Patents Assigned to Kaysersberg
  • Impregnation procedure for a textile sheet
    Patent number: 5509161
    Abstract: The procedure for impregnating a woven or non-woven, knit, fiber sheet with an aqueous liquid, in particular of the kind containing a treatment agent, is characterized in that it consists of: (i) depositing the sheet 6 on a liquid-permeable, endless cloth 4, (ii) pouring by gravity the liquid in the form of a curtain or lamina onto the sheet and transversely to the direction of advance of this sheet, (iii) generating by means of a vacuum slit 13 mounted underneath the cloth sufficient pressure drop that at least part of said liquid shall pass through the sheet, the rate of poured liquid as defined in relation to the weight of the sheet moving underneath said curtain exceeding a specific value beyond which the entrainment rate is a function of said pressure drop but independent of the amount poured so as to make possible homogeneous impregnation and easy control of the entrainment rate.
    Type: Grant
    Filed: December 9, 1992
    Date of Patent: April 23, 1996
    Assignee: Kaysersberg
    Inventors: Jean-Louis Neveu, Didier Dumas
  • Marked multi-ply paper sheets and method and equipment for their manufacture
    Patent number: 5443889
    Abstract: A paper sheet having several distinct layers comprised of at least two plies of paper glued together in discrete areas and characterized by having patterns which correspond to areas of reduced thickness on both outer surfaces of the plies of paper.
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: August 22, 1995
    Assignee: Kaysersberg
    Inventors: Remy Ruppel, Pierre Laurent, Joel Hungler
  • Method of manufacturing homogeneous non-woven web
    Patent number: 5375306
    Abstract: The invention relates to a method for forming a hydraulically bound web. A homogeneous mixture of wood pulp and synthetic fibers is blown on a forming surface. The web has a mixture of at least 70% wood pulp by weight of the mixture. The web is subjected to hydraulic bonding to form a stable fabric. The web is further heated to a temperature to cause partial melting of the synthetic fibers and further bonding of the fabric.
    Type: Grant
    Filed: June 8, 1992
    Date of Patent: December 27, 1994
    Assignee: Kaysersberg
    Inventor: Yves Roussin-Moynier
  • Method for printing-embossing paper sheets
    Patent number: 5339730
    Abstract: A method for printing and embossing sheets of paper made of cellulose wadding and with two or more plies, characterized in that one of the plies is directly printed on the embossing roller using one or more printing systems mounted on the embossing systems, and in that this ply is associated with another embossed and glue-sized ply to form a sheet in such manner that the print inks are located on the sheet's inner side between the two or more plies.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: August 23, 1994
    Assignee: Kaysersberg
    Inventors: Remy Ruppel, Joel Hungler, Pierre Laurent