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Title:
MANUFACTURE OF HOLLOW MOLDING WITH INSERT
Document Type and Number:
Japanese Patent JPS5651333
Kind Code:
A
Abstract:

PURPOSE: To obtain a hollow molding with insert having a high added value by a method in which insert parts are inserted into the side wall of a molten thermoplastic resin parison, molds are closed, and then air blow is made.

CONSTITUTION: The side wall of the molten thermoplastic resin parison 4 is opened up, and then its aperture is interleaved with the insert part 7 held by a lever 6 inside the parison 4. Then, the molds 9 are closed and the parison 4 and the insert part 7 are pressed together before or after air blowing, and then air is blown into the parison to obtain the hollow molding with the insert, e.g., a thermoplastic resin fuel tank having a bulwark plate, etc. Also, a hollow molding with plural insert parts 7 and 10 can be obtained.


Inventors:
HATAKEYAMA TETSUYA
MIYAGI HIROSHI
HASEGAWA KENJI
Application Number:
JP12732679A
Publication Date:
May 08, 1981
Filing Date:
October 04, 1979
Export Citation:
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Assignee:
SHOWA DENKO KK
International Classes:
B29B11/10; B29C35/00; B29C49/00; B29C45/00; B29C49/04; B29C49/20; B29C49/42; B29C65/00; (IPC1-7): B29D3/00; B29D23/03



 
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