Strip Patents (Class 112/152)
  • Patent number: 4009674
    Abstract: This invention relates to a method and apparatus for handling tape, such as knit or woven tape employed in the manufacture of zippers, and is more particularly directed to an improved apparatus and method for reeling and dereeling tape.
    Type: Grant
    Filed: June 25, 1975
    Date of Patent: March 1, 1977
    Assignee: Coats & Clark, Inc.
    Inventor: Charles Ray Ladd
  • Patent number: 3974785
    Abstract: A multiple-needle sewing machine has a presser foot and first and second feed dogs for an upper and a lower layer of the carrier material into a slit of which this slide fastener is to be sewn. An arm is mounted on the sewing machine and can pivot in a horizontal plane between a position in which the material and the slide fastener are placed onto the arm and maintained in a predetermined relationship relative to one another, and a second position in which the material and the slide fastener are supplied, while still being maintained in this predetermined relative position, to the feed dogs which engage the material and advance it as the sewing machine sews the slide fastener to the material.
    Type: Grant
    Filed: December 19, 1974
    Date of Patent: August 17, 1976
    Assignee: William Prym-Werke KG
    Inventors: Hansjurgen Pickert, Dieter Sesselmann
  • Patent number: 3973507
    Abstract: A work guide apparatus for a sewing machine providing a plate moveable in guided engagement with guide means attached to a base surface of the sewing machine. The plate carries a work piece along a path of motion relative to the sewing machine needle, with plate movement being limited by adjustable stop means to correspondingly limit the stitching length. Gauge means extending across the plate accommodates positioning portions of the work piece in a selected spatial relation to a reference line on the plate to control the location of the stitching as required in tacking, pleating, measuring and sizing of draperies.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: August 10, 1976
    Inventor: Joseph P. Sambus
  • Patent number: 3972296
    Abstract: A device for inserting a ribbon beneath the presser foot of a sewing machine for application to a workpiece and for cutting off said ribbon to predetermined length cyclically by automatic or semiautomatic means. The ribbon is fed continuously to the sewing machine during the stitching operation.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: August 3, 1976
    Assignee: Rockwell-Rimoldi S.p.A.
    Inventor: Nerino Marforio