Title:
ポケットばねのストリングを作製する方法
Document Type and Number:
Japanese Patent JP3659972
Kind Code:
B2
Abstract:
A method and apparatus for manufacturing mattresses, including the steps of forming a coil spring from wire, conditioning said coil spring to reduce stresses formed therein, placing said coil spring within pockets to create elongate strings of pocketed coil springs, attaching said elongate strings to create innerspring constructions.
Inventors:
St Clair, Albert, Ronald
Branknock, Paul, Henry
Branknock, Paul, Henry
Application Number:
JP50727396A
Publication Date:
June 15, 2005
Filing Date:
December 30, 1994
Export Citation:
Assignee:
Dreamwell, Limited
International Classes:
A47C23/053; B65B9/02; B65B9/10; B65B63/02; B68G9/00; (IPC1-7): B65B63/02
Foreign References:
| US4854023 | ||||
| US1915264 |
Attorney, Agent or Firm:
Yuichi Yamada
Yasuhito Suzuki
Yasuhito Suzuki