Patents Assigned to Vepa AG
  • Patent number: 4002783
    Abstract: The present disclosure is directed to a process for the production of a textile material length containing filling or bonding agents which are used in the production of synthetic leather which comprises impregnating the textile material with a thermo-sensibilized bonding or filling agent, heating said impregnated bonding or filling agent contact-free to a temperature at which the bonding agent coagulated and subjecting the textile material to subsequent treatment steps.
    Type: Grant
    Filed: November 4, 1974
    Date of Patent: January 11, 1977
    Assignee: Vepa AG
    Inventor: Heinz Fleissner
  • Patent number: 3997291
    Abstract: A process for the washing of printed textile materials includes the steps of wetting a printed material with a treatment liquor, allowing the wetted printed material to dwell in a steeping bowl containing a treatment liquor for several minutes in a folded state with the material moving slowly through the steeping bowl and removing substances loosened by the steeping treatment from the printed material in an intensive flow-through washing stage by passing the printed material over a perforated surface of a perforated drum means within a washing bowl.
    Type: Grant
    Filed: November 19, 1973
    Date of Patent: December 14, 1976
    Assignee: Vepa AG
    Inventor: Heinz Fleissner
  • Patent number: 3991236
    Abstract: The present invention is directed to an apparatus for coating a material length with a fluid substance which comprises a coating trough containing the fluid coating substance, a roller means rotatably mounted and adapted to be partially immersed in said fluid coating substance, the surface of the roller means and the edge of the trough defining an aperture for the dispensing of the fluid coating substance, said edge of the trough being provided with a liquid guiding element which extends in the downward direction from said edge and means for conveying the material length to be coated in close proximity to said liquor guiding element.
    Type: Grant
    Filed: May 24, 1972
    Date of Patent: November 9, 1976
    Assignee: Vepa AG
    Inventor: Hans Fleissner
  • Patent number: 3965511
    Abstract: A process for the continuous heat-setting and shrinking of synthetic fibers in the form of yarns with a given twist and/or in the form of tows with a forced crimp by means of a heated fluid medium with temperatures between 100.degree. and 220.degree.C, characterized in that the fibers are treated in a two-step continuous process, first at temperatures below 100.degree.C in water or saturated steam temperatures, or slightly superheated steam, respectively, and subsequently with air, superheated steam or a superheated steam-air mixture at high temperature conditions between 150.degree. and 220.degree. C.
    Type: Grant
    Filed: April 11, 1973
    Date of Patent: June 29, 1976
    Assignee: Vepa AG
    Inventor: Heinz Fleissner
  • Patent number: 3958925
    Abstract: A continuous process for the production of blends of fibers having two or more different colors which comprises passing a plurality of fiber slivers or strands of desired length together in mutually parallel relationship through at least one pair of printing rolls, and imprinting the fiber slivers or strands in one operating stage with different colorants in varying thicknesses and amounts, based on a unit length or unit area of said fiber slivers or strands.
    Type: Grant
    Filed: February 8, 1974
    Date of Patent: May 25, 1976
    Assignee: Vepa AG
    Inventor: Hans Fleissner
  • Patent number: 3949577
    Abstract: An apparatus for the continuous steaming of natural and/or synthetic material including textile material or man-made fiber material, e.g. staple fibers, endless material and also synthetic fibers, webs, bonds, yarns and the like, comprising at least one housing shaped similarly to a bell, i.e. a housing formed into a chamber closed all around and open in the downward direction toward a mounting surface, steam producing means and/or steam feeding means being provided in the zone of the sidewalls within said housing; and at least one conveying means for the fibrous material which extends from below into the housing and extends out of the housing again at the bottom thereof.
    Type: Grant
    Filed: February 4, 1974
    Date of Patent: April 13, 1976
    Assignee: Vepa AG
    Inventor: Hans Fleissner
  • Patent number: 3943734
    Abstract: The present disclosure is directed to an apparatus for the continuous treatment of fibrous and thread-like materials in the form of slivers, roving or fibrous ribbon wherein uniform treatment, for example, uniform dye application and uniform setting of the dyestuff is effectively achieved.
    Type: Grant
    Filed: April 29, 1974
    Date of Patent: March 16, 1976
    Assignee: Vepa AG
    Inventor: Heinz Fleissner
  • Patent number: 3934432
    Abstract: An apparatus for the continuous steaming, and more specifically shrinking, of fibrous material wherein a fibrous material is transported without tension on conveyor means through absolutely pure and air-free saturated steam within an open steamer housing defining a steam bell, the steam is caused to flow through the material, said saturated steam being produced under said steamer housing and owing to its relatively low specific weight automatically takes the place of the air which in its turn leaves the material owing to its higher specific weight.
    Type: Grant
    Filed: February 27, 1974
    Date of Patent: January 27, 1976
    Assignee: Vepa AG
    Inventor: Heinz Fleissner