发明名称 Spring unit assembly
摘要 Apparatus for encapsulating spring units (38-40) is disclosed. The apparatus comprises a device (13) for inserting a spring unit between a pair of webs (16), a device (26) for tightening or tensioning the webs about the spring unit, and a securing device for securing the webs together in close proximity to the compressed spring unit to encapsulate same. A method for encapsulating spring units is also disclosed.
申请公布号 US5303530(A) 申请公布日期 1994.04.19
申请号 US19920870628 申请日期 1992.04.17
申请人 SLUMBERLAND PLC 发明人 RODGERS, PAUL
分类号 A47C27/045;A47C27/06;B65B9/02;B68G9/00;(IPC1-7):B65B9/02;B65B61/24 主分类号 A47C27/045
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