Title:
ばねの製造方法
Document Type and Number:
Japanese Patent JP5550405
Kind Code:
B2
Abstract:
To provide a method for manufacturing a spring having a painted surface, the method being capable of reducing a time period required for performing a paint baking process and low temperature annealing process while performing these processes at the same time. This manufacturing method has a step of heating the spring to a predetermined temperature (S12) and a step of spraying paint onto a surface of the spring and baking the paint while cooling the heated spring in accordance with a predetermined cooling pattern (S 14, S16). The predetermined temperature in the heating step and the cooling pattern obtained in the painting step are set such that a predetermined low temperature annealing process is performed on the spring in the heating and painting steps.
Inventors:
Hirata Yuichi
Ukei Good
Hidekazu Suzuki
Ukei Good
Hidekazu Suzuki
Application Number:
JP2010065507A
Publication Date:
July 16, 2014
Filing Date:
March 23, 2010
Export Citation:
Assignee:
Chuo Spring Co., Ltd.
International Classes:
F16F1/02; B05D7/14; C21D9/02; C21D7/06
Attorney, Agent or Firm:
Patent business corporation KAI-U Patent Law Firm