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Patent Searching and Data


Title:
METHOD FOR PRODUCING SPRING
Document Type and Number:
WIPO Patent Application WO/2011/118451
Kind Code:
A1
Abstract:
In the provided method for producing a spring with a painted surface, the paint baking and low-temperature annealing are combined, and the time for said treatment is shortened. The production method has a heating step (S12) for heating the spring to a predetermined set temperature, and painting steps (S14, S16) for, while cooling the heated spring by a predetermined cooling pattern, spraying paint onto the surface of the spring and baking the spring. In addition, the set temperature in the heating step and the cooling pattern in the painting steps are set in a manner such that the spring is annealed at a prescribed low-temperature during the heating step and painting steps.

Inventors:
HIRATA Yuichi (68 Aza Kamishiota, Narumi-cho, Midori-ku, Nagoya-sh, Aichi 05, 〒4588505, JP)
平田 雄一 (〒05 愛知県名古屋市緑区鳴海町字上汐田68番地 中央発條株式会社内 Aichi, 〒4588505, JP)
UKEI Yoshitaka (68 Aza Kamishiota, Narumi-cho, Midori-ku, Nagoya-sh, Aichi 05, 〒4588505, JP)
Application Number:
JP2011/056051
Publication Date:
September 29, 2011
Filing Date:
March 15, 2011
Export Citation:
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Assignee:
CHUO HATSUJO KABUSHIKI KAISHA (68 Aza Kamishiota, Narumi-cho Midori-ku, Nagoya-sh, Aichi 05, 〒4588505, JP)
中央発條株式会社 (〒05 愛知県名古屋市緑区鳴海町字上汐田68番地 Aichi, 〒4588505, JP)
HIRATA Yuichi (68 Aza Kamishiota, Narumi-cho, Midori-ku, Nagoya-sh, Aichi 05, 〒4588505, JP)
平田 雄一 (〒05 愛知県名古屋市緑区鳴海町字上汐田68番地 中央発條株式会社内 Aichi, 〒4588505, JP)
International Classes:
F16F1/02; B05D7/14; C21D9/02; C21D7/06
Attorney, Agent or Firm:
KAI-U PATENT LAW FIRM (NISSEKI MEIEKI BUILDING 7F, 45-14 Meieki 2-chome, Nakamura-k, Nagoya-shi Aichi 02, 〒4500002, JP)
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Claims: