BLOW MOLDING METHOD

Title:

BLOW MOLDING METHOD

Document Type and Number:

WIPO Patent Application WO/1998/038027

Kind Code:

A1

Abstract:

A blow molding method, in which gas is blown into a parison in a metallic die (7) to expand the parison to bring the same into close contact with a molding portion of the die to mold a blow molding (6), and gas in the blow molding (6) is exhausted and cooled, comprises setting a gas pressure in the blow molding (6) at 5 to 8 kgf/cm?2� (G) and exhausting the gas, which meets the relation F$m(G)10 x W [F: air flowrate (N1/min), W: weight of blow molding (g)], while blowing the gas into the blow molding.

Inventors:

NONOMURA AKIRA (JP)
ICHINOHE KENJI (JP)
OOTANI KEN-ICHI (JP)

Application Number:

PCT/JP1997/000539

Publication Date:

September 03, 1998

Filing Date:

February 25, 1997

Export Citation:

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Assignee:

KAO CORP (JP)
NONOMURA AKIRA (JP)
ICHINOHE KENJI (JP)
OTANI KEN ICHI (JP)

International Classes:

B29C49/66; B29C49/78; B29C49/04; (IPC1-7): B29C49/66; B29C49/46; B29C49/78

Foreign References:

JPH0592476A	1993-04-16
JPH03274120A	1991-12-05
JPH039820A	1991-01-17

Other References: