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Package for single film stack
   
Document Number
US Patent 4303160
Issued Date
December 1, 1981
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Abstract
A package which loads a stack of single films into an internally bladed daylight cassette, has a waisted middle part accommodating the stack, a strip for retaining the package in the cassette, a transverse weld following the retaining strip, a pull tab for pulling the package out of the cassette, a transverse weld in the pull tab and a pair of longitudinal welds in the upper and lower side of the pull tab with widened portions in the zone where the cassette blades enter, which welds continue to the transverse weld.
Drawing
Package for single film stack - US Patent 4303160 Drawing
Drawing from US Patent 4303160
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Number of Claims:
12
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Published
December 1, 1981
Application Number
05/922,012
Filed
July 5, 1978
US Classification
206/455  
Int'l Classification
B28B   13/02   (20060101)   B28B   13/00   (20060101)  
Priority Data
Jul 08, 1977 [DE] 2730881
USPTO Field of Search
206/449   206/555   206/454   206/455   206/456   206/438   206/439   206/440   206/441   206/484   206/484.1   206/484.2  
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Description
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