Method of producing a laminated molding

Details Method of producing a laminated molding Method of producing a laminated molding

1995-09-07

1999-11-30

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264510, 264511, 264258, 264259, 264261, 2643281, 2643287, 264265, 264266, 425DIG223, B27N 308, B29C 4516, B32B 3106

Patent

active

059937190

ABSTRACT:
A method of producing a laminated molding, such as an air current control valve used in an air conditioner for a vehicle, is made to be united with an facing material having the flexible surface of a basic plate made of resin. When the above laminated molding is produced, a used mold should be split into a stationary mold portion and a movable mold portion. Also, a compression core is provided in the movable mold portion. The facing material is temporarily fixed on a mold-face of the stationary mold portion and a mold-face of the compressive core of the movable mold portion opposite the mold-face of the stationary mold portion, during the aforementioned state, a melting synthetic resin is fed into a mold and then the fed melting synthetic resin is compressed by moving the compression core toward the stationary mold portion. By compressing the compression core, it makes a space providing a larger volume than a molding in the cavity which is being fed with the melting synthetic resin; this allows the melting synthetic resin to be quickly fed under a high injection pressure, whereby each cycle process takes place in a shorter time. Furthermore, after the melting synthetic resin is filled in the cavity, the pressure force exerted on the compression core is capable of being decreased, without the flexible facing material being damaged.

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