Cross-lamination injection molding

Details Cross-lamination injection molding Cross-lamination injection molding

B - Operations, Transporting

29

C

B29C 45/16 (2006.01) B29C 45/00 (2006.01)

Patent

CA 2070283

A plastic product (16) having a cross-laminated section (17) including a first plastic layer (13) and a second plastic layer (15) is injection molded in a mold system that includes a first mold cavity with a first-layer-defining mold-cavity-section and a second mold cavity with a second-layer-defining-mold-cavity-section tht has a second-cavity-section-wall. The product is molded by injecting a quantity of first plastic into the first mold cavity so that the first plastic flows in the first layer-defining-mold-cavity- section in a first predetermined general direction (12); solidifying at least partly the flowed first plastic in the first-layer-defining- mold-cavity-section to thereby form said first plastic layer; adjusting the mold system to provide the second mold cavity, with the second-cavity-section-wall including the first plastic layer; injecting a quantity of second plastic into the second mold cavity so that the second plastic flows in the second-layer-defining-mold-cavity-section in a different second predetermined general direc- tion (14), whereupon the second plastic in the second-layer-defining-mold-cavity-section fuses with the first plastic layer.

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