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2. Vacuum bag moulding - Wikipedia

   en.wikipedia.org/wiki/Vacuum_bag_moulding

   Vacuum bag. It is built of strong rubber -coated fabric or a polymer film used to compress the part during cure or hardening. In some purposes, the bag encloses the entire material, or in other purposes, a mould is used to form one face of the laminate with the bag being a single layer to seal to the outer edge of the mould face.

3. Vacuum assisted resin transfer molding - Wikipedia

   en.wikipedia.org/wiki/Vacuum_assisted_resin...

   Vacuum Assisted Resin Transfer Molding (VARTM) or Vacuum Injected Molding (VIM) is a closed mold, out of autoclave (OOA) composite manufacturing process. VARTM is a variation of Resin Transfer Molding (RTM) with its distinguishing characteristic being the replacement of the top portion of a mold tool with a vacuum bag and the use of a vacuum to assist in resin flow.

4. Composite repair - Wikipedia

   en.wikipedia.org/wiki/Composite_repair

   The vacuum bag technique involves the placing and sealing of a flexible bag over a composite lay-up and evacuating all the air from under the bag as schematically shown in Figure 6. Figure 6: Left: Details of vacuum bag lay-up. Right: Vacuum bag sealing and vacuum application results in atmospheric pressure on the repair region (prepreg)

5. Vacuum packing - Wikipedia

   en.wikipedia.org/wiki/Vacuum_packing

   Sealed food alongside a home vacuum sealer and plastic rolls used for sealing. Vacuum packing is a method of packaging that removes air from the package prior to sealing. This method involves placing items in a plastic film package, removing air from inside and sealing the package. [1] Shrink film is sometimes used to have a tight fit to the ...

6. Pressure bag moulding - Wikipedia

   en.wikipedia.org/wiki/Pressure_bag_moulding

   Pressure bag moulding is a process for moulding reinforced plastics. This process is related to vacuum bag molding. Procedure. A solid female mold is used along with a flexible male mold. The reinforcement is placed inside the female mold with just enough resin to permit the fabric to stick in place (wet lay-up).

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