B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/74 (2006.01) B29C 44/56 (2006.01) B29C 67/00 (2006.01)
Patent
CA 2184820
Apparatus and methods for simultaneous cutting and sealing the same cut edge of an open cell or porous edged sheeting or film in one step. The sheeting (22) may be pinch cut, shear cut, kiss cut, or die cut using various tool configurations.
L'invention se rapporte à un appareil et à des procédés permettant d'effectuer en une étape le découpage et la soudure simultanés du même bord coupé d'un matériau en feuille ou film à alvéoles ouvertes à bords poreux. La feuille (22) peut être découpée par pincement, cisaillement, effleurement ou à la forme, à l'aide d'outils de différentes configurations.
Luhman Robert A.
Mitchell James G.
Steiger Howard F.
Thompson Craig D.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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