Patents by Inventor Edward D. Arch

Edward D. Arch 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).

  • Sealant cartridge under pressure during storage
    Patent number: 5139178
    Abstract: A cartridge intended for depositing a sealant composition with an extrusion device such as an extrusion gun is improved by exerting a constant pressure on a plunger during storage. The cartridge is a tube with an exit port on one end and a plunger on the other end where a pressure portion having a removable resilient element transmits a constant force to the composition through the plunger. The resilient element is removed before the cartridge is placed in the extrusion gun.
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: August 18, 1992
    Assignee: Dow Corning S.A.
    Inventors: Edward D. Arch, Heinz M. Schmitt
  • Sealant cartridge with resilient bellows
    Patent number: 5088630
    Abstract: A cartridge intended for depositing a sealant composition with an extrusion device such as an extrusion gun is improved by exerting a constant pressure on a plunger during storage. The cartridge is a tube with an exit port on one end and a plunger on the other end where a pressure portion having a removable resilient element transmits a constant force to the composition through the plunger. The resilient element is removed before the cartridge is placed in the extrusion gun.
    Type: Grant
    Filed: October 22, 1990
    Date of Patent: February 18, 1992
    Assignee: Dow Corning S.A.
    Inventors: Edward D. Arch, Heinz M. Schmitt