Controlled temperature film sealing apparatus

Details Controlled temperature film sealing apparatus Controlled temperature film sealing apparatus

B - Operations, Transporting

29

C

156/18, 226/65,

B29C 65/02 (2006.01) B29C 65/22 (2006.01) B31B 1/64 (2006.01) B65B 9/02 (2006.01) B65B 51/26 (2006.01) B29C 65/00 (2006.01)

Patent

CA 1281977

CONTROLLED TEMPERATURE FILM SEALING APPARATUS Abstract of the Disclosure An improved apparatus to form seals in flexible plastic polymer wrapping film is provided. The improved apparatus contains a controlled temperature heating wire which provides the heat required to form the seals. The temperature of the heating wire is controlled by a controller which responds to the electrical resistance of the heating wire. The apparatus is energy efficient in comparison to prior film sealing devices, and may be readily adjusted to provide suitable sealing conditions.

501497

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