Package making – With cover material production
Patent
1985-11-14
1987-04-07
Sipos, John
Package making
With cover material production
118261, 101363, B65B 4700
Patent
active
046550275
ABSTRACT:
Apparatus for forming a web of predetermined thickness from a molten material. The apparatus includes a rotatable cylindrical drum having a cylindrical gel forming surface thereon, and first and second cylindrical support surfaces thereon, the first and second cylindrical support surfaces being spacedly positioned along the axis of rotation of the drum on opposite sides of the gel forming surface and being concentric with the cylindrical gel forming surface. A support assembly is provided for riding on the first and second cylindrical support surfaces as the drum rotates, and a molten material supply box is supported by the support assembly for depositing molten material onto the rotatable cylindrical drum as the drum is rotated. A blade is carried by the supply box so as to be spaced from the gel forming surface on the drum for spreading deposited molten material to form a continuous layer of material on the gel forming surface of the drum as the drum rotates therepast, the spacing of the blade from the gel forming surface controlling the thickness of the continuous layer of material formed thereon. Adjustment mechanisms are carried by the support assembly and are operative to adjust the position of the supply box relative to the cylindrical support surfaces of the drum to thereby control the spacing of the blade carried by the supply box from the gel forming surface of the drum to correspond to the predetermined thickness of the web.
REFERENCES:
patent: 2387747 (1945-10-01), Cowley
patent: 2549327 (1951-04-01), Moule
patent: 2663128 (1953-12-01), Stirn
patent: 2663129 (1953-12-01), Donofrio
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