RU2266964C2 - Method for dressing of bird's skin for manufacture of woman's hat, collar, fur coat, muff, child's fur coat and other fur articles - Google Patents

Abstract

FIELD: bird skin dressing processes.

SUBSTANCE: method involves strictly observing succession of performing operations for preliminary processing of skins including steps of bird skinning in single sheet by cutting it along line running from region above beak on upper side of head and spine line to tail base; impregnating feather cover with absorbing powder; degreasing and cleaning skin by scraping with obtuse-angled knife from tail to head while adding absorbing powder; washing skin in detergent solution and adding washing degreasing means; drying skins in desiccant powder medium; knocking out desiccant powder from skin by means of spade; fixing skin by means of pins and preserving with the use of acidic-saline solution. Starch is used as absorbing powder and desiccant powder. Wide range of aquatic bird skins are suitable with regard to strength of flesh side, density, strength and beauty of color of bird's feather cover for dressing into fur articles. Method allows settling of fat and other contaminants onto feather cover to be prevented and bird skin drying process to be performed under predetermined conditions with the use of starch as absorbing powder and desiccant for imparting initial appearance to dressed feather cover with regard to direction of feathers and natural color.

EFFECT: increased physical-mechanical properties of dressed bird skin as compared to skins of fur animals dressed by way of standard processes.

11 dwg

Description

This method relates to the field of fur and light industry, and in particular to methods for dressing the skins of birds.

There is a known method of dressing bird skins, including the operations of: coiling, degreasing, pickling, tanning and subsequent coiling, moreover, to improve the quality of the skins, the skinned is washed in a washing solution, dried with circulating warm air, and the coating is carried out using a leather knife (see ed. St. USSR No. 1730168 A1, Cl. C 14 C 5/00, publ. 04/30/1992).

1. By the method of describing the present invention, after peeling and washing in warm water (20-25 ° C.) followed by drying with circulating warm air, skins are obtained with a change in the initial type of feather cover, the feather sticks together, loses its direction and its natural shape.

2. After processing the chloroform-methanol mixture, placing the skin in a solution of acetic and sulfuric acid, the skins of the birds get an unpleasant odor, in the proposed method, according to application No. 2003108755/12, degreasing and dressing materials with a pleasant natural aroma are used.

3. It has been experimentally established that when fat enters the feather cover, feathers acquire a yellow tint, which is especially noticeable when white skins, such as domestic geese and ducks, cannot be removed with detergents.

The technology of making skins to obtain a product suitable for sewing fur products from it, namely hats and others, indicated in the title of the invention, requires a number of additional operations.

The technical result is the exclusion of fats and other contaminants on the feather cover and the drying of the skins under certain conditions using a special desiccant powder (starch) to give the feather cover an initial appearance in shape, direction of the pen and its natural color.

The specified technical result is achieved by the fact that the method of dressing the skins of birds includes a strict sequence of operations for pre-treating the skins: taking the skins with a layer, cutting it along the line from the beak of the upper part of the head and the back line to the base of the tail, impregnating the feather cover with absorbent powder, degreasing and cleaning the skins with a blunt knife from the tail to the head with the addition of absorbent powder, washing the skins in a solution of washing powder with the addition of degreasing detergents, washing with a that running water, spin in a centrifuge, followed by drying the skins manually in a powder-desiccant medium, attaching the skins with nails, preserving the skins with acid-salt solution. As an absorbent powder and a desiccant powder, starch is used.

The essence of this method according to the invention is illustrated by drawings, in which:

figure 1 - shooting the skin layer along the line 1, 2;

figure 2 - impregnation of the skins 3 and feather cover 5 with absorbent powder 4;

figure 3 - pickling acid-salt solution with a brush 6;

figure 4 - mezdrenie and cleaning from fat scraping knife 7 with powder 4;

figure 5 - washing the skins 3 in the tank 9 and a solution of detergent degreasing agents 8;

6 - washing the skins 3 in water;

Fig.7 - spinning the skins in a centrifuge;

Fig - drying the skins 3 in the environment of the powder dryer 4 manually in the tank 10;

Fig.9 - knocking out the blade 11 of the powder-desiccant 4 from the feather cover 5;

figure 10 - fastening the skins 3 to the board 12 with nails 13;

11 - conservation of the skins 3 with an acid-salt solution with a brush 6 with the addition of tannins.

The method of dressing the skins of birds involves shooting the skins with a layer, cutting it along the line 1, 2, going from the beak on the upper side of the head and the back line to the base of the tail, impregnating the feather cover 5 of the skin 3 with a desiccant powder 4 manually, pickling with an acid-salt solution consisting from 6% malic acetic acid and saturated sodium chloride solution, aging for 72 hours, subsequent skinning and degreasing of the skin with a blunt knife 7 with the addition of absorbent powder 4, washing the skin as part of washing powder and detergent degreasing means (drop or fairies) at a temperature of 15-17 ° C, washing in clean water at the same temperature, spinning the skins in a centrifuge, drying the skins manually, constantly removing the wet powder desiccant 4 and adding dry powder to the tank 10, knocking out the powder- desiccant 4 with a spatula 11, fastening the skins with 3 nails 13 to the board 12 and preserving the skins with an acid-salt solution (6% malic acetic acid and sodium chloride with the addition of chromium oxide) with a brush 6. Starch is used as an absorbent powder and desiccant powder. The claimed technology for the production of skins of birds works, subject to the scheme of figures 1-11

The advantage of this method is that, using a desiccant powder, namely starch, washing in a washing solution, followed by drying in a powder desiccant medium, the resulting product from poultry skins preserves the original shape of the feather cover and the color scheme in its pure form.

Claims (1)

A method of dressing the skins of birds, including strictly following the sequence of operations for pre-processing the skins, taking skins with a layer, cutting it along the line from the beak of the upper side of the head and back to the base of the tail, impregnating the feather cover with absorbent powder, degreasing and cleaning the skins with blunt scraping with a knife from tail to head with the addition of absorbent powder, washing the skins in a solution of washing powder with the addition of detergent degreasing agents, drying the skins in an environment of dry powder a caliper, knocking out a powder with a spatula of a desiccant, fixing the skins with nails and preserving the skins with an acid-salt solution, while starch is used as an absorbent powder and a desiccant powder.

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