Method of making a laminate

Details Method of making a laminate Method of making a laminate

1989-10-12

1992-05-05

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

428 355, 428 367, 428215, 428349, 428516, 428349, 428910, 604332, 604333, 604338, B29B 4706

Patent

active

051103907

ABSTRACT:
Laminated sheet material 9 comprises a laminate of a polyvinyl alcohol or other water-disintegratable film 12 with a thin coextruded film comprising a melt-bondable layer 15 and an impermeable layer 14. The laminate is odor impermeable but water disposable and so can be used to form a toilet-disposable ostomy bag by melt-sealing around the edges 10 between the facing melt-sealable surfaces 15.

REFERENCES:
patent: 3546716 (1970-12-01), Laumann
patent: 3661695 (1972-05-01), Berliner
patent: 4372311 (1983-02-01), Potts
patent: 4469728 (1984-09-01), Belz
patent: 4490145 (1984-12-01), Campbell
patent: 4561920 (1985-12-01), Foster
patent: 4868024 (1989-09-01), Cross et al.
patent: 4880592 (1989-11-01), Martini et al.
patent: 4892603 (1990-01-01), Lustig et al.
patent: 4946720 (1990-08-01), Oishi et al.

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