发明名称 Pocketed coil strings having a flat overlap side seam
摘要 An encapuslated spring for use with mattresses, cushions, or the like, including a spring enclosed within flexible sheet material, the material being formed in a tubular configuration such that its longitudinal edges are in a flat overlap configuration. The flat overlap configuration reduces a phenomenon known as false loft.
申请公布号 US4986518(A) 申请公布日期 1991.01.22
申请号 US19890354482 申请日期 1989.05.19
申请人 SIMMONS U.S.A. CORPORATION 发明人 STUMPF, WALTER
分类号 B68G9/00 主分类号 B68G9/00
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