Molding processes for making multilayer containers of different

Details Molding processes for making multilayer containers of different Molding processes for making multilayer containers of different

1977-07-28

1979-01-02

Fisher, Richard V.

Paper making and fiber liberation

Processes and products

Plural fiber containing

162219, 162224, 162228, 264 87, D21F 1100

Patent

active

041325915

ABSTRACT:
An improved method of pulp or pressure molding a multilayer container is disclosed wherein the inner layer consists of fused water dispersible polyolefin fibers whereas the outer layer consists of a mixture of cellulosic fibers bonded together by fused water dispersible polyolefin fibers. The containers are useful because the polyolefin layer is resistant to the passage of liquid such as lubricating oils and semi-solids such as greases while the mixed layer of cellulosic fibers and the polyolefin fiber supplies sufficient strength to permit the stacking of the containers when filled.

REFERENCES:
patent: 3205123 (1965-09-01), Hornbostel
patent: 3594273 (1971-07-01), Williams

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