Vacuum Bag Free Patent Search

  • Low flow, vacuum bag curable prepreg material for high performance composite systems

    Vacuum Bag Abstract: A composite prepreg material comprising a carboxy-terminated polybutadiene, an epoxy novolak resin, a carboxylic acid accelerator and an epoxy catalyst. When reinforced with well known reinforcing fibers or filaments, the materia...

  • Vacuum bag for wound drainage

    Vacuum Bag Abstract: A vacuum bag assembly for wound drainage which utilizes a bag of thin flexible plastic in the form of an initially flat sealed envelope having opposed walls with sealed side edges and end edges and having a sealed catheter to pro...

  • Vacuum bag process and apparatus

    Vacuum Bag Abstract: A vacuum chamber has a port communicating with the interior of the chamber, and a blower and ducting for selectively establishing a vacuum within the chamber. A partially completed bag of seamed panel construction is placed with...

  • Vacuum bag used in making laminated products

    Vacuum Bag Abstract: A vacuum bag is established by affixing a raised ribbing inside the boundaries of a solid surface. The raised ribbing forms a closed configuration such as a rectangle or circle. A stretchable material is pulled tautly over the su...

  • Flexible vacuum bag

    Vacuum Bag Abstract: A flexible vacuum bag for use in the lamination of glass sheets with an interposed layer of thermoplastic material, said bag having one initially open edge through which the laminations are introduced, and magnetic means for seal...

  • Vacuum bag cleaning system

    Vacuum Bag Abstract: A vacuum cleaner bag cleaning system that provides a receptacle compartment having a removable top wall having a cylindrical cleaning member extending through it into the compartment for holding an inverted cloth vacuum bag. An e...

  • Vacuum bag filler

    Vacuum Bag Abstract: A bag filling machine is provided for filling bags with a finely divided particulate material from a hopper wherein the material in the hopper is partially fluidized and is injected into a bag through a nozzle with a blast of air...

  • Vacuum bag attachment device

    Vacuum Bag Abstract: A vacuum cleaner bag which comprises a bag for receiving and retrieving dirt and debris picked up by a vacuum cleaner. The bag fabric at the open end of the bag is firmly attached to a semi-elastic circular band having a raised m...

  • Vacuum bag sealing system

    Vacuum Bag Abstract: The invention is a vacuum bag sealing system for the manufacturing of composite structures and the like in a mold. In detail, the system comprises a base plate for mounting the mold. A first Teflon coated sealing surface is bonde...

  • Silicone rubber vacuum bag tool and method of fabricating same

    Vacuum Bag Abstract: A vacuum bag tool utilizing a silicone rubber sheet as the bag. The silicone rubber sheet has four edges and a strip of silicone elastomer material adhered by curing to a surface of the sheet along each edge. On each strip of sil...

  • Composite vacuum bag material having breather surface

    Vacuum Bag Abstract: A composite vacuum bag material includes a flexible fabric of polymeric material having a void free layer of elastomer bonded to one side. The exposed fabric surface, treated with a release agent provide air passageways when appl...

  • Silicone rubber vacuum bag tool

    Vacuum Bag Abstract: A vacuum bag tool utilizing a silicone rubber sheet as the bag. The silicone rubber sheet has at least one edge and a strip of silicone elastomer material adhered by curing to a surface of the sheet along each edge. On each strip...

  • Molded vacuum bag for debulking and autoclaving laminates of complex shapes

    Vacuum Bag Abstract: Methods are disclosed for forming silicone rubber vacuum bag assemblies which can be used repeatedly to debulk and autoclave composite layups. These bags can be formed of a single layup of uncured silicone rubber over a tool of a...

  • Method of reusably sealing a silicone rubber vacuum bag to a mold for composite manufacture

    Vacuum Bag Abstract: A silicone rubber vacuum bag for use in composite article manufacture is reusably sealed to a mold, without mechanical clamping means. The mold-mating portion of the bag is primed with a silicone rubber adhesive, which is cured t...

  • Vacuum bag tooling apparatus with inflatable seal

    Vacuum Bag Abstract: An apparatus for forming composite members has a frame assembly which is lowered onto a table. A sheet of vacuum bagging material, supported by the frame, covers a tooling surface on the table. Attached to the sheet is a downward...

  • Deodorizing vacuum bag with static protection

    Vacuum Bag Abstract: A vacuum cleaner bag of porous material includes a substrate impregnated with anti-static and deodorizing agents. The substrate may also be impregnated with disinfecting agents. Preferably, the substrate is attached to the bag. V...

  • Vacuum bag probe

    Vacuum Bag Abstract: An improved vacuum bag probe has a top section and a base section which are manufactured from inexpensive stamped materials. A threaded, axially movable and rotatably fixed engagement mechanism is provided which resists wear but...