SU297674A1 - Method of softening the skin - Google Patents

Method of softening the skin

Info

Publication number
SU297674A1
SU297674A1 SU1320501A SU1320501A SU297674A1 SU 297674 A1 SU297674 A1 SU 297674A1 SU 1320501 A SU1320501 A SU 1320501A SU 1320501 A SU1320501 A SU 1320501A SU 297674 A1 SU297674 A1 SU 297674A1
Authority
SU
USSR - Soviet Union
Prior art keywords
skin
softening
heated air
elements
porous partition
Prior art date
Application number
SU1320501A
Other languages
Russian (ru)
Original Assignee
В. И. Блинников, А. И. Савельев , И. А. Комиссаров
Publication of SU297674A1 publication Critical patent/SU297674A1/en

Links

Description

Изобретение относитс  к кожевенному производству и предназначено дл  использовани  в процессах т жки и м гчени  кож.The invention relates to leather production and is intended for use in leather tightening and softening processes.

В известном способе м гчени  кож кожу подвергают многократному раст жению, изгибу и сжатию посредством вибрирующих Л  гчпльных органов.In the known method of softening the skin, the skin is subjected to repeated stretching, bending and compression by means of vibrating L ghplnyh organs.

Однако этот способ имеет р д недостатков-м гчение кож производитс  обычно после сушки и отволожки, что удлин ет производственный цикл, в результате сушки в коже происходит нространственное формирова1П1е и слинаиие волокон, ирнвод н,ие к усадке.However, this method has a number of imperfections; softening of the skin is usually done after drying and hardening, which lengthens the production cycle, as a result of drying in the skin, the spatial formation of the skin and the wrinkling of the fibers occur, causing shrinkage.

Последующее м гчение только в некоторой степени может изменить пространственное формирование и слипание волокон после их фиксировани  сущкой.Subsequent softening can only to some extent alter the spatial formation and sticking of the fibers after they are fixed with the substance.

Дл  устранени  указанных недостатков, в предлагаемом способе кожу одновременно с деформацией продувают перпендикул рно ее поверхности нагретым воздухом через пористую перегородку со сквозными порами.To eliminate these drawbacks, in the proposed method, the skin, along with the deformation, is blown perpendicularly to its surface with heated air through a porous partition with through pores.

На чертеже дана схема, по сн юща  предложенный способ.The drawing is a diagram explaining the proposed method.

которой выполнено из металлической пористой перегородки 6 со сквозными порами.which is made of a metal porous partition 6 with through pores.

Пориста  перегородка имеет углублени , а рабочий орган--элементы 7, располол еииыеThe porous septum has recesses, and the working body - elements 7, located

соответственно углублени м в пористой перегородке . Элементы могут быть выполнены в виде роликов, имеющих щаровую поверхность , свободно установленные щарики лн пальцы.according to the recesses in the porous partition. The elements can be made in the form of rollers having a spherical surface, freely mounted balloons and fingers.

Способ заключаетс  в следующем.The method is as follows.

КОжа укладываетс , например, на эластичную транспортерную сетку и подаетс  в зону действи  рабочих органов. Элементы вдавливают кожу в углублени  пористой перегородки , через которую проходит сжатый нагретый воздух. В верхнем положении рабочих органов и элементов кожа прижата к пористой перегородке, выход щий из перегородки сжатый нагретый воздух продувает кожу. Удаление влаги производ т фильтрацией. В нижнем положении рабочих органов и элементов кожа освобождаетс  дл  транспортировки, обдуваетс  с поверхности нагретым воздухом, выход щим из пористой перегородки, и влага испар етс  с поверхности кожи вынуладенной конвекцией. обеспечивает выт жку и подвижность ее волокон . Предмет изобретени  Способ м гчени  кож путем их многократ- 5 ной деформации, отличающийс  тем, что, с целью улучшени  качества м гчени  и увеличени  выхода кож по площадке, одновременно с деформацией, кожу продувают потоком нагретого воздуха через перегородку со сквозными порами перпендикул рно поверхности кожи.Leather is laid, for example, on an elastic conveyor belt and is fed into the working area of the working bodies. The elements press the skin into the recesses of the porous partition through which the compressed heated air passes. In the upper position of the working bodies and elements, the skin is pressed against the porous septum, the compressed heated air emerging from the septum blows the skin. Moisture removal is carried out by filtration. In the lower position of the working bodies and elements, the skin is released for transportation, blown from the surface by heated air exiting the porous partition, and moisture is evaporated from the surface of the skin by convection. provides stretching and mobility of its fibers. The subject of the invention is a method of softening leathers by their multiple deformations, characterized in that, in order to improve the quality of softening and increase the yield of leathers around the area, simultaneously with the deformation, the skin is blown with a stream of heated air through a septum with through pores perpendicular to the skin surface. .

Л.L.

SU1320501A Method of softening the skin SU297674A1 (en)

Publications (1)

Publication Number Publication Date
SU297674A1 true SU297674A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100771A (en) * 1975-09-29 1978-07-18 Jiri Dokoupil Method and apparatus for flexibilizing leather
US4559793A (en) * 1981-10-12 1985-12-24 Geweniger Karl Otto Processing plant for treating hides, skins, pieces of leather and the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100771A (en) * 1975-09-29 1978-07-18 Jiri Dokoupil Method and apparatus for flexibilizing leather
US4559793A (en) * 1981-10-12 1985-12-24 Geweniger Karl Otto Processing plant for treating hides, skins, pieces of leather and the like

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