Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container
Patent
1986-04-28
1988-02-23
Schmidt, Frederick R.
Manufacturing container or tube from paper; or other manufacturi
Container making
Pliable container
493229, 493230, 493238, 493266, 493917, 83 49, 83346, B31B 114
Patent
active
047268042
ABSTRACT:
A method and apparatus for fabricating continuous envelopes for use in connection with electronic data processing printers or the like is disclosed. The method and apparatus includes the steps of severing an advancing web along longitudinally spaced-apart transverse lines to provide straight completely severed segments and a non-severed medial segment. In a distinct step, the web is severed along non-linear lines adjacent to the transverse lines, with each non-linear line including a severed longitudinal segment and a severed bridging segment which extends in an oblique direction between the transverse line and the outer end of the associated longitudinal segment to provide a generally triangular cut-out which, when both are removed, yields an envelope backing panel having a tapered closure flap. Rectangular patch portions are then adhered to the formed envelope backing panels, and wherein a second continuous web is advanced and severed along alternating first and second lines to produce alternating envelope patch portions and scrap portions. The resulting patch portions are advanced, without interruption, and accurately applied to the advancing backing panels.
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Schmidt Frederick R.
Showalter Robert
Wesley Business Forms
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