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AssigneesMitsui Toatsu Chemicals, Inc., Shimizu Seiko Kabushiki Gaisha
InventorsSachio Yokote, Kenji Yokogi, Masaki Misumi
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A method of manufacturing composite moldings by executing the following steps (a) to (f) by using an injection molding machine provided with a fixed die having a gate which is opened to a cavity forming surface and a movable die which can come into contact with and out of contact with the fixed die: (a) step of setting a desired skin material to a predetermined position of the movable die in a state in which the movable die is sufficiently removed from the fixed die; (b) a first die clamping step in which the movable die is moved toward the fixed die and is stopped at a position where an interval between the movable and fixed dies is equal to a predetermined value of 5 mm or more; (c) step of injecting a fused resin into a cavity; (d) a second die clamping step in which the movable die is stopped at a desired last position; (e) step of cooling for a predetermined time after the second die clamping step; (f) step of removing the movable die from the fixed die and opening the dies and taking out a product.
A method of manufacturing composite moldings utilizing a fixed die provided with a cavity having a cavity molding surface inclined 15.degree. to 75.degree. from horizontal, a gate opening to said cavity and installed with a weir member movable between a stemming position protruding in front of said gate opening and a position withdrawn from the cavity, said method further utilizing a movable die which is joinable with and separable from said fixed die, said method comprising:
Dependencies are inferred from the claim text.