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Patent Searching and Data

Document Type and Number:
Japanese Patent JP2567758
Kind Code:

PURPOSE: To dispense with the grinding processing of the inner surface of an end part and to improve the sealability of the end part, the vibration absorbing efficiency or assembling properties of a hose and productivity and mechanical characteristics in preparing the hose by blow molding.
CONSTITUTION: A hose 10 is constituted of a hose main body 12 formed by the blow molding of a thermoplastic resin and the cylindrical connection part 14 with a partener member formed by the injection molding of a thermoplastic resin in such a state that the hose main body 12 is set to a mold and the hose main body 12 is formed from a hard resin and the connection part 14 is formed from a soft resin and a flexible bellows part 16 is provided to the central part in the longitudinal direction of the hose main body 12 and the bellows part 16 is constituted of a soft resin different from the hard resin before and behind the bellows part in the longitudinal direction or mainly constituted of the soft resin.

Kawasaki Minoru
Taiga Ishiguro
Application Number:
Publication Date:
December 25, 1996
Filing Date:
June 29, 1991
Export Citation:
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Tokai Rubber Industry Co., Ltd.
International Classes:
B29C45/14; B29C49/06; B29C49/48; B29C57/02; B29D23/18; F16L11/11; B29L23/18; (IPC1-7): B29C49/06; B29C45/14; B29C49/48; B29C57/02; B29D23/18; F16L11/11
Domestic Patent References:
Attorney, Agent or Firm:
Kazuo Yoshida