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公开(公告)号：US20200178699A1
公开(公告)日：2020-06-11
申请号：US16707588
申请日：2019-12-09
IPC分类号： A47C27/06 , B21F35/00 , B21F33/04 , B21F23/00 , B68G9/00 , B21F27/16 , B23P21/00 , B23P19/12 , B23P19/00
摘要： A system for manufacturing a string of pocketed coil springs comprising: a coil-forming subsystem that produces two coil springs; a spring transporter subsystem that receives the two coil springs at a first position and conveys the two coil springs to a second position; a spring compressor subsystem that compresses the two coil springs; a fabric-folding subsystem that receives a piece of fabric and folds the fabric to create an open side; a spring inserter subsystem that receives the two compressed coil springs and inserts the two compressed coil springs between top and bottom surfaces of a folded piece of fabric; two welder subsystems that form first and second welds between top and bottom surfaces of the folded piece of fabric, the first welds and the second welds forming a plurality of pockets in the fabric, each of the plurality of pockets comprising a compressed coil spring.
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公开(公告)号：US11160388B2
公开(公告)日：2021-11-02
申请号：US16707588
申请日：2019-12-09
IPC分类号： B23P19/00 , B23P19/12 , B23P21/00 , A47C27/06 , B21F27/16 , B68G9/00 , B21F23/00 , B21F33/04 , B21F35/00 , F16F3/04
摘要： A system for manufacturing a string of pocketed coil springs comprising: a coil-forming subsystem that produces two coil springs; a spring transporter subsystem that receives the two coil springs at a first position and conveys the two coil springs to a second position; a spring compressor subsystem that compresses the two coil springs; a fabric-folding subsystem that receives a piece of fabric and folds the fabric to create an open side; a spring inserter subsystem that receives the two compressed coil springs and inserts the two compressed coil springs between top and bottom surfaces of a folded piece of fabric; two welder subsystems that form first and second welds between top and bottom surfaces of the folded piece of fabric, the first welds and the second welds forming a plurality of pockets in the fabric, each of the plurality of pockets comprising a compressed coil spring.
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公开(公告)号：US11154141B2
公开(公告)日：2021-10-26
申请号：US16707691
申请日：2019-12-09
IPC分类号： B23P19/00 , B23P19/12 , B23P21/00 , B68G9/00 , A47C27/06 , B21F27/16 , B21F23/00 , B21F33/04 , B21F35/00 , F16F3/04
摘要： A system for manufacturing a string of pocketed coil springs comprising: a coil-forming subsystem that produces two coil springs; a spring transporter subsystem that receives the two coil springs at a first position and conveys the two coil springs to a second position; a spring compressor subsystem that compresses the two coil springs; a fabric-folding subsystem that receives a piece of fabric and folds the fabric to create an open side; a spring inserter subsystem that receives the two compressed coil springs and inserts the two compressed coil springs between top and bottom surfaces of a folded piece of fabric; two welder subsystems that form first and second welds between top and bottom surfaces of the folded piece of fabric, the first welds and the second welds forming a plurality of pockets in the fabric, each of the plurality of pockets comprising a compressed coil spring.
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公开(公告)号：US20200178700A1
公开(公告)日：2020-06-11
申请号：US16707691
申请日：2019-12-09
IPC分类号： A47C27/06 , B21F35/00 , B21F33/04 , B21F23/00 , B68G9/00 , B21F27/16 , B23P21/00 , B23P19/12 , B23P19/00
摘要： A system for manufacturing a string of pocketed coil springs comprising: a coil-forming subsystem that produces two coil springs; a spring transporter subsystem that receives the two coil springs at a first position and conveys the two coil springs to a second position; a spring compressor subsystem that compresses the two coil springs; a fabric-folding subsystem that receives a piece of fabric and folds the fabric to create an open side; a spring inserter subsystem that receives the two compressed coil springs and inserts the two compressed coil springs between top and bottom surfaces of a folded piece of fabric; two welder subsystems that form first and second welds between top and bottom surfaces of the folded piece of fabric, the first welds and the second welds forming a plurality of pockets in the fabric, each of the plurality of pockets comprising a compressed coil spring.
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公开(公告)号：US20170360213A1
公开(公告)日：2017-12-21
申请号：US15534611
申请日：2015-12-09
CPC分类号： A47C27/064 , B21F23/007 , B21F27/16 , B21F33/04 , B21F35/003 , B23P19/008 , B23P19/12 , B23P21/006 , B68G9/00 , F16F3/04 , Y10T29/49613 , Y10T29/53383
摘要： An exemplary embodiment provides a method of manufacturing a string of pocketed spring coils comprising: simultaneously making at least two spring coils; simultaneously transporting the at least two spring coils to a compressor: simultaneously compressing the at least two spring coils; simultaneously inserting the at least two compressed spring coils between top and bottom plies of a piece of fabric; welding the top and bottom plies of the fabric along an edge of the folded fabric parallel to the longitudinal axis of the fabric and opposite the folded edge of the fabric; welding the top and bottom plies of the fabric along lines transverse to the longitudinal axis of the fabric between each of the compressed spring coils to create a plurality of pockets, each pocket encompassing a compressed spring coil; and expanding each of the compressed spring coils within each of the plurality of pockets.
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