Patents by Inventor Marcel Buisson

Marcel Buisson 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).

  • Method and apparatus for the transverse folding of a continuous tubular sleeve
    Patent number: 4106398
    Abstract: A method and apparatus for transversely folding a continuous tubular sleeve onto a mandrel are disclosed. The sleeve of thermoplastic material is fed onto a diametrically collapsible mandrel and folded into concentric layers from one end of the mandrel toward the other until the desired number of concentric layers are formed.
    Type: Grant
    Filed: November 29, 1976
    Date of Patent: August 15, 1978
    Inventor: Marcel Buisson
  • Packaging using a sheath folded onto a mandrel
    Patent number: 3974912
    Abstract: A packaging material comprising a continuous length of flexible tubular material having a multiplicity of folds alternating at opposite ends to form concentrically superimposed layers of annular plies of the material. The superimposed layers can be staggered in the axial direction or aligned. In one embodiment, the end of the material which is closer to the outer layer is folded over the plies and extends through the interior of the inner sheath.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: August 17, 1976
    Inventor: Marcel Buisson