BLOW MOLD UNIT AND BLOW MOLDING MACHINE USING SAME

Title:

BLOW MOLD UNIT AND BLOW MOLDING MACHINE USING SAME

Document Type and Number:

WIPO Patent Application WO/2011/092985

Kind Code:

A1

Abstract:

A blow mold unit (300) attached to a foundation (72) of a blow molding machine (10) comprises a blow mold (60) including first and second blow cavity split molds (62A, 62B) and a plurality of raised bottom molds (63). The blow mold unit (300) further comprises a first clamping plate (310) to which the first blow cavity split mold is clamped, a second clamping plate (312) to which the second blow cavity split mold is clamped, a plurality of first pressure receiving plates (320) which are respectively disposed on both side surfaces of the first and second blow cavity split molds and clamped to the first and second clamping plates, a third clamping plate (330) which is disposed between the first and second clamping plates and clamps the plurality of raised bottom molds to a first surface (330A) thereof, a plurality of shaft portions (340 (342, 344)) which are suspended from a second surface (330B) of the third clamping plate and have free end portions (342B, 344B) as the lower ends thereof, and a plurality of second pressure receiving plates (350) which are respectively clamped to the first and second clamping plates below the third clamping plate.

Inventors:

YOKOBAYASHI KAZUYUKI (JP)
TAKEHANA DAISABUROU (JP)

Application Number:

PCT/JP2010/073271

Publication Date:

August 04, 2011

Filing Date:

December 24, 2010

Export Citation:

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Assignee:

NISSEI ASB MACHINE CO LTD (JP)
YOKOBAYASHI KAZUYUKI (JP)
TAKEHANA DAISABUROU (JP)

International Classes:

B29C49/48; B29C33/30

Domestic Patent References:

WO2008061326A2

2008-05-29

Foreign References:

JP2004188866A	2004-07-08
JP2003231170A	2003-08-19
JPH09300444A	1997-11-25
JPH0813501B2	1996-02-14
JPH06270235A	1994-09-27
JP4319863B2	2009-08-26
JPH08244103A	1996-09-24

Other References: