METHOD OF MANUFACTURING JOINT BOOT

WIPO Patent Application WO/2005/118257

A1

A method of accurately manufacturing a joint boot having a large diameter side mounting part in which outer and inner peripheral surfaces are different in shape from each other. A cylindrical parison (15) formed of a first portion (12) forming the product shape of the large diameter side mounting part (2), a second portion (13) forming the product shape of a small diameter side mounting part (4), and a third portion (14) connecting these both portions (12) and (13 ) to each other is injection-molded by using a molding material. After the parison is cooled, only the third portion (14) among the first portion, the second portion, and the third portion is heated, from the radial outer side, to a set temperature by a heater (B), and then the third portion is covered by an outer mold (51), a gas is jetted to the inner peripheral surface of the third portion, and the third portion is pressed against the outer mold to blow-mold a bellows part (5).

SAITO KATSUSHI (JP)
OHSHITA TAKENORI (JP)
IMAZU EIICHI (JP)

PCT/JP2005/004826

December 15, 2005

March 17, 2005

Click for automatic bibliography generation  

TOYO TIRE & RUBBER CO (JP)
SAITO KATSUSHI (JP)
OHSHITA TAKENORI (JP)
IMAZU EIICHI (JP)

B29C49/06; B29C49/64; B29C49/66; F16D3/84; F16J3/04; F16J15/52; (IPC1-7): B29C49/64; B29C49/06; F16D3/84; F16J3/04; F16J15/52

JP2003222155A	2003-08-08
JPH10272679A	1998-10-13
JPH01250673A	1989-10-05
EP0915264A2	1999-05-12
JP2003329057A	2003-11-19

Tsutada, Akiko (Nissei Bingomachi Bldg. 7-10, Bingomachi 1-chome, Chuo-ku, Osaka-sh, Osaka 51, JP)

View/Download PDF      PDF Help

Previous Patent: JOINT BOOT PRODUCING METHOD AND HEATING DEVICE USING THIS METHOD

Next Patent: METHOD OF MANUFACTURING JOINT BOOT