Patents Represented by Attorney Fred I. Nathanson
  • Patent number: 4084466
    Abstract: Apparatus for automatically severing flexible, thin-walled tubing of indefinite length into a plurality of segments comprising in combination means for advancing a continuous length of thin-walled tubing about a mandrel; a restraining member adaptable to restrain the advance of the thin-walled tubing at a predetermined position on said mandrel intermediate the ends of the tubing; tensioning means adapted for engaging the thin-walled tubing that has advanced beyond said restraining member after said restraining menber restrains the advance of the tubing and for tensioning said tubing about said mandrel intermediate said restraining member and said tensioning means; and at least two severing means mounted uniformly about said mandrel and adapted for being radially moved into and out of severing engagement with the thin-walled tubing about said mandrel intermediate said restraining member and said tensioning means.
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: April 18, 1978
    Assignee: Union Carbide Corporation
    Inventors: Frank Sipusic, Arthur L. Sheridan
  • Patent number: 4070729
    Abstract: A hollow shirred casing stick is provided having the terminal pleats of one end thereof twisted into a funnel-like configuration at least a portion of which is implanted within said hollow stick to form an end closure. An end closure may be formed in a shirred casing stick by twisting the terminal pleats of a shirred casing stick into said stick about a rod member inserted therein. A device is also provided for forming an end closure in a hollow shirred casing stick comprising in combination a red member that is insertable in the end of a hollow shirred casing stick and retractable from within an end closure formed thereabout and a rotatable, twisting member disposed about the rod member for engaging and twisting the terminal pleats of a hollow shirred casing stick about the rod member inserted in the end of a shirred stick.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: January 31, 1978
    Assignee: Union Carbide Corporation
    Inventors: Valdis M. Tums, Thomas J. Maxwell