Apparatus for manufacturing cellular lightweight concrete products
AssigneeInternationella Siporex AB
InventorRolf E. Goransson
Life of this patent
Estimating the term…
Abstract
Cellular lightweight concrete slabs are manufactured by cutting horizontally through a block of still plastic cellular concrete mass resting on a support. At each cut a single slice is separated from the lowermost portion of the block or the remainder thereof. After each completed cut the upper remainder of the block is elevated by means of a suction head, in order to expose the recently cut surfaces for a treatment, and then again deposited on top of the slice or slices already resting on the support. Rotary roller means are provided for contributing in the surface treatment.
Claims7
An apparatus for dividing a plastic, cellular and at least generally parallelepipedic body of concrete mass resting in a fully exposed position on a movable support comprising a substantially rectangular bearing surface, on which the movable support with the body thereon is receivable, two holders located on opposite sides of said bearing surface and at a distance from each other exceeding the corresponding dimension of the body to be divided, a cutting wire stretched between said two holders and extending in a plane that is at least approximately horizontal, means for effecting a guided horizontal reciprocating motion between the body resting on its support on said bearing surface and said holders with the cutting wire between them in a direction that is lateral to the wire itself so as to cause said wire to cut through the body at each stroke, means for changing the relative vertical position between said bearing surface and said holders with the cutting wire between them after each completed body-cutting stroke of said wire so as to cause said wire to cut through the body at different levels and, hence, to divide the body into a plurality of slab-like slices lying one on top of the other, and, in combination therewith, a vertically movable suction head mounted above said bearing surface and adapted for engaging with and adhering by suction to the top face of the body to be divided, while leaving all the vertical faces thereof substantially free, and means for elevating and lowering said suction head in order to effect, after each completed body-cutting stroke of said cutting wire, first a lifting of the uppermost part of the cut body and subsequently a redeposition thereof, before the next body-cutting stroke is started.
An apparatus for dividing a plastic, cellular and at least generally parallelepipedic body of concrete mass resting in a fully exposed position on a movable support comprising in combination:
- a substantially rectangular bearing surface, on which the movable support with the body thereon is receivable;
- two holders located on opposite sides of said bearing surface and at a distance from each other exceeding the corresponding dimension of the body to be divided;
- a cutting wire stretched between said two holders and extending in a plane that is at least approximately horizontal;
- means for effecting a guided horizontal reciprocating motion between the body resting on its support on said bearing surface and said holders with the cutting wire between them in a direction that is lateral to the wire itself so as to cause said wire to cut through the body at each stroke;
- means for changing the relative vertical position between said bearing surface and said holders with the cutting wire between them after each completed body-cutting stroke of said wire so as to cause said wire to cut through the body at different levels and, hence, to divide the body into a plurality of slab-like slices lying one on top of the other;
- a vertically movable suction head mounted above said bearing surface and adapted for engaging with and adhering by suction to the top face of the body to be divided, while leaving all the vertical faces thereof substantially free, means for elevating and lowering said suction head in order to effect, after each completed body-cutting stroke of said cutting wire, first a lifting of the uppermost part of the cut body and subsequently a redeposition thereof, before the next body-cutting stroke is started;
- and a horizontally reciprocatable unit for working at least one of the two cut surfaces obtained at each body-cutting stroke of said wire, said unit being movable independently of said holders and cutting wire.
Dependencies are inferred from the claim text.