Sewing – Method of sewing – On specified product
Reexamination Certificate
2007-10-11
2009-10-06
Izaguirre, Ismael (Department: 3765)
Sewing
Method of sewing
On specified product
C112S002100, C112S117000, C112S470120
Reexamination Certificate
active
07597059
ABSTRACT:
The present invention relates to a method for producing a large sewn product, such as a mattress panel or a quilt, having two stitched seams created by a sewing device, moving transversely to the direction of feed, between two adjacently arranged sewn products. The material between said seams is subsequently cut by the sewing unit, located within the sewing device. The apparatus comprises a conveyor mechanism, a sewing device consisting of a sewing unit with at least two needles, a gripper box with grippers allocated to said needles, a tape-like element, a cutting element, and a storage mechanism. By guiding the sewing unit along a first guide means, and by guiding the gripper box along a second guide means, and synchronizing both, material can be cut and sewn on the rim without tension, thereby improving current methods by avoiding sewing inaccuracies and eliminating their subsequent remedies.
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Izaguirre Ismael
Jones John Wilson
Jones & Smith, LLP
Nahmaschinenfabrik Emil Stutznacker GmbH & Co. KG
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