B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/641
B29C 51/18 (2006.01) B26D 7/01 (2006.01) B29C 44/14 (2006.01) B29C 44/56 (2006.01)
Patent
CA 1162374
TITLE OF THE INVENTION: METHOD AND APPARATUS FOR MANUFACTURING THREE-DIMENSIONAL WORK PIECES ABSTRACT OF THE DISCLOSURE: A three-dimensional work piece, such as an interior part for a car, is manufactured by keeping the blank, such as a sheet of plastic on or in the same primary mold for the initial shaping step, for the foaming step, for the curing step and for the final trimming step. The primary mold shuttles back and forth in a given direction for sequential cooperation with two secondary molds arranged for reciprocation in a di- rection extending perpendicularly to said given direction. Preferably, two primary mold members are arranged for hori- zontal back and forth shuttling in unison so that each pri- mary mold member may cooperate with two out of three verti- cally reciprocable secondary molds. The efficiency is substantially doubled when each of the two primary mold mem- bers cooperates with two out of three secondary molds. Three stations are located next to one another so that the two primary mold members, which are rigidly connected to each other, may shuttle back and forth between two adjacent stations. -1-
378202
Gowling Lafleur Henderson Llp
Stanztechnik Gmbh R. & S.
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