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Patent Searching and Data


Title:
INTAKE MANIFOLD
Document Type and Number:
WIPO Patent Application WO/2021/145167
Kind Code:
A1
Abstract:
An intake manifold (M) according to the present invention is formed by vibration-welding a first resin molded body and a second resin molded body so as to define a surge tank and a plurality of branch pipes. The first resin molded body (10) includes a first flange part (14) and a first projecting welding portion (15) protruding from the first flange part. The second resin molded body (20) includes: a second flange part (24) facing the first flange part; a second projecting welding portion (25) which protrudes from the second flange part and is welded with the first projecting welding portion; and an inner rib (26) and an outer rib (27) which sandwich the second projecting welding portion, protrude from the second flange part so as to define burr storage spaces (Si, So) on the inner side and the outer side, and face the first flange part. The second projecting welding portion (25) includes a reference width welding portion (25a1) and a wide width welding portion (25a2) having an expanded welding width.

Inventors:
HAYASHI TAKAYUKI (JP)
Application Number:
PCT/JP2020/047902
Publication Date:
July 22, 2021
Filing Date:
December 22, 2020
Export Citation:
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Assignee:
MIKUNI KOGYO KK (JP)
International Classes:
B29C65/08; F02M35/104
Foreign References:
JP2009002220A2009-01-08
JP2005337108A2005-12-08
JP2019137001A2019-08-22
JP2015059431A2015-03-30
JP2018171712A2018-11-08
Attorney, Agent or Firm:
YAMAMOTO Takatoshi (JP)
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