EP0384253A2 - Verfahren zum Strecken und Trocknen von Häuten nach der Färbebehandlung - Google Patents

Verfahren zum Strecken und Trocknen von Häuten nach der Färbebehandlung Download PDF

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Publication number
EP0384253A2
EP0384253A2 EP90102646A EP90102646A EP0384253A2 EP 0384253 A2 EP0384253 A2 EP 0384253A2 EP 90102646 A EP90102646 A EP 90102646A EP 90102646 A EP90102646 A EP 90102646A EP 0384253 A2 EP0384253 A2 EP 0384253A2
Authority
EP
European Patent Office
Prior art keywords
skins
drums
pressing
drying
stretching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP90102646A
Other languages
English (en)
French (fr)
Other versions
EP0384253A3 (de
Inventor
Attilio Faedo
Ezio Faedo
Gianni Faedo
Luciano Faedo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TECNOPELLI Srl
Original Assignee
TECNOPELLI Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TECNOPELLI Srl filed Critical TECNOPELLI Srl
Publication of EP0384253A2 publication Critical patent/EP0384253A2/de
Publication of EP0384253A3 publication Critical patent/EP0384253A3/de
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/30—Pressing or rolling leather
    • C14B1/34—Pressing or rolling leather by rotating movement of the pressing or rolling elements
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/26—Leather tensioning or stretching frames; Stretching-machines; Setting-out boards; Pasting boards
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/58—Drying

Definitions

  • the skins are extracted from the above barrels to be then subjected to the drawing and drying operations.
  • the skins are caused to pass into the space between at least two drums, in order to be pressed, which makes it possible to obtain the expulsion of a portion of the liquids with which said skins are still soaked.
  • One of the devices of known type for ensuring this operation comprises a machine which operates discontinuously and which comprises, upstream of the two above-mentioned drums, another drum with blades formed by a cylindrical element which will also be applied against the skins at the level of one of its generatrices and which has, on its side wall, a series of blades arranged in a helix and wound in opposite directions along two zones opposite with respect to the transverse plane of symmetry of said drum, which blades are able to effect an effective preliminary distension of the skin before it is subjected to pressing.
  • an application drum On the side of the blade drum is provided an application drum, the skins being caused to pass between these two drums.
  • a first pair of pressing drums Downstream of the blade drum is mounted a first pair of pressing drums, which also ensures the advancement of the skins. It should be noted here that the blade drum rotates in the opposite direction to that corresponding to the advance of the skins.
  • the machine is divided into two structures, one of which is movable relative to the other: on the first of these structures are mounted the blade drum and one of the pressing drums, while the other carries the drum application and the second pressing drum.
  • the skins are manually engaged in the machine when the two structures are spaced from each other; after having correctly in. sitioned the skin, the operator can then proceed to the pressing or spinning operation. On leaving the machine, the skins are removed manually to be stored properly on a mechanical stacker.
  • these skins are subjected to the drying phase, obtained by placing them on plates which are heated to around 70 ° C., preferably under vacuum in order to facilitate the drying process.
  • the skins are dried directly in the open air, but this solution involves immobilizing the articles for an extended period of time.
  • the fact that the two pressing drums are mounted on two structures which can be moved apart or brought closer depending on the working phases is such as to determine a very clear limitation of the pressure that the two drums can exert on the skin to be treated, and, in the final analysis, a limitation of the percentage of liquid which can be eliminated during this phase. It follows that most of the liquid must be removed during the second phase of the process; so that the latter does not have unacceptable durations, it is necessary to operate at the relatively high temperatures mentioned above, which inevitably implies a certain reduction in the quality of the skins.
  • the present invention proposes to implement a method of stretching and drying the skins at their exit from the dyeing operation which is free from the drawbacks mentioned above.
  • the pressing phase is carried out using a device operating continuously and comprising means for the continuous supply of the skins between the two pressing drums; around the drum or drums provided at at least one of the faces of the skin to be pressed is mounted a movable mat which constitutes the element which will effectively bring the skins into contact, it being noted that another mat can be mounted around the rollers provided on the oppo side the skin to be pressed.
  • Such a structure is capable of giving surprising results as regards the quantity of liquid which can be wrung during the phase in which the said structure is involved, the said quantity possibly reaching up to 70%.
  • the presence of the carpets is likely to increase the surface which performs the pressing, which surface in the case of the device implementing the usual process is very small since it extends only at the level of the zone. of contact between the skins and the pressing drums.
  • the device according to the invention comprising at least one drum with prior stretching blades of the type described above, and also taking into account the greater pressure that the pressing drums can exert on the skins, the latter tend to increase their surface considerably, which constitutes a notable advantage for producers of skins since, as is known, skins are usually sold by unit of surface and not by unit of weight.
  • the skin 1 is brought to the pressing means using a movable belt 2 actuated by a cylinder 3 and wound around a return cylinder 4.
  • two pairs of pressing drums 5 and 6 are provided, arranged one after the other.
  • the drums which are provided on either side of the opposite faces of the skin rotate in opposite directions so as to ensure the correct advancement of said skin.
  • the invention can provide both a single pair of drums and a number of pairs greater than two.
  • the drums are not directly brought into contact with the skins, but on the contrary between said drums and the skins is interposed a mat 7 preferably made of felt and whose movement is ensured by the aforementioned drums, also wrapping around return cylinders 8.
  • a blade drum 10 Upstream of the first pair of drums 5 is provided a blade drum 10 which rotates in a proper direction to tend to oppose the skins to be pressed in advance, all in known manner.
  • the present invention may also, for feeding the skins, provide means which differ from the conveyor belt 2 above illustrated and described.
  • this conveyor belt 2 is driven with an advance speed lower than the linear speed of the pressing drums, so that when the skin is gripped by said drums at one of its edges, it is stretched as a result of the combined and antagonistic actions of the pressing drums and the blade drum.
EP19900102646 1989-02-22 1990-02-10 Verfahren zum Strecken und Trocknen von Häuten nach der Färbebehandlung Ceased EP0384253A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8985532A IT1233811B (it) 1989-02-22 1989-02-22 Procedimento di stenditura e asciugatura di pelli gia' tinte
IT8553289 1989-02-22

Publications (2)

Publication Number Publication Date
EP0384253A2 true EP0384253A2 (de) 1990-08-29
EP0384253A3 EP0384253A3 (de) 1991-09-11

Family

ID=11327625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900102646 Ceased EP0384253A3 (de) 1989-02-22 1990-02-10 Verfahren zum Strecken und Trocknen von Häuten nach der Färbebehandlung

Country Status (2)

Country Link
EP (1) EP0384253A3 (de)
IT (1) IT1233811B (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996015275A2 (en) * 1994-11-15 1996-05-23 Officine Di Cartigliano S.P.A. Semiautomatic feeder line particularly for setting-out/drying machines, vacuum-driers, and stakers for industrial hides
ITVE20090048A1 (it) * 2009-09-14 2011-03-15 Dal Lago S R L Dispositivo di stenditura di pelli per impianti per conceria.
CN105177189A (zh) * 2015-08-17 2015-12-23 苏州瑞日纺织科技有限公司 一种制鞋皮革去褶皱机构
ITUB20160895A1 (it) * 2016-02-19 2017-08-19 Bauce Tri Ma S R L Macchina per il trattamento di pelli provvista di dispositivo di finitura
CN110499398A (zh) * 2019-09-06 2019-11-26 福州市马尾区浩莉服饰有限公司 一种皮革整平涂色装置
IT201800006118A1 (it) * 2018-06-07 2019-12-07 Macchina perfezionata per il trattamento di pelli conciate
CN110714101A (zh) * 2019-09-26 2020-01-21 辽宁富新新材料有限公司 一种无铬鞣皮胚的干燥流程

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2661543A (en) * 1950-06-24 1953-12-08 United Shoe Machinery Corp Apparatus for and methods of drying leather
DE1296736B (de) * 1962-02-09 1969-06-04 Cartigliano Off Spa Vakuumtrockenvorrichtung fuer Leder od. dgl.
FR2027257A1 (de) * 1968-12-28 1970-09-25 Bayerische Maschinenfabr
FR2065769A5 (en) * 1969-10-07 1971-08-06 Bocciardo Paolo Continuous leather treatment press
FR2243258A1 (en) * 1973-09-07 1975-04-04 Strojosvit Np Pressing and dewatering leather, esp. cattle hide halves - with endless compression felts and slower moving cord conveyor
EP0079607A1 (de) * 1981-11-14 1983-05-25 Kela Spezialmaschinen GmbH Durchlaufpresse, insbesondere Durchlauf-Abwelkmaschine, für die Lederherstellung und Lederbearbeitung
WO1986007389A1 (en) * 1985-06-12 1986-12-18 Jiri Dokoupil Method and device for conditioning leathers, hides, furs and the like
EP0303168A1 (de) * 1987-08-12 1989-02-15 Turner Maschinenbau GmbH Durchlauf-Abwelkpresse

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2661543A (en) * 1950-06-24 1953-12-08 United Shoe Machinery Corp Apparatus for and methods of drying leather
DE1296736B (de) * 1962-02-09 1969-06-04 Cartigliano Off Spa Vakuumtrockenvorrichtung fuer Leder od. dgl.
FR2027257A1 (de) * 1968-12-28 1970-09-25 Bayerische Maschinenfabr
FR2065769A5 (en) * 1969-10-07 1971-08-06 Bocciardo Paolo Continuous leather treatment press
FR2243258A1 (en) * 1973-09-07 1975-04-04 Strojosvit Np Pressing and dewatering leather, esp. cattle hide halves - with endless compression felts and slower moving cord conveyor
EP0079607A1 (de) * 1981-11-14 1983-05-25 Kela Spezialmaschinen GmbH Durchlaufpresse, insbesondere Durchlauf-Abwelkmaschine, für die Lederherstellung und Lederbearbeitung
WO1986007389A1 (en) * 1985-06-12 1986-12-18 Jiri Dokoupil Method and device for conditioning leathers, hides, furs and the like
EP0303168A1 (de) * 1987-08-12 1989-02-15 Turner Maschinenbau GmbH Durchlauf-Abwelkpresse

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996015275A2 (en) * 1994-11-15 1996-05-23 Officine Di Cartigliano S.P.A. Semiautomatic feeder line particularly for setting-out/drying machines, vacuum-driers, and stakers for industrial hides
WO1996015275A3 (en) * 1994-11-15 1996-06-27 Cartigliano Off Spa Semiautomatic feeder line particularly for setting-out/drying machines, vacuum-driers, and stakers for industrial hides
AU698741B2 (en) * 1994-11-15 1998-11-05 Officine Di Cartigliano S.P.A. Semiautomatic feeder line particularly for setting-out/drying machines, vacuum-driers, and stakers for industrial hides
ITVE20090048A1 (it) * 2009-09-14 2011-03-15 Dal Lago S R L Dispositivo di stenditura di pelli per impianti per conceria.
CN105177189A (zh) * 2015-08-17 2015-12-23 苏州瑞日纺织科技有限公司 一种制鞋皮革去褶皱机构
CN105177189B (zh) * 2015-08-17 2017-09-19 苏州瑞日纺织科技有限公司 一种制鞋皮革去褶皱机构
ITUB20160895A1 (it) * 2016-02-19 2017-08-19 Bauce Tri Ma S R L Macchina per il trattamento di pelli provvista di dispositivo di finitura
IT201800006118A1 (it) * 2018-06-07 2019-12-07 Macchina perfezionata per il trattamento di pelli conciate
CN110499398A (zh) * 2019-09-06 2019-11-26 福州市马尾区浩莉服饰有限公司 一种皮革整平涂色装置
CN110714101A (zh) * 2019-09-26 2020-01-21 辽宁富新新材料有限公司 一种无铬鞣皮胚的干燥流程

Also Published As

Publication number Publication date
EP0384253A3 (de) 1991-09-11
IT8985532A0 (it) 1989-02-22
IT1233811B (it) 1992-04-17

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