Title:
SUSPENSION COIL SPRING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/040292
Kind Code:
A1
Abstract:
This suspension coil spring device (1) is provided with a compression coil spring (10) having a coating film; an anti-vibration rubber (20); and an adhesive layer for joining the compression coil spring (10) and the anti-vibration rubber (20), wherein the adhesive layer is a cured product of a hot melt-based adhesive that melts at 80-100ºC, and the softening temperature of the hot melt-based adhesive is lower than the heat resistant temperature of the coating film, and the softening temperature of the hot melt-based adhesive is lower than the heat-resistant temperature of the anti-vibration rubber (20).
Inventors:
SHIBATA YUICHI (JP)
SUWA TAISUKE (JP)
SUWA TAISUKE (JP)
Application Number:
PCT/JP2019/033039
Publication Date:
February 27, 2020
Filing Date:
August 23, 2019
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
F16F1/12; B60G11/16
Foreign References:
JP2017015249A | 2017-01-19 | |||
US20170015028A1 | 2017-01-19 | |||
JP5635442B2 | 2014-12-03 | |||
JP2001510747A | 2001-08-07 | |||
JP2018157584A | 2018-10-04 | |||
JP2015190538A | 2015-11-02 |
Other References:
See also references of EP 3842659A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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