Patents by Inventor Alain Benichou

Alain Benichou 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).

  • Strings for tennis rackets and rackets equipped with same
    Patent number: 4530206
    Abstract: A string for a tennis racket and having a composite cross-section structure aving a central reinforcing core comprising twisted Kevlar aromatic polyamide and glass yarns or Kevlar aromatic polyamide yarns, this core layer having a peripheral protective coating of a polyamide.
    Type: Grant
    Filed: September 2, 1983
    Date of Patent: July 23, 1985
    Assignee: Societe Anonyme D'Explosifs et de Produits Chimiques & Max Siguier
    Inventors: Alain Benichou, Max Siguier
  • Bedding anchorage rods
    Patent number: 4326890
    Abstract: A composition, cartridge, and process for bedding anchorage rods, particularly in mine galleries.A mixture of silicate solution and sand/powdered silica are provided in one chamber of an anchoring cartridge. A breakable liner is provided in the cartridge between the mixture and a portion of plaster to be admixed therewith. The cartridge is placed in position and the anchorage rod is inserted thereby breaking the liner and securing the rod in place.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: April 27, 1982
    Inventor: Alain Benichou
  • Process for positioning strengthening rods in mine levels and public works
    Patent number: 4286899
    Abstract: Strengthening rods are positioned in mine levels and public works by introducing into a long bore made in a wall or other surface to be strengthened, a thermosetting resinous composition and a metal rod of substantially the same length as the bore, and rotating the rod at a rotation speed which causes it to heat up by friction with the composition to the hardening temperature of the composition so as to cause the rod to be sealed in the bore by the hardening of the composition.
    Type: Grant
    Filed: September 25, 1980
    Date of Patent: September 1, 1981
    Assignees: S.A.E.I. Celite, Societe d'Etude et de Construction de Machines pour Toutes Industries SECOMA
    Inventors: Alain Benichou, Raymond J. Perraud