Title:
【発明の名称】ポケット式複合入れ子コイルばねの製造
Document Type and Number:
Japanese Patent JP2002523696
Kind Code:
A
Abstract:
A system and method for manufacturing pocketed compound nested coil springs includes inserting a compressed, preferably pocketed, smaller coil spring into a vertically oriented larger coil spring either prior to compressing and inserting the outer coil spring into pocket material or after the larger coil spring has been compressed and prior to being encapsulated in the pocket. Alternative systems and methods are also contemplated which include forming the outer coil spring around the inner coil spring and pocketing the resulting nested spring unit.
Inventors:
Mosbeck, Neills, Es
Wells, Thomas, Jay
Wells, Thomas, Jay
Application Number:
JP2000566593A
Publication Date:
July 30, 2002
Filing Date:
August 25, 1999
Export Citation:
Assignee:
L&P Property Management Company
International Classes:
A47C27/04; B21F33/04; B23P21/00; B65B9/073; B65B63/02; B68G9/00; F16F1/02; F16F1/08; F16F3/04; (IPC1-7): F16F3/04; A47C27/04; B23P21/00
Attorney, Agent or Firm:
Akira Asamura (3 outside)