Patents by Inventor Martin John Charles Offa-Jones

Martin John Charles Offa-Jones 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).

  • Reclosable fasteners for plastics bags and other containers
    Patent number: 7318257
    Abstract: A zipper (10) for application to a film or web using cross-web techniques comprises two interengageable elements (12, 14), each having engageable hooks (20, 22), and each having an upstanding post (24) at the margin of the fastener which is engageable with a heel (28) at the opposing margin of the other element, with the respective posts (24) and heels (28) being complementarily angled (26) at their respective contact surfaces. This enables the closure more easily to resist pressure without distortion.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: January 15, 2008
    Assignee: Illinois Tool Works, Inc.
    Inventor: Martin John Charles Offa-Jones
  • Reclosable fasteners for plastics bags and other containers
    Patent number: 7249400
    Abstract: A reclosable fastener (10) comprising a male/female closure between a pair of opposed base members (18) has a single flange (16) for attachment of the closure to a web or film (34) on one only of the two base members. The fastener is attached initially to the film (34) by the single flange and then the fastener is additionally attached to the film (34) by heat and pressure applied in the region of attachment ribs (30) on the base members.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: July 31, 2007
    Assignee: Supreme Plastics Holding Ltd.
    Inventor: Martin John Charles Offa-Jones
  • Reclosable fasteners for plastics bags and the like
    Publication number: 20040148744
    Abstract: A reclosable fastener or zipper comprises interengageable male and female profile members (12, 16), each provided on a base (13, 17). One or both vases is/are provided with a lateral flange (18, 20, 22, 24). One or more of such flanges is/are provided with a pair of spaced, shallow convexities (28) with a layer of sealant material (30) co-extruded into the zone or zones between the convexities.
    Type: Application
    Filed: March 30, 2004
    Publication date: August 5, 2004
    Inventor: Martin John Charles Offa-Jones
  • Reclosable fasteners for plastics bags and other containers
    Publication number: 20020170156
    Abstract: A zipper (10) for application to a film or web using cross-web techniques comprises two interengageable elements (12, 14), each having engageable hooks (20, 22), and each having an upstanding post (24) at the margin of the fastener which is engageable with a heel (28) at the opposing margin of the other element, with the respective posts (24) and heels (28) being complementarily angled (26) at their respective contact surfaces. This enables the closure more easily to resist pressure without distortion.
    Type: Application
    Filed: July 11, 2002
    Publication date: November 21, 2002
    Inventor: Martin John Charles Offa-Jones
  • Reclosable fasteners for plastics bags and other containers
    Publication number: 20020162200
    Abstract: A reclosable fastener (10) comprising a male/female closure between a pair of opposed base members (18) has a single flange (16) for attachment of the closure to a web or film (34) on one only of the two base members. The fastener is attached initially to the film (34) by the single flange and then the fastener is additionally attached to the film (34) by heat and pressure applied in the region of attachment ribs (30) on the base members.
    Type: Application
    Filed: June 4, 2002
    Publication date: November 7, 2002
    Inventor: Martin John Charles Offa-Jones