Vacuum bags for high-pressure autoclave forming
TW202635470APending Publication Date: 2026-09-01KURARAY CO LTD
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Patent Information
- Application Number
- TW114143348
- Authority / Receiving Office
- TW · TW
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2025-03-03
- Filing Date
- 2025-11-06
- Publication Date
- 2026-09-01
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Abstract
This invention provides a vacuum bag for pressure vessel forming, which can reduce solid waste after pressure vessel forming and simplify the stripping operation. The vacuum bag for pressure vessel forming comprises a polyvinyl alcohol film with polyvinyl alcohol as the main component. The heat-treated film, formed by heating the aforementioned polyvinyl alcohol film at 130°C for 120 minutes, is completely dissolved in pure water at a temperature below 70°C.
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