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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING UPPER SUPPORT, AND UPPER SUPPORT
Document Type and Number:
WIPO Patent Application WO/2012/043123
Kind Code:
A1
Abstract:
[Problem] To provide a method for manufacturing an upper support, the method being configured so that a flange section is not warped and deformed when the method integrates, by vulcanization and adhesion, a rubber elastic body with a cup fitting serving as an inner fitting, the cup fitting doubling as a rebound stopper fitting, and then the method expands the diameter of the tube-shaped section of the cup fitting to apply pre-compression to the rubber elastic body. [Solution] An upper support (18) has: a cup fitting (28) serving as an inner fitting; an outer fitting (30); and a rubber elastic body (32) integrated with both the cup fitting (28) and the outer fitting (30) by vulcanization and adhesion, and the upper support (18) is manufactured as follows: the tube-shaped section (36) of a cup fitting (28a), which is to be integrated with the rubber elastic body (32) by vulcanization and adhesion, is shaped so as to have: a large-diameter section (110) located at the upper part of the tube-shaped section and continuing to a flange section (42); a small-diameter section (112) located at the lower part of the tube-shaped section; and a stepped section (114) located between the large-diameter section (110) and the small-diameter section (112), and after the cup fitting (28a) is integrated with the rubber elastic body (32) by vulcanization and adhesion, only the small-diameter section (112) is expanded in diameter by the press-fitting of a diameter expansion jig to apply pre-compression to the rubber elastic body (32).

Inventors:
MATSUMURA HIROYUKI (JP)
Application Number:
PCT/JP2011/069806
Publication Date:
April 05, 2012
Filing Date:
August 31, 2011
Export Citation:
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Assignee:
TOKAI RUBBER IND LTD (JP)
MATSUMURA HIROYUKI (JP)
International Classes:
F16F9/54; B60G13/06; B60G15/06; F16F1/38
Foreign References:
JP2005256991A2005-09-22
JPH11201218A1999-07-27
JP2007130650A2007-05-31
JP2003090374A2003-03-28
Attorney, Agent or Firm:
YOSHIDA KAZUO (JP)
Kazuo Yoshida (JP)
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Claims: