Method of moulding containers from at least two different plastic materials, machine for carrying out this method and containers obtained thereby
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United States of America Patent
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-
Jun 15, 1982
Grant Date -
N/A
app pub date -
Dec 18, 1978
filing date -
Dec 23, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of moulding containers consisting of two plastic materials compatible with and sealable to each other, of differing nature and/or color, wherein the material is injected into a space provided between the walls of a mould and a counter-mould, and comprising defining within said space by means of removable separators a first and a second sub-space; injecting into said first sub-space a first one of said materials to fill it fully, injecting into the second sub-space the second material, removing said separators and continuing the injection under pressure of said second material until local interpenetration thereof.
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