Static molds – Including means to apply force to remove or release product... – Means moves mold bottom through upstanding mold walls
Patent
1979-09-07
1981-09-15
Parrish, John
Static molds
Including means to apply force to remove or release product...
Means moves mold bottom through upstanding mold walls
249129, 249130, 249132, 249161, 425441, B28B 702
Patent
active
042892937
ABSTRACT:
PCT No. PCT/US79/00707 Sec. 371 Date Sept. 7, 1979 Sec. 102(e) Date Sept. 7, 1979 PCT Filed Sept. 7, 1979 PCT Pub. No. WO80/00673 PCT Pub. Date Apr. 17, 1980
A combination bed concrete casting apparatus (20, 122 or 200) which allows either a single relatively wider elongated slab (116 or 200) or at least two relatively narrower elongated slabs (46 and 48 or 206 and 208) to be manufactured. A casting bed is divided longitudinally along the bottom wall into sections (34 and 36 or 202 and 204) which are movable transversely relative to each other. An elongate removable intermediate form (44 or 214) is positionable between the casting bed sections in a generally parallel relationship with the side form walls to form an intermediate wall. When it is desired to cast a single concrete member (116 or 200) extending all the way from one side form wall to the other, the intermediate form (44 or 214) is removed and the casting bed sections are moved closely adjacent one another. Alternatively, if it is desired to manufacture a separate concrete member in each casting bed section, the intermediate form is positioned between the sections. The combination bed apparatus may be adapted for use in combination with either a fixed bed casting apparatus or a moving bed casting apparatus. The relative transverse movement of the casting bed sections may be accomplished either by moving both sections (34 and 36) away from a centerline, or moving one section (202) away from the other (204), which remains fixed.
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Parrish John
Span-Deck, Inc.
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