Static molds – Container-type molding device – Plural article forming mold – or molds with community feature
Patent
1981-04-21
1983-06-21
Hoag, Willard E.
Static molds
Container-type molding device
Plural article forming mold, or molds with community feature
249 64, 249 66R, 249124, 249142, 249144, 249151, B28B 710, B29C 114
Patent
active
043890369
ABSTRACT:
The invention provides apparatus and method for forming concrete blocks, panels and the like with a reduced number of parts and production operations. The apparatus and method of this invention is contemplated for use at a concrete-mixing plant having the usual components such as mixers, hoists, cranes, and other transport facilities available at most modern mixing plants. The apparatus of the invention includes a pallet having a generally flat upper surface. In addition, there is provided a generally rectangular mold frame having four integral and generally vertical upstanding sides. The frame is generally open on the top and bottom and is dimensioned for matably mounting on the pallet. Cavity-shaping means are mounted within the frame and above the pallet for shaping block-forming molding cavities which are arranged for receiving concrete aggregate thereinto, whereby blocks may be formed by the deposition of the aggregate thereinto. The apparatus includes means for detachably connecting the cavity-shaping means to either the pallet or to the mold frame and means for separating the mold frame from the pallet after the aggregate has been poured and the initial setting thereof has occurred, while the cavity-shaping means in the form of cores or curtains remain in contact with the blocks and the blocks remain in contact with and are supported on the pallet. The method of this invention generally contemplates a plurality of steps which generally accomplish the production of concrete blocks with a minimum of steps.
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