Method and apparatus for producing continuous band...

Details Method and apparatus for producing continuous band... Method and apparatus for producing continuous band...

E - Fixed Constructions

06

B

154/30.01, 154/7

E06B 9/266 (2006.01) B29C 69/00 (2006.01) B31D 3/02 (2006.01) B32B 3/12 (2006.01) E06B 9/386 (2006.01)

Patent

CA 2036188

A method and apparatus for forming expandable and collapsible shielding material wherein adhesive is applied to one side of a flat tubular strip 10 which is wound around support rolls 24,26, the adhesive bonds together successive layers of strip to form a continuous loop 22 of stacked strip. During the winding of the strip, the strip is maintained in a flat, straight condition for a time sufficient to allow the adhesive to achieve an initial set, thereby preventing the final product from having a curved set. After the desired number of layers are wound into the loop, the loop is removed and cut through at one point to form a single, straight stacked section of definite length which is expandable and collapsible to form a shielding or insulating material having parallel hollow cells running perpendicular to the direction of expansion and collapse.

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