Manufacturing container or tube from paper; or other manufacturi – Container making – Rigid container
Patent
1995-06-07
1997-02-04
Lavinder, Jack W.
Manufacturing container or tube from paper; or other manufacturi
Container making
Rigid container
493 59, 493 67, 493 76, 493344, 493379, B31B 182
Patent
active
055992676
ABSTRACT:
The present invention relates to a method and apparatus for making display boxes having windows made of substantially rigid plastic material. The boxes comprise substantially rigid opaque material, such as paperboard, in combination with substantially rigid plastic material. The substantially rigid plastic material includes at least one fold line or groove which cooperates with a fold line in the opaque material when the box is set up. The present invention provides a method and apparatus for making such boxes from a supply of sheets of the opaque material and a supply of sheets of the plastic material. The method comprises the steps of supplying a sheet of opaque material with an opening, positioning a supplied sheet of plastic material into juxtaposition with the sheet of opaque material to cover the opening, adhering the plastic material to the opaque material, and forming groove lines in the plastic and opaque sheets to permit folding of the sheets along aligned groove lines.
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Klearfold, Inc.
Lavinder Jack W.
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