Patents by Inventor Kenneth M. Sinnott

Kenneth M. Sinnott 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).

  • Tamper evident closure device
    Patent number: 4793499
    Abstract: A tamper evident closure device having a closure with an internally threaded skirt with a groove therein between radially outer and inner skirt portions to receive a tamper evident band having an inwardly extending bead which engages under a transfer ring of a container to hold the tamper evident band down and hence separate it from the closure as the closure is unscrewed from the container. A method of simultaneously stripping the closure and tamper evident band from a common mold core is also disclosed.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: December 27, 1988
    Assignee: Alfatechnic AG
    Inventors: Werner F. Dubach, Kenneth M. Sinnott
  • Screw closure
    Patent number: 4585135
    Abstract: A bottle closure comprises a cap moulded of a first plastics material includes a skirt having a step between a first inner surface portion and a second inner surface portion of the skirt, and a gasket of a second plastics composition covering a radially outer part of the inner surface of the cap end panel and also the first inner surface portion of the skirt and preferbly at least a part of the second inner surface portion, to achieve a combined side seal and top seal upon application of the closure to a bottle neck.
    Type: Grant
    Filed: February 27, 1985
    Date of Patent: April 29, 1986
    Assignee: W. R. Grace & Co.
    Inventor: Kenneth M. Sinnott
  • Sealing compositions
    Patent number: 4368828
    Abstract: Glass beads having a particle size of 1 to 200 microns are included as part or all of the filler in a sealing composition suitable for sealing container ends and which is made by dispersing a filler in a latex of a styrene butadiene or other rubbery polymer, optionally also containing a tackifying resin.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: January 18, 1983
    Assignee: W. R. Grace & Co.
    Inventors: David N. Samuel, Kenneth M. Sinnott
  • Sealing compositions
    Patent number: 4360120
    Abstract: Glass beads having a particle size of 1 to 200 microns are included as part or all of the filler in a sealing composition suitable for sealing container ends and which may be made by dispersing or dissolving solid styrene butadiene or other rubbery polymer and filler, and optionally also containing a tackifying resin, in a liquid medium.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: November 23, 1982
    Assignee: W. R. Grace & Co.
    Inventors: David N. Samuel, Kenneth M. Sinnott