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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0755083 (1985-07-15) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 15 인용 특허 : 2 |
This invention discloses a forming roller used in the production of air packaging or dunnage. This forming roller receives heated thermoplastic film brought to the peripheral surface and with vacuum draws this softened film into formed cavities to provide bubbles or blisters in said film. The roller
A forming roller for use with a heated thermoplastic film as brought to this forming roll and when in contact with an outer diameter surface portion of said roller is vacuum-shaped and cooled to bring this heated film to a condition whereat said film is weldable to another film, this roller includin
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