Bottles and jars – Closures – Shrinkable closure – fastener – or seal
Patent
1986-02-04
1987-09-08
Spruill, Robert L.
Bottles and jars
Closures
Shrinkable closure, fastener, or seal
53442, 53291, 53296, 53399, 53557, 53582, B65D 5502, B65B 1302
Patent
active
046918353
ABSTRACT:
A method and apparatus are disclosed for formation of a spirally-wound, heat-shrinkable tube from which a great multiplicity of tamper-evident bands can be cut for subsequent heat-shrinkable application to containers. A strip of strinkable material oriented primarily in the direction of its length is spirally-wound to form the tube from which the bands are severed, with heat-shrinkability of the tube and bands being primarily in a radial direction. The radial heat-shrinkability of the tube and bands assures proper heat-shrink fitment of the bands to associated containers for tamper indication, with the spirally-wound formation of the tube facilitating very economical fabrication of the tamper-evident bands.
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Guschky & Tonnesmann KG, West Germany; Brochure on Tube Winding Equipment and Techniques; 18 pages.
Spruill Robert L.
Weihrouch Steven P.
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