发明名称 Method for manufacturing mattresses or box springs, including improved spring transfer
摘要 A method is provided which provides an improved manner in which to manufacture innerspring constructions including individual springs. A rotating bristled brush is used to urge individual springs along a path from one position to another.
申请公布号 US5471725(A) 申请公布日期 1995.12.05
申请号 US19940238814 申请日期 1994.05.06
申请人 SIMMONS COMPANY 发明人 THRASHER, OTIS
分类号 B68G7/00;A47C27/06;B21F33/00;B21F33/04;B65G35/00;B68G9/00;(IPC1-7):B68G7/00 主分类号 B68G7/00
代理机构 代理人
主权项
地址