Manufacturing container or tube from paper; or other manufacturi – Bending – Form-scoring
Patent
1979-04-30
1981-03-17
Baldwin, Robert D.
Manufacturing container or tube from paper; or other manufacturi
Bending
Form-scoring
B31B 120
Patent
active
042560268
ABSTRACT:
A machine tool for stamping and grooving paperboard for forming folding blanks which includes a die plate of fiber-reinforced, hard paper provided with marginal edges, ribs and grooves formed by means of program-controlled tools and having alignment openings for receiving alignment pins, the die plate being adhesively secured to one of the machine stamping plates.
REFERENCES:
patent: 4112827 (1978-09-01), Kang
Baldwin Robert D.
Firma Karl Marbach GmbH
Greigg Edwin E.
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