Plastic article or earthenware shaping or treating: apparatus – Shaping surface including means to release or remove product... – By means inverting mold
Patent
1991-08-20
1992-12-08
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Shaping surface including means to release or remove product...
By means inverting mold
425435, 425441, 4254501, B28B 114, B28B 120
Patent
active
051696525
ABSTRACT:
A molding machine for casting a product is disclosed in a preferred embodiment of the invention. The molding machine includes a stationary support system and a rotatable apparatus, an opening and a horizontal axis of rotation parallel to the opening. Rotational means rotate the rotatable apparatus 180 degrees from a load and unload position to a casting position. A hoisting means is fixed to the reverse side of the opening of the rotatable apparatus for raising or lowering a transporter coupled to the opening of said rotatable apparatus. The mold includes a configuration form, having a ring-shaped floor, which cooperates with exterior wall forming panels. The mold also includes an inner core assembly which cooperates with the configuration form and has corner forming panels, interior wall forming panels and a floor forming panel. The corner forming panels move against the configuration form and the floor forming panel angularly to the configuration form and the floor forming panel. The interior wall forming panels lock in the corner forming panels and move angularly to the configuration form and the floor forming panel, when the rotatable apparatus is in the load and unload position.
REFERENCES:
patent: 1881322 (1932-10-01), McMullin
patent: 3274306 (1966-09-01), Kesting
patent: 3568272 (1971-03-01), Zmania
patent: 3781157 (1973-12-01), Maringer et al.
patent: 3799729 (1974-03-01), Hagen
patent: 3853452 (1974-12-01), Del Monte
patent: 4247279 (1981-01-01), Masters
patent: 4890999 (1990-01-01), Del Monte
patent: 4956135 (1990-09-01), Payne
Genca Samuel R.
Hoag Willard E.
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