发明名称 |
Anti-pucker presser foot |
摘要 |
The invention provides a method of and a device for reducing pucker between layers of sheet material during a sewing process wherein an upper layer and a lower layer of material are fed to a stitch formation zone by means of a reciprocating lower feed-dog which engages the lower layer of the material and a first presser foot which overlies the feed-dog and urges the layers of material towards the feed-dog; comprises the steps of tensioning the lower layer of material relative to the upper layer of material in the zone which precedes the stitch formation zone.
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申请公布号 |
US5335612(A) |
申请公布日期 |
1994.08.09 |
申请号 |
US19930020667 |
申请日期 |
1993.02.22 |
申请人 |
PATHOLD INVESTMENTS COMPANY LIMITED |
发明人 |
CIZEK, JAROMIR;GALUSZYNSKI, STANISLAW |
分类号 |
D05B27/00;D05B;D05B29/08;D05B35/00;(IPC1-7):D05B29/06;D05B75/00 |
主分类号 |
D05B27/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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