Sewing – Method of sewing – On specified product
Patent
1995-09-21
1998-01-13
Nerbun, Peter
Sewing
Method of sewing
On specified product
11247521, 112439, 4285422, D05B 9700
Patent
active
057067490
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates generally to production of consumer goods and, more specifically, of haberdashery, and can be used in production of leather garments, footwear, hats, bags and objects of applied art.
BACKGROUND OF THE INVENTION
Known in the art is a method for producing a leather article by making separate leather components, each having a closed outline, and flat joining each of the separate components to an adjacent one (FR,A,2029984).
In this method the separate leather components are glued on a flexible underlying material, the components being butted without empty spaces therebetween on the underlying material so as to produce a one-piece cloth.
The aforementioned method allows the use of commercially small size separate leather components, such as cuttings. Still it is impossible to produce articles having empty spaces inasmuch as the separate components are glued on a common underlying material and they are chosen with similar outlines which reduces a decorative value.
By some methods, articles are produced by cutting a perforated pattern in a piece of leather (FR,A,1463279; FR,A,1565893).
All those methods are relatively efficient, but result in a great number of cuttings and articles of poor decorative appearance. Typically, such methods are used to produce rough leather articles having a simple ornamental pattern, such as belts, ornaments for bags, since it is difficult to provide a lining conforming to the perforated pattern of a piece of leather.
Articles, produced by such methods, are of low decorative value due to small perforations, whereas large empty spaces reduce drastically resistance of the article to deformations along thin leather bridges between the empty spaces.
"Course of woman's handworks" (Moscow, Tolika, Russian Writer Publishers, 1992, pp.152-153, 157-158) discloses a method for producing leather articles, comprising plotting a pattern with empty spaces between elements thereof on a template, making separate leather components with closed outlines conforming to elements of the pattern.
The same book describes a leather article made of separate leather components joined in accordance with a pattern, with empty spaces therebetween.
According to the method above, separate components are sewed on a common underlying material, i.e. by an application technique allowing the use of small size separate components, such as cuttings. However, use of a common underlying material prevents the provision of apertures between separate components, which reduces decorative value and hygiene characteristics of the article due to lack of air admission, essential for some types of summer garments, footwear, hats, etc.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a method for producing a leather article wherein separate components are joined so as to provide empty spaces between them in accordance with a pattern of any complexity, and a leather article with empty spaces maintains resistance to deformations, and, therefore, to improve an openwork and decorative value of a leather article, its quality and hygiene characteristics.
The aforementioned object is attained by a method for producing a leather article, including drawing a pattern with empty spaces forming apertures between elements thereof on a template, making separate leather components having closed outlines conforming to the elements of the pattern, wherein the pattern is composed of elements each contacting adjacent elements, each separate component is joined to an adjacent component at contact points therebetween via fastening members arranged perpendicular to a tangent to a contact point of separate components, the apertures between the separate components being filled with a tracery of crossed threads with its ends joined to edges of adjacent components.
According to one embodiment of the invention, separate elements have different outlines and different sizes.
According to another embodiment of the invention, the template is a gauge with darts.
Alternatively, the temp
REFERENCES:
patent: 4073299 (1978-02-01), Murata
patent: 4495230 (1985-01-01), Ellwein
patent: 4578318 (1986-03-01), Schoch et al.
patent: 5358763 (1994-10-01), Zinbarg
Course of Women's Handworks, Ch. 8 "Applied Stitchcraft," 1992, pp. 152-153. (Orig. and translation).
Garrison David L.
Nerbun Peter
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