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Title:
PNEUMATIC TIRE AND PRODUCTION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/1999/028115
Kind Code:
A1
Abstract:
A pneumatic tire (1) including bead portions (4) disposed at the inner ends of side wall portions (3) extending inward from both ends of tread portions (2) in a radial direction, and sealing therein a sealant (6) for preventing puncture by a seal rubber sheet (5) extending in a circumferential direction on a tire inner cavity surface inside the tread portion (2), wherein the seal rubber sheet (5) includes a bonding portion (5a) to be integrally bonded at both side edge portions thereof with an inner liner rubber (12) of the tire inner cavity surface and a non-bonding portion (5b) prevented from being bonded to the inner liner rubber (12) due to the interposition of a bonding preventing sheet (13) having a rubber mold-releasing property between the bonding portions (5a and 5b). The sealant (6) is sealed into the bag-like portion defined by the non-bonding portion (5a) between the inner liner rubber (12) and the seal rubber sheet (5).

Inventors:
YOSHIDA SHU (JP)
TAJIMA KATSUNORI (JP)
OKUNO KENJI (JP)
AOI HIDEMICHI (JP)
NAGATA YUKINORI (JP)
NAKAMURA KAZUNORI (JP)
HIDAKA YOSHITO (JP)
Application Number:
PCT/JP1998/005343
Publication Date:
June 10, 1999
Filing Date:
November 27, 1998
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
HONDA MOTOR CO LTD (JP)
OHTSU TIRE & RUBBER CO LTD (JP)
YOSHIDA SHU (JP)
TAJIMA KATSUNORI (JP)
OKUNO KENJI (JP)
AOI HIDEMICHI (JP)
NAGATA YUKINORI (JP)
NAKAMURA KAZUNORI (JP)
HIDAKA YOSHITO (JP)
International Classes:
B60C19/12; B29C73/20; B29C73/22; B29D30/08; B60C5/14; B60C11/00; (IPC1-7): B29D30/08; B60C19/12
Foreign References:
JPH08323875A1996-12-10
JPS5121034B21976-06-29
JPH09300481A1997-11-25
JPS608103A1985-01-17
JPS4930279B11974-08-12
JPS63232004A1988-09-28
Other References:
See also references of EP 1034916A4
Attorney, Agent or Firm:
Naemura, Tadashi (Nishinakajima 4-chome Yodogawa-k, Osaka-shi Osaka-fu, JP)
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