Manufacturing container or tube from paper; or other manufacturi – Container making – Rigid container
Patent
1989-05-01
1991-12-03
Schmidt, Frederick R.
Manufacturing container or tube from paper; or other manufacturi
Container making
Rigid container
493 67, 493 76, 493 84, 493344, 493379, B31B 182
Patent
active
050696580
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 means for making such boxes in a single machine from a supply of blanks of the opaque material and a roll of ungrooved plastic material. The machine comprises means for feeding of the opaque blanks, feeding of a length of the plastic material, means for least one groove in the length of plastic material, means for forming at cutting the grooved plastic material into sheets, and means for juxtaposing and joining the blanks of opaque material and the cut plastic sheets of material.
REFERENCES:
patent: 3048088 (1962-08-01), Fischer et al.
patent: 3292513 (1966-12-01), Palmer
Lavinder Jack
Schmidt Frederick R.
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