Anti-pucker presser foot
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United States of America Patent
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-
Aug 9, 1994
Issued Date -
N/A
app pub date -
Feb 22, 1993
filing date -
Feb 2, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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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