CN101235559B - Method for producing leather fibre cotton and leather flocking machine - Google Patents
Method for producing leather fibre cotton and leather flocking machine Download PDFInfo
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- CN101235559B CN101235559B CN2008100600221A CN200810060022A CN101235559B CN 101235559 B CN101235559 B CN 101235559B CN 2008100600221 A CN2008100600221 A CN 2008100600221A CN 200810060022 A CN200810060022 A CN 200810060022A CN 101235559 B CN101235559 B CN 101235559B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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Abstract
A manufacturing method of dermal fiber cotton comprises the following steps: soaking the leftover material of the leather in water to fully swell the leftover material; (b) dewatering with a centrifugal dewatering machine; (c) hammering the leather fiber into flocculent leather fiber clusters by a leather flocking machine, and then loosening the flocculent leather fiber clusters into leather fiber cotton by a needle roller loosening device; (d) and (5) drying. The leather flocking machine comprises a shell, a main shaft (1), a hammer frame (2), a hammer sheet (7), a base (9), a motor and a transmission mechanism. The whole inner wall of the cylindrical surface of the shell is distributed with tooth-shaped convex strips (5), the lower part of the cylindrical surface is provided with a plurality of water drainage holes (10) and a discharge hole, and the discharge hole is provided with a discharge door (11) which can be opened and closed. The method firstly separates the fibers by hammering after the leather is swelled and then uses the mechanical needle roller to open, so the processing time is greatly shortened, the pulling force to the fibers is small during the mechanical opening, the damage is much smaller, and the high-quality dermal fiber floss can be obtained.
Description
Technical field
The present invention relates to a kind of technology of utilizing of corium leftover pieces, a kind of manufacture method of corium fabric silk floss and be exclusively used in the corium of making the corium fabric silk floss and make the suede machine.
Background technology
The corium leftover pieces are the discarded objects that produce during leather and fur products is produced, and people are all in the method for exploring how in addition regeneration.Chinese patent 200510007524.4 " processing technology of corium fabric suede and products thereof " has been introduced a kind of processing method of corium fabric suede, the corium leftover pieces are added entry, bleeding agent, white lime, softening treasured and sulphur ammonia, in rotary drum equipment, carry out along contrary rotation napping, oven dry, the fluffy corium fabric product that becomes again.The method is owing to mainly be to rely on the rotation of rotary drum equipment to carry out napping, and during special charges, a production cycle needs 77～97 hours approximately.The method of introducing in the Chinese patent 200410051407.3 " a kind of Animal Skin yarn and production method thereof " of leather being made fiber is: earlier with the leather swelling, the licker-in with the rotation of the high speed in the mechanical fiber-opening apparatus becomes fiber with the leather shredding again.Leather fiber is broken too much in this method, influences quality of fiber.
Summary of the invention
The present invention is intended to propose a kind of corium that is exclusively used in processing corium fabric silk floss and makes the suede machine; Another object of the present invention is to economize, quality of fiber is influenced the manufacture method of also less corium fabric silk floss the time that proposes a kind of processing.
This corium that is exclusively used in processing corium fabric silk floss is made the suede machine and is comprised housing, main shaft, hammer carrier, hammer leaf, pedestal, motor and transmission mechanism.Housing comprises a cylindrical shape face and two sides, and the bottom and the pedestal of the cylindrical shape face of housing fix, and a charge door is arranged at the top of cylindrical shape face.Main shaft is installed in the center of two sides of housing by bearing, and an end of main shaft links to each other with the axle of motor by transmission mechanism.Hammer carrier is fixed on the interior main shaft of housing, and hammer leaf is evenly distributed on the circumference of hammer carrier, and the afterbody of hammer leaf and the edge of hammer carrier are hinged, and the front end of hammer leaf has the head of a capitate.The raised line of the profile of tooth that distributing on the whole inwall of the cylindrical shape face of housing, several spilled water holes are arranged at the bottom of cylindrical shape face, and the bottom of cylindrical shape face also has a discharging opening, and an able to turn on or off discharge door is arranged on this discharging opening.
The manufacture method of this corium fabric silk floss comprises the steps: that (a) is placed on the leftover pieces of leather to soak in the water makes its abundant swelling; (b) the leather leftover pieces after will soaking are placed in the centrifugal dehydrator and dewater; (c) the leather leftover pieces after will dewatering are made the suede machine with foregoing corium and are hammered into cotton-shaped corium fabric group, and then draw pine to become the corium fabric silk floss corium fabric group with the porcupine roller fibre-opening unit having, the process that corium is made the hammering of suede machine is divided and is carried out each hammering 5～30 minutes for 3～6 times; (d) with the continuous oven dry of the corium fabric of gained.
The manufacture method of this corium fabric silk floss, owing to after the leather swelling, adopt the method for hammering to make the fiber in the leather disconnected from each other earlier, become cotton-shaped fibrous mass, and then become the corium fabric silk floss with the porcupine roller shredding, thereby the time of not only processing shortens dramatically, the power of pullling required during the porcupine roller shredding is also less, and is also just much smaller to the damage of fiber, can obtain high-quality corium fabric silk floss.
Description of drawings
Accompanying drawing 1 is first kind of flow chart of the manufacture method of corium fabric silk floss;
Accompanying drawing 2 is second kind of flow chart of the manufacture method of corium fabric silk floss;
Accompanying drawing 3 is made the structure chart of suede machine for corium;
Accompanying drawing 4 is made the application schematic diagram of suede machine for corium;
Accompanying drawing 5 is the schematic diagram of fibre-opening unit having.
The specific embodiment
As shown in Figure 1, the step of manufacturing of this corium fabric silk floss is as follows: (a) leftover pieces of leather are placed on to soak in the water and make its abundant swelling; (b) the leather leftover pieces after will soaking are placed in the centrifugal dehydrator and dewater; (c) the leather leftover pieces after will dewatering are made the suede machine with corium and are hammered into cotton-shaped corium fabric group, and then draw pine to become the corium fabric silk floss corium fabric group with the porcupine roller fibre-opening unit having; (d) with the continuous oven dry of the corium fabric of gained.
The process of making the hammering of suede machine with corium in above-mentioned (c) step can be carried out several times, generally can divide and carry out for 3～6 times, each hammering 5～30 minutes, along with the fiber in the corium leftover pieces is disconnected from each other, the strength of each time hammering also should progressively reduce, and can realize by rotating speed that reduces main shaft or the weight that subtracts the change hammer leaf.
As shown in Figure 2, in the manufacture method of this corium fabric silk floss, after leather leftover pieces after the dehydration are made the suede machine and be hammered into cotton-shaped corium fabric group with corium, also can with the porcupine roller fibre-opening unit having pine one-tenth corium fabric silk floss be drawn in corium fabric group more earlier with the oven dry of corium fabric group.
In the manufacture method of this corium fabric silk floss, (a) the corium leftover pieces processing of before immersion, can decolouring earlier described in the step.When being soaked in water, can increase the immersion effect with hot-water soak, the water temperature of soaking usefulness can be 40～50 ℃, soak time is 12～24 hours.As in water, adding bleeding agent, lubricant, lime etc., also can quicken swelling process.Before the oven dry of (d) step, also can earlier the corium fabric silk floss be put into the solution immersion treatment of additives such as softener, flexibilizer, fatting agent and dyestuff, use clear water rinsing, dehydration again.Softener, flexibilizer, fatting agent and dyestuff that above-mentioned processing is used always when used additive can adopt leather processing in crossing.Above-mentioned softness, toughness reinforcing, stuffing and dyeing processing also can be carried out separately after the continuous oven dry of corium fabric again.
Corium proposed by the invention is made the structure similar of suede machine and hammer slice type feed grinder, and its structure comprises housing, main shaft 1, hammer carrier 2, hammer leaf 7, pedestal 9, motor and transmission mechanism (not drawing among the figure) as shown in Figure 3.Housing comprises a cylindrical shape face 4 and two sides 6.The bottom and the pedestal 9 of the cylindrical shape face 4 of housing fix, and a charge door 3 is arranged at the top of cylindrical shape face.Main shaft 1 is installed in the center of two sides 6 of housing by bearing, and an end of main shaft links to each other with the axle of motor by transmission mechanism.Hammer carrier 2 is fixed on the interior main shaft of housing.Hammer leaf 7 is evenly distributed on the circumference of hammer carrier, and the afterbody of hammer leaf and the edge of hammer carrier are hinged, and the front end of hammer leaf has the head 8 of a capitate.Hammer carrier can have multilayer, and several hammer leaves are arranged on every layer of hammer carrier, and the residing angle of the hammer leaf on the different hammer carriers staggers mutually.Different with feed grinder is that it is interior without sieve that this corium is made the suede machine, the raised line 5 of the profile of tooth that distributing on the whole inwall of the cylindrical shape face of housing.Several spilled water holes 10 are arranged at the bottom of the cylindrical shape face 4 of housing.The bottom of cylindrical shape face also has a discharging opening, and an able to turn on or off discharge door 11 is arranged on this discharging opening, is the state of discharge door when opening among the figure shown in the dotted line 12.
The course of work that corium is made the suede machine is as follows: the charge door 3 that the suede machine is made from corium in the leather corner of the abundant swelling of a certain amount of process adds, starter motor, main shaft 1 drive hammer carrier 2 and on hammer leaf 7 rotate, capitate head 8 on the hammer leaf just carries out hammering to the corium leftover pieces repeatedly, make the fiber in the corium leftover pieces disconnected from each other, become corium fabric group.5 pairs of corium leftover pieces of profile of tooth raised line on the inwall of the cylindrical shape face 4 of housing have certain holding effect, make the corium leftover pieces can obtain effective hammering.In the hammering process, there is part moisture to be extruded out in the corium leftover pieces, these water can release by the basifacial spilled water hole 10 of cylindrical shape, and hammering can successfully be carried out.After hammering is finished, open the basifacial discharge door 11 of cylindrical shape, discharging opening is opened, and relies on stirring of hammer leaf 7, and corium fabric group promptly drops out from discharging opening.Close discharge door, can carry out the hammering operation of next circulation.
This corium is made the rotating speed of the main shaft 1 of suede machine and should be set lowlyer than pulverizer, generally can be 1200～600 rev/mins, and the too high meeting of rotating speed interrupts fiber, and rotating speed is crossed the low effect that then can reduce loosen collagen fibre.This corium is made top more suitable at 1～3cm apart from δ of the end face of head 8 of hammer leaf of suede machine and the raised line on the housing 5, and distance too conference influence hammer effect, and distance is too little can the obstruction hammer leaf and the rotation of hammer carrier.
This corium is made the suede machine and can independently be used by unit, and also many machines are united use as shown in Figure 4.Last corium is made conveyer belt 13 of installing between the discharging opening of suede machine and the charging aperture that a back corium is made the suede machine, and the material of being made the hammering of suede machine by last corium is transported to next corium with conveyer belt and makes the suede machine and carry out next step hammering operation.The hammer force that each corium is made the suede machine weakens successively, to meet the requirement of hammering technology.Such device can be applied to the production of bigger in batches corium fabric suede.
Used mechanical fibre-opening unit having can be used the fibre-opening unit having in the nonwoven fabric process equipment among the present invention, also can be according to the characteristics specialized designs of corium fabric.The structure that is a kind of fibre-opening unit having shown in Figure 5 comprises delivery sheet 16, feed roller 14 and porcupine roller 15.Corium fabric group is positioned on the delivery sheet 16, advances along direction shown in the arrow, by feed roller 14 clampings and send to, draws pine to become the corium fabric silk floss by porcupine roller 15.Be the twice fibre-opening unit having shown in the figure, fall on the delivery sheet of the second road fibre-opening unit having, again by the further shredding of the second road fibre-opening unit having by the corium fabric silk floss of the preliminary shredding of the first road fibre-opening unit having.
Making the continuous used leather of corium fabric is good with the endothecium bark of ox-hide or pigskin, as double-layer fur, three layers of skin etc.The top layer skin is because contain a large amount of colloids, and fiber content is few, and it is bad to be used to make the corium fabric effect.The skin of separate sources and different levels, the effective big difference of its character adds and should adopt every batch of man-hour the similar skin of the identical level in identical source to process, and the technological parameter of swelling and hammering should be done suitable adjustment according to raw material different.
The manufacture method processing corium fabric silk floss of the corium fabric silk floss that proposes with the present invention, the whole operation process needs 14～30 hours approximately, and wherein hammering and shredding operation can be finished in 2～3 hours.With the manufacture method of this corium fabric silk floss the leather leftover pieces being made the continuous row yielding of corium fabric is about 60%; The fineness of the corium fabric that makes is 0.6～2.2D; In the corium fabric silk floss, length accounts for 70% greater than the fiber of 1.5cm, and this part fiber can be used for spinning, weaving cotton cloth; Length accounts for 10% at the fiber of 1～1.5cm, and this part fiber can be used to make the corium fabric nonwoven fabric; The fiber of length below 1cm accounts for 20%, and this part fiber can be used for the corium fabric flocking.
Embodiment 1:
(1) U.S.'s ox-hide double-layer fur leftover pieces are put into container for 6 kilograms, add 100 kg of water, and water temperature is controlled at 48～50 ℃, soak 24 hours;
(2) the leather leftover pieces after will soaking are placed in the centrifugal dehydrator and dewater;
(3) the leather leftover pieces after will dewatering are put into first stamping machine hammering 30 minutes, 1200 rev/mins of rotating speeds;
(4) (3) step gained material is put into second stamping machine hammering 25 minutes, 1100 rev/mins of rotating speeds;
(5) (4) step gained material is put into the 3rd stamping machine hammering 20 minutes, 900 rev/mins of rotating speeds;
(6) (5) step gained material is put into the 4th stamping machine hammering 15 minutes, 800 rev/mins of rotating speeds;
(7) (6) step gained material is put into the 5th stamping machine hammering 10 minutes, 600 rev/mins of rotating speeds;
(8) fibrous mass with (7) step gained is placed on that shredding becomes the corium fabric silk floss on the porcupine roller fibre-opening unit having;
(9) 80 ℃ of oven dry down, obtain continuous 3.7 kilograms of kraft fibers.
Embodiment 2:
(1) three layers of hide offal of U.S.'s ox-hide are put into container for 6 kilograms, add 100 kg of water, and water temperature is controlled at 48～50 ℃, soak 20 hours;
(2) the leather leftover pieces after will soaking are placed in the centrifugal dehydrator and dewater;
(3) the leather leftover pieces after will dewatering are put into first stamping machine hammering 30 minutes, 1200 rev/mins of rotating speeds;
(4) (3) step gained material is put into second stamping machine hammering 25 minutes, 1000 rev/mins of rotating speeds;
(5) (4) step gained material is put into the 3rd stamping machine hammering 20 minutes, 900 rev/mins of rotating speeds;
(6) (5) step gained material is put into the 4th stamping machine hammering 15 minutes, 600 rev/mins of rotating speeds;
(7) fibrous mass with (6) step gained is placed on that shredding becomes the corium fabric silk floss on the porcupine roller fibre-opening unit having;
(8) 80 ℃ of oven dry down, obtain continuous 3.5 kilograms of kraft fibers.
Embodiment 3:
(1) homemade ox-hide double-layer fur leftover pieces are put into container for 6 kilograms, add 100 kg of water, and water temperature is controlled at 45～48 ℃, soak 20 hours;
(2) the leather leftover pieces after will soaking are placed in the centrifugal dehydrator and dewater;
(3) the leather leftover pieces after will dewatering are put into first stamping machine hammering 30 minutes, 1200 rev/mins of rotating speeds;
(4) (3) step gained material is put into second stamping machine hammering 25 minutes, 1000 rev/mins of rotating speeds;
(5) (4) step gained material is put into the 3rd stamping machine hammering 20 minutes, 900 rev/mins of rotating speeds;
(6) (5) step gained material is put into the 4th stamping machine hammering 15 minutes, 600 rev/mins of rotating speeds;
(7) fibrous mass with (6) step gained is placed on that shredding becomes the corium fabric silk floss on the porcupine roller fibre-opening unit having;
(8) 80 ℃ of oven dry down, obtain continuous 3.6 kilograms of kraft fibers.
Embodiment 4:
(1) three layers of hide offal of homemade ox-hide are put into container for 6 kilograms, add 100 kg of water, and water temperature is controlled at 45～48 ℃, soak 16 hours;
(2) the leather leftover pieces after will soaking are placed in the centrifugal dehydrator and dewater;
(3) the leather leftover pieces after will dewatering are put into first stamping machine hammering 20 minutes, 1200 rev/mins of rotating speeds;
(4) (3) step gained material is put into second stamping machine hammering 15 minutes, 900 rev/mins of rotating speeds;
(5) (4) step gained material is put into the 3rd stamping machine hammering 10 minutes, 800 rev/mins of rotating speeds;
(6) (5) step gained material is put into the 4th stamping machine hammering 5 minutes, 600 rev/mins of rotating speeds;
(7) fibrous mass with (6) step gained is placed on that shredding becomes the corium fabric silk floss on the porcupine roller fibre-opening unit having;
(8) 80 ℃ of oven dry down, obtain continuous 3.7 kilograms of kraft fibers.
Embodiment 5:
(1) homemade pigskin double-layer fur leftover pieces are put into container for 6 kilograms, add 100 kg of water, and water temperature is controlled at 40～43 ℃, soak 12 hours;
(2) the leather leftover pieces after will soaking are placed in the centrifugal dehydrator and dewater;
(3) the leather leftover pieces after will dewatering are put into first stamping machine hammering 20 minutes, 1200 rev/mins of rotating speeds;
(4) (3) step gained material is put into second stamping machine hammering 15 minutes, 900 rev/mins of rotating speeds;
(5) (4) step gained material is put into the 3rd stamping machine hammering 10 minutes, 800 rev/mins of rotating speeds;
(6) (5) step gained material is put into the 4th stamping machine hammering 5 minutes, 600 rev/mins of rotating speeds;
(7) fibrous mass with (6) step gained is placed on that shredding becomes the corium fabric silk floss on the porcupine roller fibre-opening unit having;
(8) 80 ℃ of oven dry down, obtain 3.4 kilograms of pigskin fiber cottons.
Claims (5)
1. a corium is made the suede machine, comprise housing, main shaft (1), hammer carrier (2), hammer leaf (7), pedestal (9), motor and transmission mechanism, housing comprises a cylindrical shape face (4) and two sides (6), the bottom of the cylindrical shape face of housing and pedestal (9) fix, a charge door (3) is arranged at the top of cylindrical shape face, main shaft is installed in the center of two sides of housing by bearing, one end of main shaft links to each other with the axle of motor by transmission mechanism, hammer carrier is fixed on the interior main shaft of housing, hammer leaf is evenly distributed on the circumference of hammer carrier, the afterbody of hammer leaf and the edge of hammer carrier are hinged, the front end of hammer leaf has the head (8) of a capitate, the raised line (5) of profile of tooth is characterized in that distributing on the whole inwall of cylindrical shape face of housing, several spilled water holes (10) are arranged at the bottom of cylindrical shape face, the bottom of cylindrical shape face also has a discharging opening, and an able to turn on or off discharge door (11) is arranged on this discharging opening.
2. corium as claimed in claim 1 is made the suede machine, and the rotating speed that it is characterized in that described main shaft is 1200～600 rev/mins, and the distance (δ) on the top of the end face of the head of described hammer leaf (8) and the raised line on the housing (5) is 1～3cm.
3. the manufacture method of a corium fabric silk floss, it comprises the steps: that (a) is placed on the leftover pieces of leather to soak in the water makes its abundant swelling; (b) the leather leftover pieces after will soaking are placed in the centrifugal dehydrator and dewater; (c) draw pine to become the corium fabric silk floss it with the porcupine roller fibre-opening unit having; (d) with the continuous oven dry of the corium fabric of gained; Before it is characterized in that in described (c) step, drawing pine with the porcupine roller fibre-opening unit having, leather leftover pieces after will dewatering are earlier made the suede machine with the described corium of claim 1 and are hammered into cotton-shaped corium fabric group, and then draw pine to become the corium fabric silk floss corium fabric group with the porcupine roller fibre-opening unit having, the process of making the hammering of suede machine with corium is divided and is carried out each hammering 5～30 minutes for 3～6 times.
4. the manufacture method of corium fabric silk floss as claimed in claim 3, after it is characterized in that leather leftover pieces after will dewatering are made the suede machine and are hammered into cotton-shaped corium fabric group with corium, with the corium fabric group oven dry of gained, draw pine to become the corium fabric silk floss corium fabric group with the porcupine roller fibre-opening unit having more earlier.
5. as the manufacture method of claim or 4 described corium fabric silk flosses, it is characterized in that the processing of before immersion, decolouring earlier of the corium leftover pieces described in (a) step; (d) the solution immersion treatment of softener, flexibilizer and dyestuff is put into the corium fabric silk floss in the step oven dry before earlier, again through clear water rinsing and dehydration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100600221A CN101235559B (en) | 2008-02-29 | 2008-02-29 | Method for producing leather fibre cotton and leather flocking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100600221A CN101235559B (en) | 2008-02-29 | 2008-02-29 | Method for producing leather fibre cotton and leather flocking machine |
Publications (2)
| Publication Number | Publication Date |
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| CN101235559A CN101235559A (en) | 2008-08-06 |
| CN101235559B true CN101235559B (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100600221A Expired - Fee Related CN101235559B (en) | 2008-02-29 | 2008-02-29 | Method for producing leather fibre cotton and leather flocking machine |
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| CN (1) | CN101235559B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935896A (en) * | 2010-07-30 | 2011-01-05 | 韩仕银 | Method for manufacturing leather fibers |
| CN102212914B (en) * | 2011-06-02 | 2012-11-28 | 沈中全 | Method for preparing cowhide fiber yarns from cowhide leftover materials |
| CN102286790B (en) * | 2011-06-02 | 2012-12-26 | 沈中全 | Preparation method of leather flocking short fiber |
| CN102586899B (en) * | 2012-03-19 | 2013-11-20 | 山东德信皮业有限公司 | Method for extracting spinnable collagenous fiber from leather corner waste and waste leather |
| CN102995165B (en) * | 2012-12-07 | 2015-01-07 | 江阴骏华纺织科技有限公司 | Underwater leather material disintegrator |
| CN103627825A (en) * | 2013-11-20 | 2014-03-12 | 邱占伟 | Method for carrying out softening treatment on leather |
| CN108251905B (en) * | 2018-01-19 | 2019-05-28 | 嘉兴奥克兰特种牛皮科技有限公司 | The preparation method of cattle-hide collagen fibers and its cattle-hide collagen fibers obtained and application |
| CN108360102B (en) * | 2018-02-13 | 2021-08-17 | 韩宏宇 | Collagen fiber composite yarn, preparation method and application thereof and textile product |
| CN109385695B (en) * | 2018-10-31 | 2024-03-01 | 青岛金盟科机械制造有限公司 | Leather fiber leftover separating machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030865A (en) * | 1974-07-08 | 1977-06-21 | Tadashi Kobayashi | Apparatus for simultaneous defiberization of waste paper stock and uniform dispersion and accumulation of the defiberized fine fiber stock for dry web formation |
| US4500040A (en) * | 1982-04-19 | 1985-02-19 | Bert Steffens | Method and apparatus for separating the components of cellulose sanitary articles |
| CN2051636U (en) * | 1989-07-21 | 1990-01-24 | 诸城市棉油加工厂 | Cotton boll skin/lint separator |
| CN1291084C (en) * | 2004-09-09 | 2006-12-20 | 谢光照 | Animal leather yarn and its producing method |
| CN100355961C (en) * | 2005-03-28 | 2007-12-19 | 常熟市新力无纺设备有限公司 | Leather fiber separating machine |
-
2008
- 2008-02-29 CN CN2008100600221A patent/CN101235559B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030865A (en) * | 1974-07-08 | 1977-06-21 | Tadashi Kobayashi | Apparatus for simultaneous defiberization of waste paper stock and uniform dispersion and accumulation of the defiberized fine fiber stock for dry web formation |
| US4500040A (en) * | 1982-04-19 | 1985-02-19 | Bert Steffens | Method and apparatus for separating the components of cellulose sanitary articles |
| CN2051636U (en) * | 1989-07-21 | 1990-01-24 | 诸城市棉油加工厂 | Cotton boll skin/lint separator |
| CN1291084C (en) * | 2004-09-09 | 2006-12-20 | 谢光照 | Animal leather yarn and its producing method |
| CN100355961C (en) * | 2005-03-28 | 2007-12-19 | 常熟市新力无纺设备有限公司 | Leather fiber separating machine |
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| CN101235559A (en) | 2008-08-06 |
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