JPS6487972A - Cover boots - Google Patents

Cover boots

Info

Publication number
JPS6487972A
JPS6487972A JP62245087A JP24508787A JPS6487972A JP S6487972 A JPS6487972 A JP S6487972A JP 62245087 A JP62245087 A JP 62245087A JP 24508787 A JP24508787 A JP 24508787A JP S6487972 A JPS6487972 A JP S6487972A
Authority
JP
Japan
Prior art keywords
base material
material layer
system elastomer
cover boots
arranging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP62245087A
Other languages
Japanese (ja)
Other versions
JPH0788904B2 (en
Inventor
Masao Harada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyoraku Co Ltd
Original Assignee
Kyoraku Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyoraku Co Ltd filed Critical Kyoraku Co Ltd
Priority to JP62245087A priority Critical patent/JPH0788904B2/en
Publication of JPS6487972A publication Critical patent/JPS6487972A/en
Publication of JPH0788904B2 publication Critical patent/JPH0788904B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Sealing Devices (AREA)
  • Diaphragms And Bellows (AREA)

Abstract

PURPOSE:To improve durability by forming a base material layer with ester system elastomer and an elastic body of laminated structure arranging urethane system elastomer in inner and outer surface layers coating this base material layer. CONSTITUTION:A cover boots is formed from an elastic body of laminated structure forming a base material layer 9 with ester system elastomer and arranging urethane system elastomer in outer and inner surface layers 7 and 8 coating the base material layer 9. Consequently, providing rigidity even while holding rubber elasticity, the cover boots, improving its mountability to an equal velocity joint or the like further with no expansion by centrifugal force even in high speed rotation, is rich even in durability. Further because the urethane system elastomer is arranged in the outer surface, improving wear resistance for the contact with the fellow outer surfaces in the time of high speed rotation, the cover boots, even when it is rotated in contact, is prevented from breaking. While because the urethane system elastomer is arranged in the inner surface layer 8, preventing the cover boots from being swollen by grease sealed inside, the cover boots, arranging the ester system elastomer in the base material layer 9, can be prevented from a change of hardness due to depending on temperature.
JP62245087A 1987-09-29 1987-09-29 Cover boots Expired - Lifetime JPH0788904B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62245087A JPH0788904B2 (en) 1987-09-29 1987-09-29 Cover boots

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62245087A JPH0788904B2 (en) 1987-09-29 1987-09-29 Cover boots

Publications (2)

Publication Number Publication Date
JPS6487972A true JPS6487972A (en) 1989-04-03
JPH0788904B2 JPH0788904B2 (en) 1995-09-27

Family

ID=17128413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62245087A Expired - Lifetime JPH0788904B2 (en) 1987-09-29 1987-09-29 Cover boots

Country Status (1)

Country Link
JP (1) JPH0788904B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5102187A (en) * 1989-12-22 1992-04-07 Mazda Motor Corporation Reinforced floor structure for an automotive vehicle
JPH04272576A (en) * 1990-11-24 1992-09-29 Carl Freudenberg:Fa Bellows made of thermoplastic elastomer
US6688676B1 (en) 2000-02-18 2004-02-10 Nissan Motor Co., Ltd. Vehicle structure with load transmission elements
DE10249073A1 (en) * 2002-10-21 2004-05-06 ZF Lemförder Metallwaren AG Mehrschichtbalg
JP2008120231A (en) * 2006-11-10 2008-05-29 Honda Motor Co Ltd Vehicle body structure for automobile

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6062658U (en) * 1983-10-05 1985-05-01 東洋ゴム工業株式会社 Composite bellows structure
JPS60122065U (en) * 1984-01-25 1985-08-17 東洋ゴム工業株式会社 Composite bellows structure
JPS61256024A (en) * 1985-05-08 1986-11-13 Toyoda Gosei Co Ltd Boot for mechanical shaft coupling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6062658U (en) * 1983-10-05 1985-05-01 東洋ゴム工業株式会社 Composite bellows structure
JPS60122065U (en) * 1984-01-25 1985-08-17 東洋ゴム工業株式会社 Composite bellows structure
JPS61256024A (en) * 1985-05-08 1986-11-13 Toyoda Gosei Co Ltd Boot for mechanical shaft coupling

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5102187A (en) * 1989-12-22 1992-04-07 Mazda Motor Corporation Reinforced floor structure for an automotive vehicle
JPH04272576A (en) * 1990-11-24 1992-09-29 Carl Freudenberg:Fa Bellows made of thermoplastic elastomer
US6688676B1 (en) 2000-02-18 2004-02-10 Nissan Motor Co., Ltd. Vehicle structure with load transmission elements
DE10249073A1 (en) * 2002-10-21 2004-05-06 ZF Lemförder Metallwaren AG Mehrschichtbalg
DE10249073B4 (en) * 2002-10-21 2007-02-15 ZF Lemförder Metallwaren AG Mehrschichtbalg
JP2008120231A (en) * 2006-11-10 2008-05-29 Honda Motor Co Ltd Vehicle body structure for automobile

Also Published As

Publication number Publication date
JPH0788904B2 (en) 1995-09-27

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