CN1025632C

CN1025632C - Treatment of skins and hides

Info

Publication number: CN1025632C
Application number: CN89104031A
Authority: CN
Inventors: 科林·查尔斯·安德逊
Original assignee: Tanning Technologies Pty Ltd; Australian Meat and Live Stock Research and Development Corp
Current assignee: Tanning Technologies Pty Ltd; Australian Meat and Live Stock Research and Development Corp
Priority date: 1988-06-15
Filing date: 1989-06-15
Publication date: 1994-08-10
Anticipated expiration: 2004-06-15
Also published as: PT90876B; IL90621A0; ES2013672A6; PT90876A; NZ229510A; WO1989012698A1; IN174572B; ZA894502B; CN1040625A

Abstract

A process and apparatus for treating a hide with a fluid. The hide is stretched longitudinally and/or laterally. In one embodiment the hide passes from upstream rollers to downstream rollers (15) rotating at a higher speed to stretch the hide longitudinally. Left hand rollers and right hand rollers can be angled to the line of travel so that the hide is stretched laterally. In a second embodiment the hide is clamped between upper and lower edges and the lines of clamping are moved apart, longitudinally by separating sets of clamping means and/or laterally by arranging the lines of clamping at an acute angle alpha to the centre line and increasing that angle towards 90 DEG . Liquid is sprayed onto the underside of the hide while stretched through manifold having nozzles.

Description

Treatment of skins and hides

The present invention relates to treat fluid is used for the processing of leather and animal skin (comprising leather living or rehydration and animal skin), for convenience's sake, in this specification sheets, leather and animal skin are called animal skin without exception.

Handle at present animal skin making the method for leather or fur, or comprise to be dissolved in fluid with the fur method that operation obtains animal hair of plucking, liquid particularly, in pharmaceutical chemicals handle animal skin.Used pharmaceutical chemicals can comprise the trichogen that unhairing is used, various acids and be used to tan skin or painted other fluid.Conventional process animal skin method is animal skin to be immersed in be equipped with in the container that contains pharmaceutical chemicals liquid.In the skin process of tanning, animal skin is immersed for some time in the liquid in the container, for example reach 30 hours.The liquid that can stir in the container infiltrates in the animal skin to quicken liquid.

The characteristics that processing must be carried out in batches add the character of handling required time, and the processing that makes animal skin is for having formed uneconomic problem from the slaughterhouse that the animal of just being butchered is obtained green hide.Normally with green hide simply with salted and/or dry and with its output or be transported to away from the tan skin and the factory that plucks, the slaughterhouse only obtains meagre recompense.

Batch job causes a large amount of treatment solutions that is not used effectively, and if used liquid before discharging, do not handle further and will pollute problem.

The purpose of this invention is to provide a kind of method and apparatus that can very effectively and quite promptly handle animal skin with treat fluid.

Another object of the present invention provides a kind ofly can implement method for processing and equipment economically to more a spot of animal skin with treat fluid, for example carries out near slaughterhouse or its.

Another object of the present invention provides a kind of method and apparatus that can handle indivedual animal skins with treat fluid in fact continuously.

Method with the fluid handling animal skin provided by the present invention comprises following each step: the part of stretching animal skin so that animal skin extend towards a direction at least; And when animal skin under the state of being stretched, treat fluid is put on the part that is stretched of animal skin, so that fluid can infiltrate animal skin.

The step of this part animal skin of stretching preferably comprises along two vertical direction and stretching, to increase the surface-area of this part animal skin.The stretching of animal skin preferably is enough to open the structure of animal skin, can promote fluid to infiltrate animal skin because of finding that the animal skin structure is opened.

The step of this part animal skin of stretching can comprise that rolling over roller by the upstream side slave clip delivers to this part animal skin and roll over roller with the upstream side slave clip that the downstream side slave clip that separates is rolled over roller is right, this downstream side folder is rolled over roller to rolling over roller to high rotational speed to press from both sides than upstream side, so that it is along the working direction stretching animal skin of animal skin, the step of using treat fluid be upstream and downstream sidewinder the son between carry out.The downstream side roller follower is right to comprising the left side and the cooperation roller on right side, and left side and right side roller are in an acute angle to all being diverted with animal skin progressive bus, make animal skin through the roller that being diverted to the time, just along crossing the stretching of progressive general direction.

In another may embodiment, the step of this animal skin that stretches comprised along holding animal skin with medullary ray clamping wire clamp in an acute angle, subsequently each clamping line being moved to medullary ray and becomes 90 °, thereby animal skin is stretched along the direction of crossing medullary ray.

The present invention also provides a kind of equipment with the fluid handling animal skin, and this equipment comprises: the part of stretching animal skin is so that the stretching device that animal skin is extended at least one direction; And when animal skin under stretched state, use treat fluid and make this fluid infiltrate fluid administration device in animal skin.

In first feasible apparatus embodiments, stretching device comprises a upstream side and downstream side folder rolling set of rollers, and the rotating ratio upstream side that the downstream side folder is rolled over set of rollers presss from both sides the rotating speed height of rolling over set of rollers, so that animal skin is stretched.

The downstream side folder is rolled over set of rollers can comprise that a left side rollers is to right with a right side roller, left side and the right axis of right side roller be not on same line, and be that to have a pair of roller to be changed into animal skin progressive bus in an acute angle at least, so that can the direction of inlet wire be stretched effectively before cross during through the roller that is diverted when animal skin.The roller that is diverted can be mounted to animal skin progressive general line and become 70 ° to 87 ° angle.

In second feasible apparatus embodiments, stretching device comprises: in order at least two clamping devices at spaced position clamping animal skin, and clamping device is removed so that the animal skin tensile is removed device mutually.

Clamping device can be included in the device of several bite clamping animal skins of each side of medullary ray, bite be with the head center line in an acute angle by medullary ray on the bus that each side stretches, removing device can make clamping device move, make itself and medullary ray angulation increase to 90 °, thus and the animal skin that between the bite of medullary ray opposite side, stretches.In this embodiment, clamping device comprises upper and lower clamping end, is used for working in coordination and with the animal skin clamping be fixed between the both ends.Form a shallow V-type in the end of the head center relative both sides of line, remove device and can will be moved, make shallow V-type convergence one straight line by the clamping end that pivot props up.Clamping device can comprise several space between adjacent and the upper and lower clamping end group that matches of almost parallel, and the fluid administration device places between the adjacent clamping end group.

Equipment of the present invention can comprise further that the conveying animal skin enters the e Foerderanlage between relative clamping device.E Foerderanlage preferably comprises the handling machinery that several strands constituted that extends longitudinally by in order to carry animal skin, and when the operation stretching device, strand can be along laterally being moved, and make animal skin along cross directional stretch.In this embodiment, clamping device comprise one can with the following clamping end of animal skin bottom surface engagement, on this clamping part, preferably be provided with several breach, the strand of handling machinery passes these breach, and make when the clamping end is changed to 90 ° to total ordinate angulation of strand by an acute angle, strand can be moved away from each other.

Below, accompanying drawings feasible and preferable characteristic of the present invention:

Fig. 1 shows the stereographic map of main element of equipment of the processing animal skin of first preferred embodiment of the present invention;

Fig. 2 is the simplified plan view of the equipment of Fig. 1;

Fig. 3 shows the stereographic map of second kind of equipment of the processing animal skin of another preferred embodiment of the present invention; And

Fig. 4 is the cross section simplified plan view of the equipment of Fig. 3.

Referring to Fig. 1, the equipment with fluid handling animal skin 10 is described.This equipment comprises stretching device 11, is used for making animal skin 10 to stretch at least one direction.Fluid administration device 30 is used for imposing treat fluid when animal skin 10 under the state of being stretched, and makes this treat fluid infiltrate animal skin 10.Animal skin 10 is stretched to is enough to open the animal skin structure, just can promote and make fluid to infiltrate animal skin 10 rapidly.Stretching comprises at least in a direction and stretches at least 3%, is preferably at least 5%, and better is at least 10%.Believe that preferable stretching is less than 25%, the best is to be less than 20% stretching.

Equipment of the present invention comprises a upstream side and downstream side arrangement transporter group 12,13, and they are in order to settle animal skin 10 and to transport animal skin 10 through arranging devices 12,13.Upstream side and downstream side group the 12, the 13rd separate, and downstream side group 13 are stretched animal skin 10 to transport animal skin 10 than upstream side group 12 fast speed between upper and lower trip side group.In Fig. 1 and Fig. 2 embodiment, upstream and downstream side group 12,13 comprises that animal skin 10 rolles over set of

rollers

14,15 via therebetween the folder that matches.It is to drive to roll over set of rollers 14 fast rotating speeds than the upstream side folder that the downstream side folder is rolled over set of rollers 15.Fluid administration device 30 is to be placed in upper and lower trip side folder to roll between the roller 14,15.

Roller driving device

33,34 as shown in Figure 2.

Downstream side set of rollers 15 comprise left side folder roll over roller to 16,17 and one right side roller to 18,19.As shown in Figure 2, left side rollers to 16,17 and the right side roller to 18,19 axis conllinear not, these two pairs of rollers are all in an acute angle in updrift side with the bus 20 of advancing of animal skin 10 so that animal skin 10 through the acutangulate roller of these two couples to the time by cross directional stretch.This cross directional stretch is that the right side roller then can draw animal skin 10 to cause along the arrow B direction to 18,19 because left side rollers can be drawn animal skin 10 along the arrow A direction to 16,17.

In Fig. 1 and Fig. 2, it is right that upper and lower trip side set of

rollers

14,15 includes with preceding inlet wire 20 left side and the right side roller at angle of animal skin 10.This upstream set of rollers 14 comprise left side rollers to 21,22 and the right side roller to 23,24.

Can set up in any suitable manner and driven roller.The stringer of the

last roller

16,18 of downstream side set of rollers 15 as shown in Figure 1.This kind stringer of roller 18 comprises and sets up bar 28, and the bearing 25 at roller 18 two ends is to be erected to set up bar 28, sets up bar 28 and is supported by support arm 26 again, and the other end pivot of support arm 26 props up on the framework 27 of device.By air hammer 29 or other suitable vertical shifting device, make

roller

16,18 can be enhanced and clamp down between the upper and lower roller that matches.The

last roller

21,23 of upstream side set of rollers 14 also can set up by the same manner, but is not shown among Fig. 1 for brevity.Lower roller 17,19,22,24 can directly be erected on the other parts (not shown) of device framework 27.

As shown in the figure, lower roller 19,24 can be driven with any appropriate means by electro-motor 33,34.The speed of relative movement of

motor

33,34 optionally changes, and the velocity contrast that upper and lower trip is sidewindered between son can be according to required and change.For example, the rotating speed that the downstream side roller can be higher than upstream side roller 25% is driven, and makes when animal skin 10 and can produce to a certain degree slip through rollers, makes elongation that animal skin 10 produced in bus 20 directions of advancing for greater than 10% and less than 25%.Spacing in direction 20 between the upper and lower trip side set of

rollers

14,15 can be any suitable distance, as about 50cm.The width of roller assembly can be, for example, and 200cm.Preceding inlet wire 20 angulations of roller and animal skin 10 can be greater than 60 ° with less than 90 °, and preferably between 75 ° to 85 °, for example 80 ° more effective.This angle optionally changes, so that the operator can control the degree of animal skin 10 cross directional stretchs, other factor that influences the cross directional stretch degree is the pressure that puts between upper and lower roller, because this pressure can be controlled the animal skin mobility.Pressure variation between 200 to 600Kpa can be used.Velocity contrast between upper and lower trip side set of rollers can influence animal skin longitudinal stretching degree.

Fluid administration device 30 is placed between the upper and lower trip side set of

rollers

14,15, and this fluid administration device 30 is supplied with fluid with the form of fluid stream under pressure.This fluid comprises a kind of liquid, and this fluid stream is contacted by the ejection of below, animal skin 10 bottom surfaces and with animal skin, thereby can make excess liquid flow down and be collected below animal skin 10.Liquid application device 30 is one to be provided with the manifold 31 of several nozzles 32, being used for directly upwards spray to water liquid, and manifold 31 can be by a fluid source and a pump (not shown) via supply-pipe 31a feeding liquid.The liquid application device 30 of another pattern comprises that one is equipped with the applicator 35 of liquid as shown in phantom in Figure 2, and it can be a kind of compressible applicator 35 of porousness that treatment solution is housed.Applicator 35 can be a kind of roller form and can pressurize and upwards withstand the animal skin surface, thereby the liquid that applicator 35 is equipped with is applied on the animal skin face.Can use treatment solution economically like this.Treatment solution is spread upon the various piece of animal skin, comprise that the animal skin two sides is unnecessary, open because animal skin stretched and with the animal skin structure that animal skin is become is porous, and liquid will move through animal skin by wicking action in the mode that liquid moves through blotting paper.

Among second embodiment as shown in Figure 3 and Figure 4, stretching device 11 is included in the clamping device 40,41 of clamping animal skin 10 on the point that separates and clamping device 40,41 is relatively removed and animal skin 10 tensile are removed device 42.In Fig. 3, clamping device 40,41 separates on the general direction of the medullary ray 20 of animal skin 10, can in any appropriate manner clamping device be left in 40,41 minutes and remove device 42, and animal skin 10 is stretched along medullary ray 20 directions.

In Fig. 3 and Fig. 4, clamping device also can be along crossing medullary ray 20 direction stretching animal skins 10.For reaching this purpose, this clamping device is included in the device 45,46 of clamping animal skin 10 on several bites of medullary ray 20 both sides.Removing device 42 is to be used for making bite to be separated from each other along the direction of crossing center 20.Clamping device 45,46 comprises upper and lower clamping end 45u, 45l and 46u, 46l, and these ends can shift near from position shown in Figure 3 earlier relatively, with animal skin 10 clampings be fixed between these ends.The clamping end is with clamping animal skin 10 on several points of medullary ray 20 both sides, and the clamping line is to extend to both sides with medullary ray 20 modes in an acute angle, as shown in Figure 4 by medullary ray 20.Remove device 42 and can be used to remove clamping device 45,46, make the α angle increase to 90 °, thereby along the direction stretching animal skin 10 that crosses medullary ray 20.Particularly end 45u, 45l and 46u, 46l form a shallow V-type in the both sides of medullary ray as shown in Figure 4, remove device 42 and can make the clamping end move and make shallow V-type convergence straight line 49 along arrow C and C ' direction pivot.Use this kind device, can make near the bite of medullary ray 20 than removing more lessly, thereby can make the animal skin 10 can be quite even in horizontal stretching away from the bite of medullary ray 20.

In the embodiment of Fig. 3 and Fig. 4, clamping device comprises several adjacent and upper and lower clamping end group 45u, the 45l and 46u, the 46l etc. that work in coordination of almost parallel, and they separate along medullary ray 20 directions.Fluid administration device 30 is to be configured between the adjacent clamping end group, so when removing device 42 stretching animal skins 10, treat fluid is contacted with animal skin 10.

Comprise also that at equipment shown in Fig. 3 and Fig. 4 one carries the e Foerderanlage 50 of animal skin 10 usefulness, e Foerderanlage comprises in order to carry several the strands 51 that extend longitudinally of animal skin.In operation during stretching device, strand 51 can be along laterally removing, and make animal skin 10 along cross directional stretch.For this reason, can be by following clamping end 45l and the 46l that several breach 52 are set be provided, make the strand 51 of handling machinery pass these breach 52, and make when clamping end 45l, 46l are changed to 90 ° to total ordinate 20 angulations of strand 51 by an acute angle, strand can be moved separately.

When using the equipment of Fig. 3 and Fig. 4, can be sent to position between upper and lower clamping end 45u, the 45l etc. separated from each other at the animal skin on the handling machinery 50 10, upper and lower clamping end 45u, 45l etc. handling machinery 50 can be stopped then, so will shift near and the clamping animal skin.The clamping device group 40,41 that longitudinally separates can be removed to required degree, and animal skin 10 longitudinally is stretched.A left side and right side clamping device group 45,46 can be made sharp angle increase to 90 ° by pivot simultaneously, thus cross directional stretch animal skin 10.When animal skin 10 under stretched state, can spray and water liquid its bottom surface with animal skin 10 is contacted.

Can do suitable modification at Fig. 3 and equipment shown in Figure 4, so that the user more effectively position and the degree of control stretching.For example, in a possible embodiments, the clamping end can only be meshed with the end of animal skin, then bare terminal end portion separately and with animal skin is showed, and implements stretching in its end.Thereafter, as shown in Figure 3 and Figure 4, the clamping end can be crossed the width of whole animal skin and is meshed with animal skin along the overall length of animal skin, and this device can cross the width of whole animal skin and along the overall length stretching animal skin of animal skin.

In the drawings, show that fluid administration device 30 is for being provided with the manifold of nozzle along its length.May wish that relatively large liquid can impose on the animal skin different piece.For example, some animal skin is thicker than flank along its center, back, and therefore relatively large liquid may must impose on the central part along animal skin.For this reason, equipment of the present invention can comprise several manifolds and the nozzle that is mated, and some short manifolds can place animal skin to need the below, position of more liquid.For example in the embodiment of Fig. 3 and Fig. 4, except manifold 31, the zygomorphy that can be installed in medullary ray 20 one of is extended root or more short manifold (not shown), makes more liquid can put on the central part of animal skin 10.Liquid application device 30 also can take below animal skin move mode replace as shown in the figure in the fixed position.For example, in Fig. 3 and Fig. 4, manifold 30 can be installed on the adjustable shelf, and adjustable shelf can move by the general direction along medullary ray 20 below clamping device 40,41 etc., thereby animal skin 10 is fixed and held under the stretched state, and makes the liquid can be simultaneously along the length of animal skin from following sprinkling.

In a preferred embodiment, spray liquid in the animal skin bottom surface, but also can be sprayed top or two sides.When stretching and liquid application, animal skin can be placed in the plane of an approximate vertical, and unnecessary liquid is poured off from the lower end.

Found that trichogen liquid can only impose on animal skin effectively and have the hair face, but nobody believes and trichogen only can be imposed on this face in the past, arrive pore because hair can prevent or hinder liquid.But stretch spacing between the deployable hair, making the liquid that is sprayed can easily arrive pore also promptly begins to react, this just makes after liquid application, can carry out epilation operation and animal skin can be scraped removing hair in the short period of time, and than since soak or with liquid application in the saturated animal skin drying of animal skin inside gained many.

According to the present invention, the equipment of other stretching animal skin also can use.For example, can stretch by the end of clamping animal skin and with the mode that clamping device is moved apart.But this equipment can not be applicable to the animal skin of various different sizes as the device that the front illustrated.Another kind of spendable animal skin stretcher, center one side that can be included in roller are provided with left-handed spiral and are provided with the duplex roller of right-hand(ed)screw at its opposite side, make when animal skin through out-of-date, can be by the effect of roller the cross directional stretch animal skin.Preferably animal skin is had to a certain degree constraint, animal skin is slided to some extent, and the moving of spiral of crossing the animal skin surface just promotes cross directional stretch.

Use method and apparatus of the present invention to reduce the animal skin treatment time in fact.The time that animal skin directly is exposed to treat fluid can be less than 1 minute, but this is to change according to special status, for example according to animal skin kind (as the Mai Linuo woolfell seriously pleating and need the long time that is exposed to liquid), the chemical concentration that is applied, influence the level of stretch of liquid permeating speed, the kind of carry out handling (unhairing, the skin of tanning, dyeing etc.) and inequality.Animal skin can be stored in waits for that the station reaches 2 hours, waits for station, the fluid generation chemical action on animal skin at this.Then, animal skin can be processed further, for example, unhairing, sends out or the neutralization of cleaning or pharmaceutical chemicals etc.Fresh green hide to unhairing is sent out and the time of the required entire treatment animal skin of the skin of tanning is several hours from being obtained by the slaughterhouse.

Animal skin can be handled continuously.In Fig. 1 and Fig. 2 embodiment, the end mat staple of animal skin etc. can be linked together makes animal skin form the animal skin " sheet " of a continuous spreading, makes it can pass through roller continuously.In Fig. 3 and Fig. 4, the discrete animal skin can be placed on the handling machinery, and can one time one send into this equipment continuously.

Preferred methods of the present invention and equipment can use the processing pharmaceutical chemicals effectively, can significantly reduce by to know the caused pollution of waste water that the animal skin treatment process is discharged.

Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, any those who familiarize themselves with the technology, without departing from the spirit and scope of the present invention; when can doing a little change and modification, so protection scope of the present invention is as the criterion when looking the claim person of defining.

Claims

1, a kind of with the method for handling the fluid handling animal skin, this animal skin is to tile in one plane, this plane has longitudinal size and lateral dimension and a medullary ray that extends along its length on described longitudinal size direction, the step of this method comprises by in this animal skin is clamped in the bite, this animal skin is carried out tension, these bites comprise spaced-apart and be arranged on described medullary ray both lateral sides vis-a-vis several bites and on the longitudinal size direction spaced-apart several bites; With at described bite drawing tension is executed on animal skin; With when animal skin is in tensile state, described treat fluid is spread upon on the animal skin, the method is characterized in that:

The step of tension animal skin comprises the stretching animal skin, this animal skin is extended simultaneously at longitudinal size and two directions of lateral dimension, thereby make this animal skin be in stretched state, under described stretched state, this animal skin is extended to a program at longitudinal size and two directions of lateral dimension, be enough to make the animal skin structure to be opened and promote described treat fluid to infiltrate animal skin and the animal skin structure is opened, thereby thereby this drawing force comprises executing in longitudinal size and two directions of lateral dimension and makes animal skin stretch simultaneously and the animal skin structure is opened in described two dimensional directions, the described step that described treat fluid is spread upon on the animal skin comprises that it is all to be on the animal skin of described stretched state at least that treat fluid is spread upon this animal skin on longitudinal size and two directions of lateral dimension, thereby makes this fluid infiltrate this open animal skin structure.

2, according to the process of claim 1 wherein, several bites are to spread on the whole surface of this animal skin, thereby stretch this animal skin, and the animal skin structure on the whole described surface of animal skin is opened.

3, according to the method for claim 1 or 2, wherein smear the described step of described treat fluid, be in the step process of longitudinal size and two direction stretchings of lateral dimension animal skin, carry out simultaneously.

4, according to the method for claim 1, this animal skin tensile step wherein, comprise this animal skin is stretched at described longitudinal size and two directions of lateral dimension, its tensile elongation greater than before described stretching at 5% of the initial length of the described animal skin of described longitudinal size and two directions of lateral dimension.

5, according to the method for claim 4, this animal skin tensile step wherein, comprise this animal skin is stretched at described longitudinal size and two directions of lateral dimension, its tensile elongation greater than before described stretching at 10% of the initial length of the described animal skin of described longitudinal size and two directions of lateral dimension.

6, according to the method for claim 1, the step of this part of animal skin wherein stretches, comprise that this animal skin is driven folder by the upstream rolles over roller and drive folder with the upstream and roll over roller to spaced-apart and drive folder and roll over the downstream of the right rotational speed of roller and drive folder to roll over roller right to be higher than this upstream being transported to, animal skin is stretched along its general direction that advances, and the step of smearing this treat fluid be this upstream roller to and the downstream roller between carry out.

7, according to the method for claim 6, it is right that wherein this downstream drives folder rolling roller, the roller that matches that comprises left side and right side is right, this left side is in an acute angle to being diverted with the bus of advancing of animal skin with the right side roller, make this animal skin when be diverted through this roller to the time, draw back stretching along the direction of crossing the progressive general direction.

8, according to the method for claim 1, this animal skin tensile step wherein, comprise along holding this animal skin with head center line clamping wire clamp in an acute angle, then each clamping line being moved to respectively with medullary ray becoming 90 °, thereby along the direction of crossing medullary ray this animal skin that stretches.

9,, be included under the pressure fluid guided to animal skin and contact according to the process of claim 1 wherein that this smears the step of treat fluid.

10, according to the method for claim 9, wherein this fluid comprises a kind of liquid, and the step of this fluid guiding comprises by animal skin bottom surface guiding liquids, and excess liquid can be flowed down below animal skin and be collected.

11, according to the process of claim 1 wherein that this fluid comprises a kind of liquid, and the smearing step of this treatment liq comprises that the surface and that makes this animal skin is equipped with the applicator of liquid and contacts.

12, according to the method for claim 11, wherein this applicator that liquid is housed comprises a kind of compressible applicator of porous that this liquid is housed, this applicator is faced toward this animal skin surface compression under pressure, and makes applicator that the liquid that it was equipped with is applied to the animal skin surface.

13, with the equipment of handling the liquid treatment animal skin, this animal skin is to tile in one plane, this plane has longitudinal size and lateral dimension and a medullary ray that extends along its length on described longitudinal size direction, this equipment comprises the tension device, be used for pulling force is executed on animal skin, this tension device comprises clamping device, animal skin is clamped on several bites, these bites comprise several bites of both lateral sides vis-a-vis spaced-apart and that be arranged on described medullary ray and spaced-apart several bites on the longitudinal size direction, described tension device also comprises executes device on animal skin with pulling force at described bite, this pulling force comprises the power of executing in longitudinal size and two directions of lateral dimension, and fluid application device, when animal skin is under the tensile state, be used for described treat fluid is spread upon on the described animal skin, this equipment is characterised in that:

Described tension device comprises stretching device, be used for the animal skin that stretches, this animal skin is extended simultaneously at longitudinal size and two directions of lateral dimension, thereby make this animal skin be in stretched state, under described stretched state, this animal skin extends to a degree at longitudinal size and two directions of lateral dimension, be enough to make the animal skin structure to be opened and promote described treat fluid to infiltrate animal skin and the animal skin structure is opened, described treat fluid can be spread upon this animal skin with described fluid application device is all to be on the animal skin of described stretched state at longitudinal size and two directions of lateral dimension at least, thereby makes this fluid infiltrate this open animal skin structure.

14, according to the equipment of claim 13, wherein said several bites are to spread on the whole surface of this animal skin, thereby stretch this animal skin, and the animal skin structure on the whole described surface of animal skin is opened.

15, according to the equipment of claim 13, wherein said fluid application device, with described treat fluid, with described stretching device in longitudinal size and two directions of lateral dimension stretch the procedure of this animal skin, spread upon simultaneously on this animal skin.

16, equipment according to claim 13, wherein said stretching device comprises the folder that the matches rolling roller of one group of upstream, animal skin passes through between this roller, roll over roller with the folder that matches in one group of downstream, animal skin passes through between this roller, set of rollers rolled over by this upstream folder and downstream folder rolling set of rollers is separated certain distance in the longitudinal size direction of animal skin, this animal skin can be rolled in the roller at two groups of folders simultaneously, this downstream folder is rolled over set of rollers and is driven under the speed that is higher than this upstream folder rolling set of rollers, thereby when this animal skin passes through them, this animal skin promptly is stretched in the longitudinal size direction owing to speed difference, described downstream folder is rolled over set of rollers and is comprised that downstream, a pair of left side folder is rolled over roller and downstream, a pair of right side folder is rolled over roller, this left side and downstream, right side folder are rolled over roller, and right axle is a non-colinear, the axis that described downstream presss from both sides at least one pair of folder rolling roller of rolling over roller centered is diverted in an acute angle with the direction of the preceding inlet wire of rolling over set of rollers from downstream folder rolling set of rollers to the upstream folder, thereby when this animal skin is rolled over roller by the downstream folder, at lateral dimension direction this animal skin that stretches, described fluid application device, roll between the set of rollers at the upstream and downstream folder, when this animal skin is rolled over set of rollers by this upstream and downstream folder, in the place that this animal skin is stretched, described treat fluid is spread upon on this animal skin.

17, according to the equipment of claim 16, wherein left side and downstream, right side folder rolling roller is right, and the longitudinal size direction that is installed into respectively with animal skin is 70 ° and 85 °.

18, equipment according to claim 13, wherein said clamping device comprises at least two hold assemblies that animal skin are clamped in several bites, these bites are included in the spaced-apart point of animal skin longitudinal size direction and at the spaced-apart point of animal skin lateral dimension direction, this stretching device also comprises removes device, be used for hold assembly is relatively removed at longitudinal size and two directions of lateral dimension, by moving of hold assembly, increased distance at the spaced-apart bite of longitudinal size direction, thereby cause the stretching of animal skin in the longitudinal size direction, by moving of hold assembly, also increased distance, thereby caused stretching in the lateral dimension direction at the spaced-apart bite of lateral dimension direction.

19, according to the equipment of claim 18, the part in wherein said several bites,, is removed degree that device removes relatively and is less than bite away from medullary ray by described and near those bites of medullary ray more near medullary ray than other bites.

20, according to the equipment of claim 19, wherein at several bites of medullary ray both sides, extending from alignment both sides, center with the acutangulate direction of head center's line respectively, this hold assembly can be removed device and remove, make the angle with medullary ray increase to 90 °, thereby make animal skin between the bite of the both sides vis-a-vis of medullary ray, at lateral dimension direction stretching animal skin.

21, according to the equipment of claim 20, wherein this hold assembly comprises clamping end up and down, can work in coordination and animal skin is clamped in up and down between the clamping end, in each of the both sides that face toward mutually of head center's line adjacent end portion has been formed a shallow V-type, this is removed device and can utilize pivot to move mobile clamping end and make shallow V-type convergence straight line.

22, according to the equipment of claim 21, wherein this hold assembly comprise several adjacent spaced-apart roughly be the clamping end group of the parallel upstream and downstream that matches, this fluid application device is mounted between the adjacent clamping end group.

23, according to the equipment of claim 18, also comprise e Foerderanlage, in order to animal skin being delivered to stretching and the processing section that described stretching device and described fluid application device are provided, this e Foerderanlage also can stretch and processing section is transported out animal skin after animal skin is handled by this stretching and processing section.

24, according to the equipment of claim 23, wherein said e Foerderanlage comprises that one is provided with several the handling machinerys along the strand of described longitudinal size direction extension that transport animal skin, when stretching device is operated, this strand can stretch animal skin in the lateral dimension direction along laterally removing.

25, according to the equipment of claim 24, wherein this hold assembly comprises and can hold in the mouth the following clamping end of closing with the animal skin bottom surface, this clamping end is provided with several breach, the strand of this handling machinery passes these breach, and making angle that the total ordinate when clamping end and strand forms when an acute angle changes to 90 ° of angles, these strands can be removed.