B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
93/11, 220/15, 9
B65D 33/24 (2006.01) B29C 65/00 (2006.01) B29C 65/18 (2006.01) B29C 65/50 (2006.01) B29C 65/78 (2006.01) B29C 69/00 (2006.01) B31B 1/90 (2006.01)
Patent
CA 1326843
ABSTRACT OF THE DISCLOSURE A reclosable bag having an open end with a side margin adjacent the open end, a metal segment in the side margin having ends extending beyond the opening and a sealing tape overlying the metal strip for encapsulation thereof. Apparatus for manufacturing reclosable bags includes a continuous webbing of flexible bags joined end-to-end, a continuous roll of metal strip with an arrangement for forming the metal strip into discrete segments. A roll of adhesively coated sealing tape and an arrangement for positioning the sealing tape over a metal strip segment while applying the sealing tape to one end of a flexible bag. A method of forming the reclosable bags includes the steps of providing a serial succession of bags joined end-to-end, stretching a portion of each bag so as to be free of wrinkles, aligning a metal strip segment with the wrinkle-free portion of the bag and sealing the metal strip segment of the bag with a portion of sealing tape.
596630
Kraft Inc.
Macrae & Co.
LandOfFree
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