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Patent Searching and Data


Title:
FILLER TUBE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2017/056846
Kind Code:
A1
Abstract:
Provided is a filler tube that is capable of favorably complying with a request function that corresponds to a bellows section and a non-bellows cylindrical base section, while ensuring fuel-permeability resistance properties and weld strength and at the welding surface. A filler tube (30) is provided with a non-bellows cylindrical base section (31) measuring 2–4 mm in total wall thickness, a bellows section (32) measuring 0.5–3 mm in total wall thickness, and a flange part (35) measuring 3.5–5 mm in total wall thickness and having an end surface that is welded to a fuel tank (10). The base part (31), the bellows part (32), and the flange part (35) are provided with inner layers (31a, 32a, 35a) formed to a thickness that is 40–60% of the total wall thickness and principally formed of high-density polyethylene (HDPE), intermediate layers (31b, 32b, 35b) having fuel-permeability resistance properties, and outer layers (31c, 32c, 35c) for protecting the intermediate layers (31b, 32b, 35b).

Inventors:
FUKUYASU, Tomoyuki (1 Higashi 3-chome, Komaki-sh, Aichi 50, 〒4858550, JP)
SHIMOJO, Makoto (1 Higashi 3-chome, Komaki-sh, Aichi 50, 〒4858550, JP)
MIYAJIMA, Atsuo (1 Higashi 3-chome, Komaki-sh, Aichi 50, 〒4858550, JP)
HATANAKA, Kazuki (1 Higashi 3-chome, Komaki-sh, Aichi 50, 〒4858550, JP)
Application Number:
JP2016/075783
Publication Date:
April 06, 2017
Filing Date:
September 02, 2016
Export Citation:
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Assignee:
SUMITOMO RIKO COMPANY LIMITED (1 Higashi 3-chome, Komaki-shi Aichi, 50, 〒4858550, JP)
International Classes:
B60K15/04; B29C49/00; B29C53/08; B29C57/02; B29C69/02; B29D23/18; F16L11/08
Domestic Patent References:
WO2012115224A12012-08-30
Foreign References:
JP2009255891A2009-11-05
JP2010116094A2010-05-27
JP2014231286A2014-12-11
Attorney, Agent or Firm:
KYORITSU INTERNATIONAL (2-5 Meieki 3-chome, Nakamura-ku Nagoya-sh, Aichi 02, 〒4500002, JP)
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