Method of fabricating an adsorbent packet with integral heat shi

Details Method of fabricating an adsorbent packet with integral heat shi Method of fabricating an adsorbent packet with integral heat shi

1991-04-22

1992-06-09

Spruill, Robert L.

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

53410, B65B 4700

Patent

active

051196166

ABSTRACT:
An adsorbent packet including a casing of permeable material, adsorbent in the casing, and a sleeve of metal foil fused to a central portion of the casing by ultrasonic welding and having a layer of nylon on the outside thereof. A method of fabricating an adsorbent packet including the steps of superimposing a first sheet of permeable material over a first sheet of metal foil, superimposing a second sheet of metal foil over a second sheet of permeable material, forming the first sheets into a pocket with the metal foil on the outer surface of the central portion thereof, filling the pocket with adsorbent, superimposing the second sheet of permeable material and the second sheet of metal foil over the pocket with the second sheet of metal foil on the outside thereof and in line with the first sheet of metal foil, sealing edge portions of all of the first and second sheets to form a casing containing adsorbent with a metal foil sleeve on the outside thereof and with a seam extending copmletely around the casing, and trimming the flash off of the material outside of the seam.

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patent: 4614076 (1986-09-01), Rathemacher
patent: 4683702 (1987-08-01), Vis
patent: 4687336 (1989-09-01), Stewart

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