阅读说明：本技术 一种基于皮毛一体的长毛皮料印染装置 (Long fur material printing and dyeing device based on fur is integrative ) 是由 闻平 于 2020-07-22 设计创作，主要内容包括：本发明提供一种基于皮毛一体的长毛皮料印染装置,包括底部支撑板、顶部支撑板、若干个架高撑杆、用于将长毛皮料展开并悬空挂置加热的悬挂加热机构和用于对长毛皮料进行印染的伸入式活动蒸染机构,所述底部支撑板的表面固定连接有若干个架高撑杆,所述架高撑杆的顶端固定连接有顶部支撑板,涉及毛皮加工领域。该基于皮毛一体的长毛皮料印染装置根据现有长毛皮印染存在的能耗和低效的问题,设计出无需浸染的且工序较少的可以均匀印染毛皮的装置,从而有效的解决了一般的皮毛一体的长毛皮料染色过程中,工艺流程较多,效率较低,而且印染过程中染料浪费现象较为严重,能耗较高,在一定程度上影响了生产效率的问题。(The invention provides a fur-integration-based long fur material printing and dyeing device which comprises a bottom supporting plate, a top supporting plate, a plurality of elevated support rods, a suspension heating mechanism for unfolding, suspending and heating long fur materials and an extension-type movable steaming and dyeing mechanism for printing and dyeing the long fur materials, wherein the surface of the bottom supporting plate is fixedly connected with the elevated support rods, and the top ends of the elevated support rods are fixedly connected with the top supporting plate. This long fur material printing and dyeing device based on fur is integrative designs the device that need not to dip-dye and the less fur of process that can evenly print and dye according to energy consumption and the inefficiency problem that current long fur printing and dyeing exists to effectual general fur integrative long fur material dyeing in-process of having solved, the process flow is more, and efficiency is lower, and the extravagant phenomenon of printing and dyeing in-process dyestuff is comparatively serious moreover, and the energy consumption is higher, has influenced production efficiency's problem to a certain extent.)

1. The utility model provides a long fur material printing device based on fur is integrative, includes bottom sprag board (1), top sprag board (2), a plurality of and erects vaulting pole (3), be used for launching long fur material and unsettled hanging heating mechanism (4) of putting the heating and be used for steaming and dyeing mechanism (5) to the formula activity of stretching into that long fur material printed and dyed, its characterized in that: the fixed surface of bottom sprag board (1) is connected with a plurality of and erects high vaulting pole (3), the top fixedly connected with top sprag board (2) of the high vaulting pole (3) of frame, hang heating mechanism (4) and set up on top sprag board (2) and high vaulting pole (3), stretch into the activity and evaporate and dye mechanism (5) and set up on bottom sprag board (1).

2. The fur-integrated fur material printing and dyeing apparatus according to claim 1, characterized in that: the suspension heating mechanism (4) comprises a fixed adjusting frame (41), a steam input pipe (42), a steam concentration hollow plate (43) and a plurality of pairs of supporting leather rods (44), the fixed adjusting frame (41) is fixedly connected on the elevated supporting rod (3), the surface of the fixed adjusting frame (41) is provided with an adjusting groove (45), the inner wall of the adjusting groove (45) is connected with a plurality of pairs of skin supporting rods (44) in a sliding way, an adjusting pipe (46) is arranged between the two skin supporting rods (44) of each pair of skin supporting rods (44), one end of the adjusting pipe (46) is fixedly connected with the surface of one of the supporting leather rods (44), the inner wall of the adjusting pipe (46) is connected with an adjusting rod (47) in a sliding way, one end of the adjusting rod (47) is fixedly connected with the surface of the other leather supporting rod (44), the surface of the adjusting pipe (46) is connected with an adjusting bolt (48) in a threaded manner.

3. The fur-integrated fur material printing and dyeing apparatus according to claim 2, characterized in that: each threaded sliding groove (49) is formed in the bottom of the skin supporting rod (44), a supporting block (410) is connected to the inner wall of the threaded sliding groove (49) in a threaded mode, an internal thread is arranged on the inner wall of the threaded sliding groove (49), external threads matched with the internal thread are arranged on two opposite faces of the supporting block (410), a penetrating needle (411) is fixedly connected to the bottom of the supporting block (410), and three hook skin barbs (412) are hinged to the surface of the penetrating needle (411).

4. The fur-integrated fur material printing and dyeing apparatus according to claim 3, characterized in that: the steam concentration hollow plate (43) is fixedly connected to the lower surface of the top support plate (2), the steam input pipe (42) is sleeved on the top support plate (2), one end of the steam input pipe (42) penetrates through the top support plate (2) and the steam concentration hollow plate (43) and extends to the inside of the steam concentration hollow plate (43), the lower surface of the steam concentration hollow plate (43) is fixedly connected with a track rod (413), the surface of the track rod (413) is slidably connected with a sliding ring (414), the surface of the sliding ring (414) is fixedly connected with an electric telescopic rod (415), the bottom of the electric telescopic rod (415) is fixedly connected with an ironing hollow plate (416), the surface of the ironing hollow plate (416) is sleeved with a corrugated gas conveying hose (417), and one end of the corrugated gas conveying hose (417) penetrates through and extends to the inside of the steam concentration hollow plate (43), the bottom of the ironing hollow plate (416) is provided with a plurality of steam output holes (418).

5. The fur-integrated fur material printing and dyeing apparatus according to claim 4, characterized in that: the stretching-in type movable steaming and dyeing mechanism (5) comprises a dye frame (51), a plurality of stretching-in printing and dyeing pipes (52), an electric heating plate (53), a motor (54) and a movable frame (55), wherein the bottom of the dye frame (51) is fixedly connected with the movable frame (55), the lower surface of the dye frame (51) is provided with four supporting legs (56), one ends of the four supporting legs (56) are fixedly connected with the surface of a bottom supporting plate (1), steel balls are arranged at the tops of the supporting legs (56), the steel balls are connected with the lower surface of the dye frame (51) in a sliding manner, movable shaking springs (57) are fixedly connected with the surfaces of the four supporting legs (56), one ends of the four movable shaking springs (57) are fixedly connected with four inner vertex angles of the movable frame (55) respectively, the motor (54) is fixedly installed on the bottom supporting plate (1), and an output shaft (58) of the motor (54) is fixedly connected with a rotating shaft through, the fixed surface of pivot (58) is connected with rotatory flexible pipe (59), the inner wall sliding connection of rotatory flexible pipe (59) has rotatory telescopic link (510), the fixed surface of rotatory telescopic link (510) is connected with reset spring (511), the one end of reset spring (511) and the inner wall fixed connection of rotatory flexible pipe (59), the lower fixed surface of dye frame (51) is connected with and promotes piece (512), the surface of rotatory telescopic link (510) and the surface sliding connection who promotes piece (512).

6. The fur-integrated fur material printing and dyeing apparatus according to claim 5, characterized in that: the surface that stretches into printing and dyeing pipe (52) is the tower shape, the surface that stretches into printing and dyeing pipe (52) is thick form under thin, the inside that stretches into printing and dyeing pipe (52) is hollow form, the bottom fixedly connected with four metal heat conduction poles (513) that stretch into printing and dyeing pipe (52), the surface of metal heat conduction pole (513) and the interior diapire fixed connection of dyestuff frame (51), stretch into printing and dyeing pipe (52) and be located the below of propping leather clothing pole (44), the open inside that is located fixed adjustment frame (41) in top of dyestuff frame (51).

7. The fur-integrated fur material printing and dyeing apparatus according to claim 6, characterized in that: the dye box is characterized in that a heating groove (514) is formed in the bottom plate of the dye frame (51), an electric heating plate (53) is fixedly mounted on the inner wall of the heating groove (514), an electric switch (515) is fixedly mounted on the surface of the fixed adjusting frame (41), and the output end of the electric switch (515) is electrically connected with the input end of the electric heating plate (53).

Technical Field

The invention relates to the technical field of fur processing, in particular to a fur integrated long fur material printing and dyeing device.

Background

The fur is taken off together with the animal fur as the name implies, the treatment mode ensures that the fur is softer, breathable and good in heat preservation effect, in the fur processing process, sometimes the fur needs to be dyed by customers for the fur color, the current dyeing mode mainly comprises transmission belt spraying and dip dyeing in dye at 95 ℃, the spraying processing mode has little efficiency, but when the animal fur is longer and denser, the processing mode is difficult to use, because the sprayed dye is difficult to enter the hair, however, the fur needs to be directly placed in a container for complete dip dyeing in the dip dyeing mode, the dip dyeing mode is a common dyeing mode, and the color needs are carried out on the basis of the method, for example, the fur with gradually changed color needs to be processed and dip dyeing is needed, add chemical material and carry out the processing that fades, the mode of dip-dyeing, though can be comprehensive dye the fur, but the skin also can be dyed, it needs to increase a plurality of process flows to fade, prolong process time, lead to inefficiency, and this kind of mode can cause the waste of a large amount of dyestuff, especially the dyestuff of dip-dyeing in-process fur tow band, the waste that leads to when the sunning, general integrative long fur material dyeing in-process of fur, process flow is more, lower efficiency, and the extravagant phenomenon of dyeing in-process dyestuff is comparatively serious, the energy consumption is higher, production efficiency has been influenced to a certain extent, so need a long fur material printing and dyeing device based on the fur is integrative.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a fur-integrated long fur material printing and dyeing device, which solves the problems that the process flow is more, the efficiency is lower, the dye waste phenomenon is more serious in the printing and dyeing process, the energy consumption is higher and the production efficiency is influenced to a certain extent in the dyeing process of the common fur-integrated long fur material.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a long fur material printing device based on fur is integrative, includes bottom sprag board, top sprag board, a plurality of elevating vaulting pole, is used for expandes long fur material and unsettled hanging put the heating hang heating mechanism and be used for carrying out the formula of stretching into activity steaming and dyeing mechanism that prints and dyes to long fur material, bottom sprag board's fixed surface is connected with a plurality of elevating vaulting pole, the top fixedly connected with top sprag board of elevating vaulting pole, hang the setting of heating mechanism on top sprag board and elevating vaulting pole, stretch into formula activity steaming and dyeing mechanism and set up in bottom sprag board.

Preferably, hang heating mechanism and concentrate hollow slab and a plurality of to propping the skin pole including fixed regulating frame, steam input tube, steam, fixed regulating frame fixed connection is on elevating the pole, the adjustment tank has been seted up on the surface of fixed regulating frame, the inner wall sliding connection of adjustment tank has a plurality ofly to propping the skin pole, is provided with the control tube between two to propping the skin pole of propping the skin pole, the one end of control tube and one of them fixed surface who props the skin pole are connected, the inner wall sliding connection of control tube has the regulation pole, the one end of adjusting the pole is connected with the fixed surface of another propping the skin pole, the surface threaded connection of control tube has adjusting bolt.

Preferably, each threaded sliding groove is formed in the bottom of the skin supporting rod, a supporting block is connected to the inner wall of each threaded sliding groove in a threaded mode, an internal thread is arranged on the inner wall of each threaded sliding groove, external threads matched with the internal thread are arranged on two opposite faces of the supporting block, a threading needle is fixedly connected to the bottom of the supporting block, and three skin hooking barbs are hinged to the surface of the threading needle.

Preferably, the steam centralized hollow plate is fixedly connected to the lower surface of the top support plate, the steam input pipe is sleeved on the top support plate, one end of the steam input pipe penetrates through the top support plate and the steam centralized hollow plate and extends to the inside of the steam centralized hollow plate, the lower surface of the steam centralized hollow plate is fixedly connected with a track rod, the surface of the track rod is connected with a sliding ring in a sliding manner, the surface of the sliding ring is fixedly connected with an electric telescopic rod, the bottom of the electric telescopic rod is fixedly connected with an ironing hollow plate, the surface of the ironing hollow plate is sleeved with a corrugated gas hose, one end of the corrugated gas hose penetrates through and extends to the inside of the steam centralized hollow plate, and the bottom of the ironing hollow plate is provided with a plurality of steam output holes.

Preferably, the stretching-in type movable steaming and dyeing mechanism comprises a dye frame, a plurality of stretching-in dyeing tubes, an electric heating plate, a motor and a movable frame, wherein the bottom of the dye frame is fixedly connected with the movable frame, the lower surface of the dye frame is provided with four supporting legs, one ends of the four supporting legs are fixedly connected with the surface of a bottom supporting plate, steel balls are arranged at the tops of the supporting legs and are connected with the lower surface of the dye frame in a sliding manner, movable shaking springs are fixedly connected with the surfaces of the four supporting legs, one ends of the four movable shaking springs are respectively fixedly connected with four inner vertex angles of the movable frame, the motor is fixedly arranged on the bottom supporting plate, an output shaft of the motor is fixedly connected with a rotating shaft through a coupler, the surface of the rotating shaft is fixedly connected with a rotating telescopic tube, the inner wall of the rotating telescopic tube is connected with a rotating telescopic rod in a, one end of the reset spring is fixedly connected with the inner wall of the rotary telescopic pipe, the lower surface of the dye frame is fixedly connected with a pushing block, and the surface of the rotary telescopic pipe is connected with the surface of the pushing block in a sliding mode.

Preferably, the surface that stretches into the printing and dyeing pipe is the tower shape, the surface that stretches into the printing and dyeing pipe is thick form from top to bottom, the inside that stretches into the printing and dyeing pipe is hollow form, the bottom fixedly connected with four metal heat conduction poles that stretch into the printing and dyeing pipe, the surface of metal heat conduction pole and the interior diapire fixed connection of dyestuff frame, stretch into the below that the printing and dyeing pipe is located the leather supporting rod, the uncovered inside that is located the fixed regulation frame in top of dyestuff frame.

Preferably, a heating groove is formed in a bottom plate of the dye frame, an electric heating plate is fixedly mounted on the inner wall of the heating groove, an electric switch is fixedly mounted on the surface of the fixed adjusting frame, and the output end of the electric switch is electrically connected with the input end of the electric heating plate.

(III) advantageous effects

(1) According to the invention, the long fur material is suspended and ironed by arranging the suspension heating mechanism, so that steam permeates to the fur surface on the back surface of the fur, the fur of the long fur material is humidified and inversely hung, the steam is retained in the fur for continuous heat preservation, and the steam plays a role in diffusing fuel, so that the high-temperature requirement of printing and dyeing can be met, the fuel in the fur can be uniformly faintly dyed, and the uniform printing and dyeing is convenient.

(2) According to the invention, the stretching-in type movable steaming and dyeing mechanism is arranged, the heat conduction structure is utilized to quickly gather heat in a narrow space, dye liquid is promoted to evaporate in the narrow heat gathering space and is quickly sprayed into the inner part of the long wool under the action of air pressure, dye steam is combined with steam generated by the suspended heating mechanism to dye and dye deep wool in the wool, the long wool directly falls into the dye water to be dyed and dyed, and the whole process enables the dyeing and dyeing to be carried out from outside.

(3) The dyeing frame can be shaken when in printing and dyeing by arranging the structures of the motor, the movable frame and the like, and the shaken movable frame can comb the fur by extending into the printing and dyeing pipe, so that the combination and the circulation of water vapor and fuel steam in the fur are convenient, and on the other hand, the fuel in the dyeing frame can be always in a movable state, and the uniformity of the fuel is ensured.

(4) According to the invention, the device which does not need dip dyeing and has fewer processes and can uniformly print and dye the fur is designed according to the problems of energy consumption and low efficiency of the existing long fur printing and dyeing, so that the problems of more process flows, lower efficiency, more serious dye waste phenomenon in the printing and dyeing process, higher energy consumption and influence on the production efficiency to a certain extent in the general fur-integrated long fur dyeing process are effectively solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the fixing and adjusting frame of the present invention;

FIG. 3 is a cross-sectional view of a rotary telescoping tube arrangement of the present invention;

FIG. 4 is a bottom view of the steam concentrating hollow plate construction of the present invention;

FIG. 5 is a bottom view of the skin-supporting bar structure of the present invention;

figure 6 is a bottom view of the ironing hollow board structure of the invention.

Wherein, 1 bottom support plate, 2 top support plate, 3 elevated support rods, 4 suspended heating mechanisms, 41 fixed adjusting frames, 42 steam input pipes, 43 steam concentrated hollow plates, 44 skin supporting rods, 45 adjusting grooves, 46 adjusting pipes, 47 adjusting rods, 48 adjusting bolts, 49 threaded sliding grooves, 410 supporting blocks, 411 threading needles, 412 skin hooking barbs, 413 track rods, 414 sliding rings, 415 electric telescopic rods, 416 ironing hollow plates, 417 corrugated gas conveying hoses, 418 steam output holes, 5 extending type movable steaming and dyeing mechanisms, 51 dyeing frames, 52 extending printing and dyeing pipes, 53 electric heating plates, 54 motors, 55 movable frames, 56 supporting legs, 57 movable shaking springs, 58 rotating shafts, 59 rotating telescopic pipes, 510 rotating telescopic rods, 511 reset springs, 512 pushing blocks, 513 metal heat conducting rods, 514 heating grooves and 515 electric switches.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, an embodiment of the present invention provides a fur-integration-based long fur material printing and dyeing apparatus, including a bottom support plate 1, a top support plate 2, a plurality of elevated support rods 3, a suspension heating mechanism 4 for expanding, suspending, heating long fur material, and an insertion-type movable steaming and dyeing mechanism 5 for printing and dyeing long fur material, wherein the surface of the bottom support plate 1 is fixedly connected with the plurality of elevated support rods 3, the top end of the elevated support rods 3 is fixedly connected with the top support plate 2, the suspension heating mechanism 4 is disposed on the top support plate 2 and the elevated support rods 3, and the insertion-type movable steaming and dyeing mechanism 5 is disposed on the bottom support plate 1.

The suspension heating mechanism 4 comprises a fixed adjusting frame 41, a steam input pipe 42, a steam centralized hollow plate 43 and a plurality of pairs of skin supporting rods 44, the fixed adjusting frame 41 is fixedly connected to the elevated supporting rods 3, the surface of the fixed adjusting frame 41 is provided with an adjusting groove 45, the inner wall of the adjusting groove 45 is slidably connected with the plurality of pairs of skin supporting rods 44, an adjusting pipe 46 is arranged between the two skin supporting rods 44 of each pair of skin supporting rods 44, one end of the adjusting pipe 46 is fixedly connected with the surface of one of the skin supporting rods 44, the inner wall of the adjusting pipe 46 is slidably connected with an adjusting rod 47, one end of the adjusting rod 47 is fixedly connected with the surface of the other skin supporting rod 44, the surface of the adjusting pipe 46 is in threaded connection with an adjusting bolt 48, the bottom of each skin supporting rod 44 is provided with a threaded sliding groove 49, the inner wall of the threaded sliding groove 49 is in threaded connection with a supporting block 410, the inner wall of the threaded sliding groove 49 is provided with internal threads, the bottom fixedly connected with of supporting shoe 410 wears to draw needle 411, the surface of wearing to draw needle 411 articulates there is three hook skin barb 412, hollow plate 43 fixed connection is concentrated at the lower surface of top support plate 2 to steam, steam input tube 42 cup joints on top support plate 2, the one end of steam input tube 42 runs through top support plate 2 and steam and concentrates hollow plate 43 and extend to the inside of steam and concentrate hollow plate 43, the lower fixed surface of steam and concentrate hollow plate 43 is connected with track pole 413, the surperficial sliding connection of track pole 413 has slip ring 414, the fixed surface of slip ring 414 is connected with electric telescopic handle 415, the bottom fixedly connected with of electric telescopic handle 415 irones hollow plate 416, the surface of ironing hollow plate 416 is cup jointed with ripple gas transmission hose 417, the one end of ripple gas transmission hose 417 runs through and extends to the inside of steam and concentrates hollow plate 43, a plurality of steam delivery outlet 418 has been seted up to the bottom of ironing hollow plate.

The stretching-in type movable steaming and dyeing mechanism 5 comprises a dye frame 51, a plurality of stretching-in dyeing tubes 52, an electric heating plate 53, a motor 54 and a movable frame 55, wherein the bottom of the dye frame 51 is fixedly connected with the movable frame 55, the lower surface of the dye frame 51 is provided with four supporting legs 56, one ends of the four supporting legs 56 are fixedly connected with the surface of a bottom supporting plate 1, the tops of the supporting legs 56 are provided with steel balls which are slidably connected with the lower surface of the dye frame 51, the surfaces of the four supporting legs 56 are fixedly connected with movable shaking springs 57, one ends of the four movable shaking springs 57 are respectively fixedly connected with four inner vertex angles of the movable frame 55, the motor 54 is fixedly arranged on the bottom supporting plate 1, an output shaft of the motor 54 is fixedly connected with a rotating shaft 58 through a coupler, the surface of the rotating shaft 58 is fixedly connected with a rotating telescopic tube 59, the inner wall of the rotating telescopic tube, one end of a return spring 511 is fixedly connected with the inner wall of the rotary telescopic pipe 59, the lower surface of the dye frame 51 is fixedly connected with a pushing block 512, the surface of the rotary telescopic rod 510 is connected with the surface of the pushing block 512 in a sliding manner, the surface of the printing and dyeing pipe 52 is in a tower shape, the surface of the printing and dyeing pipe 52 is in a thin and thick shape, the inside of the printing and dyeing pipe 52 is in a hollow shape, the bottom of the printing and dyeing pipe 52 is fixedly connected with four metal heat conducting rods 513, the surface of each metal heat conducting rod 513 is fixedly connected with the inner bottom wall of the dye frame 51, the printing and dyeing pipe 52 is located below the supporting leather rod 44, the top opening of the dye frame 51 is located inside the fixed adjusting frame 41, a heating groove 514 is formed in the bottom plate of the dye frame 51, an electric heating plate 53 is fixedly installed on the inner wall of the heating groove 514, an electric switch 515 is fixedly installed on the surface of the fixed adjusting frame.

When in use, the power supply is connected, the motor 54 is started, the electric switch 515 is switched on, the electric heating plate 53 heats the dye, the threading needle 411 penetrates through the edge of the long fur material, the skin hooking barb 412 also penetrates through the long fur material and hooks the long fur material, then on the two leather supporting rods 44, the supporting block 410 moves in the threaded chute 49 to pull and straighten the long fur material, the hairy side of the long fur material faces downwards, the supporting block 410 is fixedly connected with the threaded chute 49 in a threaded manner, the electric telescopic rod 415 is moved to move the ironing hollow plate 416 above the long fur material, then the ironing hollow plate 416 is close to the long fur material through the electric telescopic rod 415, the external steam generating device or other devices generating steam input the steam into the steam concentration hollow plate 43 through the steam input pipe 42 and then enters the ironing hollow plate 416 through the corrugated air hose 417, after being sprayed to the long fur material through the respective steam output holes 418, the steam permeates the fur of the long fur material to be collected in the fur on the fur-bearing side, the long fur portion enters the dye inside the dye 51, the metal heat conduction rod 513 collects heat, the dyestuff that stretches into printing and dyeing pipe 52 inside receives the high temperature influence in narrow and small space and heats up the evaporation fast, it increases to stretch into printing and dyeing pipe 52 internal pressure, the dyestuff steam that stretches into printing and dyeing pipe 52 inside sprays and enters into the hair of long fur material through the top that stretches into printing and dyeing pipe 52, motor 54 drives rotatory flexible pipe 59 through pivot 58 and rotates here, rotatory flexible pipe 59 drives rotatory telescopic link 510 and rotates, rotatory telescopic link 510 contacts to push the piece 512 and can push and push the piece 512 and make whole dyestuff frame 51 take place to remove, dyestuff frame 51 drives each and stretches into printing and dyeing pipe 52 and remove and makes and stretch into printing and dyeing pipe 52 and can stir the mao method and can promote the inside dyestuff of dyestuff frame 51 to stir.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.