Laser for forming bags from a web of material

Details Laser for forming bags from a web of material Laser for forming bags from a web of material

2007-05-08

2007-05-08

Brittain, James R. (Department: 3677)

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

C024S435000, C219S121720, C493S214000, C493S383000

Reexamination Certificate

active

10021236

ABSTRACT:
A fastener includes first and second tracks. The first track includes a first profile, and the second track includes a second profile for interlocking with the first profile. The fastener extends between opposing ends. The first and second profiles at each of the opposing ends are sealed to each other using a laser. In one embodiment, the fastener is initially continuous and is subsequently divided into segments by simultaneously cutting and sealing the fastener at spaced target locations using the laser. The segments are associated with respective plastic bags. At each of the target locations, the laser directs a laser beam at the fastener such that the laser beam cuts through the first and second profiles and simultaneously seals the first and second profiles to each other on opposite sides of the cut. The seals on the opposite sides of the cut terminate respective ends of adjacent ones of the segments.

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