Patents Assigned to Papeteries et Cartonneries de Lorraine
  • Cap for protecting pipe ends, and a cutout blank for making the cap
    Patent number: 4777985
    Abstract: The blank has a rectangular body (1) which becomes the skirt of the cap when in use, with complementary fastening means (2, 3), a first fold groove (7) along one edge followed by a strip (5), a further fold groove (8) and a plurality of tongues (6), cutout slots (9) running from the first fold groove (7) to give each tongue (6) an edge which terminates in a truncated point (11A) which fastens in the in-use position to the adjacent edge of the adjacent tongue in order to protect the inside face of a pipe.
    Type: Grant
    Filed: July 23, 1987
    Date of Patent: October 18, 1988
    Assignee: Papeteries et Cartonneries de Lorraine
    Inventors: Serge A. Arduini, Jean-Michel Hinzelin