Method of manufacturing an expandable spongy member

Details Method of manufacturing an expandable spongy member Method of manufacturing an expandable spongy member

1983-09-29

1985-07-16

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

53121, 53523, 53527, 264136, 446153, 446385, B29D 2700

Patent

active

045295697

ABSTRACT:
A method of manufacturing an expandable member comprising the steps of separating a shaped member from a sheet of cellular spongy material, soaking the member in a solution containing a water soluble binder and water, compressing the member into a container and drying the compressed member. The dried member expands to its original shape and size when placed in water.

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patent: 4414788 (1983-11-01), Berg

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