Patents by Inventor John Stuart Greenwood

John Stuart Greenwood has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9242748
    Abstract: A device and method are disclosed for forming air filled cushions. The device includes a drive mechanism to move inflatable tubing through the apparatus, and an injector, optionally including an outlet, located continuously within, or within a portion of, the tubing. This arrangement can permit the formation of air filled cushions in a continuous stream. Also disclosed is a roll of plastic tubing that is sealed transversely at a succession of intervals, with each pair of seals stopping just short of a longitudinal center line of the tubing. Such tubing might be used in conjunction with the apparatus, the central gap between the seals allowing passage of the injector.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: January 26, 2016
    Assignee: PREGIS INNOVATIVE PACKAGING LLC
    Inventors: John Stuart Greenwood, Neil Glynn Price
  • Publication number: 20150158604
    Abstract: A device and method are disclosed for forming air filled cushions. The device includes a drive mechanism to move inflatable tubing through the apparatus, and an injector, optionally including an outlet, located continuously within, or within a portion of, the tubing. This arrangement can permit the formation of air filled cushions in a continuous stream. Also disclosed is a roll of plastic tubing that is sealed transversely at a succession of intervals, with each pair of seals stopping just short of a longitudinal center line of the tubing. Such tubing might be used in conjunction with the apparatus, the central gap between the seals allowing passage of the injector.
    Type: Application
    Filed: December 8, 2014
    Publication date: June 11, 2015
    Applicant: Pregis Innovative Packaging, Inc.
    Inventors: John Stuart GREENWOOD, Neil Glynn Price
  • Patent number: 8905110
    Abstract: A device and method are disclosed for forming air filled cushions. The device includes a drive mechanism to move inflatable tubing through the apparatus, and an injector, optionally including an outlet, located continuously within, or within a portion of, the tubing. This arrangement can permit the formation of air filled cushions in a continuous stream. Also disclosed is a roll of plastic tubing that is sealed transversely at a succession of intervals, with each pair of seals stopping just short of a longitudinal center line of the tubing. Such tubing might be used in conjunction with the apparatus, the central gap between the seals allowing passage of the injector.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: December 9, 2014
    Assignee: Pregis Innovative Packaging, Inc.
    Inventors: John Stuart Greenwood, Neil Glynn Price
  • Patent number: 8627637
    Abstract: Devices and methods for forming air pillows are described. In accordance with embodiments of the invention, an apparatus for manufacturing air-filled pillows from a tube material includes a plurality of support rollers, a drive means, an injector means, and a sealing means. The plurality of support rollers support a roll of a tube material along an outer circumferential extent of the roll, in which the tube material includes two opposing sheets joined along at least one longitudinal edge thereof. The drive means draws the tube material from the roll along the support rollers, the injector means injects air into an interior space between the two opposing sheets of the tube material drawn from the roll, and the sealing means seals the two opposing sheets together with the injected air entrapped in the interior space therebetween.
    Type: Grant
    Filed: September 13, 2004
    Date of Patent: January 14, 2014
    Assignee: Pregis Innovative Packaging, Inc.
    Inventors: John Stuart Greenwood, Neil Glynn Price
  • Publication number: 20130232913
    Abstract: A device and method are disclosed for forming air filled cushions. The device includes a drive mechanism to move inflatable tubing through the apparatus, and an injector, optionally including an outlet, located continuously within, or within a portion of, the tubing. This arrangement can permit the formation of air filled cushions in a continuous stream. Also disclosed is a roll of plastic tubing that is sealed transversely at a succession of intervals, with each pair of seals stopping just short of a longitudinal center line of the tubing. Such tubing might be used in conjunction with the apparatus, the central gap between the seals allowing passage of the injector.
    Type: Application
    Filed: April 29, 2013
    Publication date: September 12, 2013
    Applicant: Pregis Innovative Packaging, Inc.
    Inventors: John Stuart GREENWOOD, Neil Glynn PRICE
  • Patent number: 8430147
    Abstract: A device and method are disclosed for forming air filled cushions. The device includes a drive mechanism to move inflatable tubing through the apparatus, and an injector, optionally including an outlet, located continuously within, or within a portion of, the tubing. This arrangement can permit the formation of air filled cushions in a continuous stream. Also disclosed is a roll of plastic tubing that is sealed transversely at a succession of intervals, with each pair of seals stopping just short of a longitudinal center line of the tubing. Such tubing might be used in conjunction with the apparatus, the central gap between the seals allowing passage of the injector.
    Type: Grant
    Filed: August 24, 2009
    Date of Patent: April 30, 2013
    Assignee: Pregis Innovative Packaging, Inc.
    Inventors: John Stuart Greenwood, Neil Glynn Price
  • Publication number: 20100051202
    Abstract: A device and method are disclosed for forming air filled cushions. The device includes a drive mechanism to move inflatable tubing through the apparatus, and an injector, optionally including an outlet, located continuously within, or within a portion of, the tubing. This arrangement can permit the formation of air filled cushions in a continuous stream. Also disclosed is a roll of plastic tubing that is sealed transversely at a succession of intervals, with each pair of seals stopping just short of a longitudinal center line of the tubing. Such tubing might be used in conjunction with the apparatus, the central gap between the seals allowing passage of the injector.
    Type: Application
    Filed: August 24, 2009
    Publication date: March 4, 2010
    Applicant: Pregis Innovative Packaging, Inc.
    Inventors: John Stuart Greenwood, Neil Glynn Price
  • Patent number: 7578333
    Abstract: A device and method are disclosed for forming air filled cushions. The device includes a drive mechanism to move inflatable tubing through the apparatus, and an injector, optionally including an outlet, located continuously within, or within a portion of, the tubing. This arrangement can permit the formation of air filled cushions in a continuous stream. Also disclosed is a roll of plastic tubing that is sealed transversely at a succession of intervals, with each pair of seals stopping just short of a longitudinal center line of the tubing. Such tubing might be used in conjunction with the apparatus, the central gap between the seals allowing passage of the injector.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: August 25, 2009
    Assignee: Pregis Corporation
    Inventors: John Stuart Greenwood, Neil Glynn Price
  • Patent number: 6789376
    Abstract: A machine for the manufacture of air-filled pillows includes a mounting (14. 114) on which a roll (16) of thin-walled plastic tube is mounted, and a drive system (50. 150) to draw the flat-wound tube from the supply and to feed the tube intermittently through the machine. The machine includes an injection means (70, 74: 170, 174) operative intermittently to inject air into the space between upper and lower walls (16a, 16b) of the tube, and a sealing system (60, 160) downstream of the injection means, and which is operative intermittently to seal the upper and lower walls of the tube together, particularly around the aperture through which air has been injected, and to provide a tear-line between the adjacent pillows. The machine includes a separator member (20, 120) which may be located manually within the tube upstream of the injection means, a system (30, 130) being provided to maintain the separator member in an operative position within the machine during advancement of the tube through the machine.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: September 14, 2004
    Assignee: Pactiv Corporation
    Inventors: John Stuart Greenwood, Neil Glynn Price