Method of forming concrete blocks or stones with a rough surface
OwnerTom Griffithinventor
Life of this patent
Estimating the term…
Abstract
A mold for forming blocks with at least one textured surface, the mold comprising a structure defining a cavity open at opposite ends thereof for receiving a block forming material at one of the open ends and discharging a block formed from the block forming material at the other of the open ends; and a continuous web surrounding at least a portion of the structure and movable relative to the structure for acting on the block forming material received within the cavity to impart a texture to a surface of the block, the web being mounted to move around the portion of the structure when the block is discharged from the cavity.
Claims20
A mold for forming blocks with at least one textured surface, the mold comprising:
- a structure defining a cavity open at opposite ends thereof for receiving a block forming material at one of the open ends and discharging a block formed from the block forming material at the other of the open ends;
- and
- a continuous web surrounding at least a portion of the structure and movable relative to the structure for acting on the block forming material received within the cavity to impart a texture to a surface of the block, the web being mounted to move around the portion of the structure when the block is discharged from the cavity.
An apparatus for forming blocks with at least one textured surface, comprising:
- a structure defining a cavity open at a top and bottom thereof to allow block forming material to be introduced into the cavity through the open top and to discharge molded block forming material in the form of a molded block through the open bottom;
- a support member cooperating with the structure to form a closed bottom for the cavity to allow the block forming material introduced into the cavity to be temporarily retained within the cavity;
- a continuous web which surrounds at least a portion of the structure, and movable relative to the structure, for imparting a texture to at least a portion of a surface of the molded block;
- and
- a stripping shoe for acting on the molded block through the open cavity top when relative vertical separation motion occurs between the structure and the support member to discharge the molded block from the cavity.
A method of forming blocks with at least one textured surface, comprising the steps of:
- (a) introducing block forming material into a mold, the mold having a structure defining a cavity open at opposite receiving and discharge ends thereof for receiving a block forming material at the receiving end and discharging a block formed from the block forming material at the discharge end, and a web within the cavity and movable relative to the structure;
- (b) compacting the block forming material within the cavity such that at least a portion of the web is embedded in the block forming material;
- and
- (c) discharging the block formed from the block forming material such that the web moves through the cavity with the block, and separating the web from the block at the discharge end of the structure.
Dependencies are inferred from the claim text.