Method and apparatus for forming the side panel of a mattress sack
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United States of America Patent
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Sep 9, 1997
Grant Date -
N/A
app pub date -
Mar 21, 1996
filing date -
Mar 21, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for forming a side panel for a mattress sack or a box spring enclosure. The apparatus includes a double needle sewing machine and a guide for the ends of the folded side panel which are being stitched together which aligns and guides the ends through the stitching area. Photocells are provided to start and stop the stitching process. The method includes the step of stopping the stitching process after a predetermined number of stitches if light from a second photocell in the feed direction is not interrupted within a predetermined number of stitches.
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Family
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Cited Art Landscape
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