FIELD: textile industry.
SUBSTANCE: threadless seam comprises two layers of material, which are joined by tight tape, at the same time additional layer of tight tape is arranged as turned on face side along seam surface, the main layer of tight tape is located either as bended for turned outside or inside joined materials depending on seam design, and connection tape used is represented by elastic self-adhesive material on the basis of water dispersion of copolymer of butyl acrylate, acrylonitrile and methacrylic acid.
EFFECT: use of invention makes it possible to connect materials with various properties, to improve seam strength with simultaneous imparting of elasticity to it.
5 dwg
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