B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/03 (2006.01) B29C 45/16 (2006.01) B29C 45/17 (2006.01)
Patent
CA 2289160
A process for the production of a plastic product from at least first and second different thermoplastics includes providing an injection mold with a plurality of initial chambers that are separated from each other by a plurality of separating members and injecting the first thermoplastic into these chambers to fill same and thereby form a plurality of first thermoplastic elements. The separating members are then moved in the mold so as to form a secondary chamber having the plurality of first elements arranged therein and space to accommodate further thermoplastic material. The second thermoplastic material is then injected into the secondary chamber so that the first elements are joined with the second thermoplastic in order to produce the product. In the preferred process, the initial chambers are arranged in an alternating manner above and below a separation line defined by the inner end surfaces of the separating devices in their separating positions.
Keyzers Frans
Westerburgen Joop
Euro United Corporation
Ridout & Maybee Llp
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