Method and apparatus for opening and emptying bags containing recyclable materials
AssigneeNational Recovery Technologies, Inc.
InventorsEdward J. Sommer, Jr., Ronald A. Quarles
Life of this patent
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Abstract
A bag opener for opening bags containing recyclable materials includes a source of heat sufficient to melt the bags and an assembly that brings the bags into the vicinity of the source of heat to open the bags. In a preferred embodiment the source of heat includes a heated member and the assembly brings the bags into contact with the heated member to open the bags.
Claims2
A method of opening a sequence of bags having a non-uniform external contour and containing recyclable waste materials, said method comprising the steps of:
- (a) providing a source of heat sufficient to melt said bags having said non-uniform external contour without mechanically contacting said bags;
- and
- (b) conveying said sequence of bags having said non-uniform external contour past said source of heat to open said bags having said non-uniform external contour to expose said recyclable waste materials;
- wherein said source of heat is spaced apart from said bags and includes a laser directed at said bags.
A method of opening a sequence of bags having a non-uniform external contour and containing recyclable wste materials, said method comprising the steps of:
- (a) providing a source of heat sufficient to melt said bags having said non-uniform external contour without mechanical members contacting said bags;
- and
- (b) conveying said sequence of bags having said non-uniform external contour past said source of heat to open said bags having said non-uniform external contour to expose said recyclable waste materials;
- wherein said source of heat is spaced apart from said bags and includes a source of hot fluid which is directed at and impacts said bags.
Dependencies are inferred from the claim text.