Title:
HOLLOW ARTICLE AND METHOD AND APPARATUS FOR MOLDING HOLLOW ARTICLE
Document Type and Number:
WIPO Patent Application WO/1996/026062
Kind Code:
A1
Abstract:
A method of molding a hollow article, which comprises the step of injecting a molten resin into a main cavity having one end provided with a pressure port and a floating core and the other end communicating with a sub-cavity through a port capable of being opened and closed; and introducing a pressurized fluid through the pressure port to move the floating core towards the port, thereby extruding the resin from the main cavity into the sub-cavity until the floating core is moved into the sub-cavity.
Inventors:
KATAGIRI HIROKI (JP)
WATANABE MITUO (JP)
OZIRO MINORU (JP)
AKUTU HIDETOSHI (JP)
ONO MASAKI (JP)
IIDA ISAO (JP)
WATANABE MITUO (JP)
OZIRO MINORU (JP)
AKUTU HIDETOSHI (JP)
ONO MASAKI (JP)
IIDA ISAO (JP)
Application Number:
PCT/JP1996/000417
Publication Date:
August 29, 1996
Filing Date:
February 23, 1996
Export Citation:
Assignee:
ARUPI TOPURA KABUSHIKI KAISHA (JP)
KATAGIRI HIROKI (JP)
WATANABE MITUO (JP)
OZIRO MINORU (JP)
AKUTU HIDETOSHI (JP)
ONO MASAKI (JP)
IIDA ISAO (JP)
KATAGIRI HIROKI (JP)
WATANABE MITUO (JP)
OZIRO MINORU (JP)
AKUTU HIDETOSHI (JP)
ONO MASAKI (JP)
IIDA ISAO (JP)
International Classes:
B29C33/00; B29C33/76; B29C45/00; B29C45/17; B29C45/76; B29D23/00; (IPC1-7): B29C45/00; B29C33/34; B29D23/00
Foreign References:
JPH04208425A | 1992-07-30 | |||
JPH01145108A | 1989-06-07 | |||
JPH03138115A | 1991-06-12 | |||
JPH03121821A | 1991-05-23 |
Other References:
See also references of EP 0757936A4
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