Package making – Interrelated or safety controls
Patent
1974-09-25
1976-03-09
McGehee, Travis S.
Package making
Interrelated or safety controls
53 33, 53204, 53228, B65B 1108
Patent
active
039422984
ABSTRACT:
An annular object is disposed between upper and lower thermally fusible thermoplastic foils which are pushed together and cut away in an annular weld seam by a pair of tool halves brought vertically together in the central opening of the object. The lower tool half fits between a pair of spaced-apart transport bands which serve to carry the packaged object away after its center is cut out. The object can be supported above the bands on a fork so that the two tool halves can be brought together at a plane in the middle of the thickness of the object. If the object rests on the bands, the upper foil is deformed downwardly to the level of the undeflected bottom foil so that the lower foil is not deformed and ripped.
REFERENCES:
patent: 2553871 (1951-05-01), Sandberg
patent: 2695483 (1954-11-01), Toews
patent: 2954863 (1960-10-01), Staples
patent: 3127722 (1964-04-01), Schoder
patent: 3191356 (1965-06-01), Zelnick
patent: 3203543 (1965-08-01), Taylor
patent: 3564810 (1971-02-01), Faletti
patent: 3585776 (1971-06-01), Euwe
patent: 3589913 (1971-06-01), Rosenberg
patent: 3736722 (1973-06-01), Rosenberg
patent: 3766708 (1973-10-01), Kubo
Benz Gottlieb
Matzinger August
Dubno Herbert
McGehee Travis S.
Ross Karl F.
Sipos John
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