Title:
LID FOR BEVERAGE CONTAINER AND METHOD FOR INJECTION MOLDING OF LID
Document Type and Number:
Japanese Patent JP3718494
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lid for a beverage container having a nick with a nearly cross shape capable of holding a straw in the perpendicular direction not in a slant direction, and a method for injection molding the lid.
SOLUTION: A mold for injection molding consisting of a male mold with a columnar projection and a female mold with a concavity corresponding to the projection of the male mold, and wherein a cavity is formed between the both molds by clamping the both molds, is used. The male mold provides projected lines to form a nearly cross shaped nick on the columnar projection, and the female mold provides concave grooves corresponding to the projection lines.
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Inventors:
Hiroshi Matsuoka
Application Number:
JP2002299777A
Publication Date:
November 24, 2005
Filing Date:
October 15, 2002
Export Citation:
Assignee:
Luna Kasei Co., Ltd.
International Classes:
B65D41/32; B29C45/37; B65D51/24; B29L31/56; (IPC1-7): B29C45/37; B65D41/32
Domestic Patent References:
| JP63063408U | ||||
| JP2002525249A | ||||
| JP5042143U | ||||
| JP2002028930A |
Attorney, Agent or Firm:
Masayuki Tsukiyama
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