Methods and apparatus for elasticizing discrete areas of conform

Details Methods and apparatus for elasticizing discrete areas of conform Methods and apparatus for elasticizing discrete areas of conform

1979-11-15

1981-11-17

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156229, 156269, 156301, 156322, 156324, 156495, 156499, 156516, 156549, 156554, 156578, A61F 1316, B32B 3108, B32B 3118, B65H 2308

Patent

active

043009670

ABSTRACT:
Methods, the products produced thereby, and apparatus for forming conformable garments having selected discrete elasticized areas. More specifically, methods and apparatus for stretching one or more ribbons of thermoplastic elastomeric material, immobilizing the stretched material in its extended state, subjecting spaced discrete areas of the stretched material to heat so as to "kill" the elastic properties thereof in the heated regions while leaving the elastic properties of the intermediate unheated regions thereof unaltered and bonding the alternate elasticized and non-elasticized zones of the elastic ribbon to a continuous web suitable for use in forming a plurality of interconnected, but severable, like conformable garments having selected discrete elasticized areas on a high speed production basis. In the preferred form of the invention, the conformable garment thus formed comprises a disposable diaper product.

REFERENCES:
patent: 3600250 (1971-08-01), Evans
patent: 3828367 (1974-08-01), Bourgoeis
patent: 3893879 (1975-07-01), Ito
patent: 4050462 (1977-09-01), Woon et al.
patent: 4081301 (1978-03-01), Buell
patent: 4227952 (1980-10-01), Sabee
patent: 4239578 (1980-12-01), Gore
patent: 4240866 (1980-12-01), Rega
patent: 4261782 (1981-04-01), Teed
Repke et al., "Disposable . . . Manufacture" South Africa Pat. Appl. No. 77/4456 filed Jul. 22, 1976.

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