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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING BEARING CAGE
Document Type and Number:
WIPO Patent Application WO/2017/145384
Kind Code:
A1
Abstract:
In the present invention, half of a plurality of pillars (20) are provided with a gate (51). Pillars (20) that are provided with a gate (51) and pillars (20) that are not provided with a gate (51) are disposed alternately in the circumferential direction. Of the plurality of gates (51), one gate (51) has a cross-sectional area larger than the cross-sectional areas of the other gates (51). Of the plurality of pillars (20) that are not provided with a gate (51), a resin reservoir (40), which can store melted resin, is provided on the pillar (20) that is opposite to the pillar (20) with the gate (51) with the larger cross-sectional area than the other gates (51) in the radial direction, or on a pillar (20) near said opposite pillar (20).

Inventors:
KURAMOTO YOSHIKAZU (JP)
AIHARA NARIAKI (JP)
HIRAMOTO TAKAYUKI (JP)
Application Number:
PCT/JP2016/055912
Publication Date:
August 31, 2017
Filing Date:
February 26, 2016
Export Citation:
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Assignee:
NSK LTD (JP)
International Classes:
F16C33/64; B29C33/38
Foreign References:
JPH07119104A1995-05-09
JPH10318263A1998-12-02
JP2003329044A2003-11-19
JP2011085231A2011-04-28
JP2012219917A2012-11-12
JP2013228103A2013-11-07
JP2015224664A2015-12-14
Other References:
See also references of EP 3421827A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P. C. (JP)
Patent business corporation glory patent firm (JP)
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