Title:
BLOW-MOLDED CONTAINER AND METAL MOLD FOR BLOW MOLDING
Document Type and Number:
WIPO Patent Application WO/2004/039560
Kind Code:
A1
Abstract:
A blow-molded container and a metal mold for blow molding, the metal mold (101) for blow molding wherein a pinch-off blade (106) for pinching off a parison is disposed on the bottom surface (104) of the bottom part of a cavity (102), one bottom split line is formed of a linear pinch-off line formed by the pinch-off blade (106) on the bottom surface, a pair of body split lines formed by a body split surface (111) at right and left peripheral edge parts, and a pair of connection lines connecting the right and left ends of the pinch-off line to the right and left ends of the body split lines in a plane cross section in the closed state of the mold, and the connection lines form a stepped bent part generally perpendicular to the pinch-off line by end part split surfaces (112) positioned at the right and left ends of a pinch-off part (105); the blow-molded container formed by the metal mold (101) for blow molding wherein burrs, glossy spots, and color spots are absent near the side face bottom part, an appearance is excellent, and a blow ratio is low.
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Inventors:
TOKUDA HIROAKI (JP)
INNAMI KAZUHISA (JP)
INNAMI KAZUHISA (JP)
Application Number:
PCT/JP2003/013822
Publication Date:
May 13, 2004
Filing Date:
October 29, 2003
Export Citation:
Assignee:
YOSHINO KOGYOSHO CO LTD (JP)
TOKUDA HIROAKI (JP)
INNAMI KAZUHISA (JP)
TOKUDA HIROAKI (JP)
INNAMI KAZUHISA (JP)
International Classes:
B29C49/02; B29C49/48; B29C49/50; B65D1/02; B65D6/28; B65D8/04; B65D8/06; B65D90/02; B29C49/04; B29C49/22; (IPC1-7): B29C49/50; B29C49/04; B65D1/00
Domestic Patent References:
| WO2002053341A1 | 2002-07-11 |
Foreign References:
| JPH0788943A | 1995-04-04 | |||
| JPH09262902A | 1997-10-07 | |||
| JP2004001314A | 2004-01-08 | |||
| JPS57172708U | 1982-10-30 | |||
| JP7075848B2 | 2022-05-26 |
Attorney, Agent or Firm:
Watanabe, Kazutoyo (Nakano 2-chome Nakano-ku, Tokyo, JP)
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