Apparatus for producing paving blocks

Details Apparatus for producing paving blocks Apparatus for producing paving blocks

1991-02-25

1992-08-18

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Means assembling part within hole or aperture

156242, 156245, 156293, 156500, 264 69, 264 71, 264228, 264256, 425215, 425424, 425454, B29C 3900

Patent

active

051396025

ABSTRACT:
There is provided an apparatus for producing a paving block comprising a block substrate and a solid top layer selected from a tile-like layer and a cured cement mortar layer firmly bonded onto the upper surface of the block substrate. The apparatus comprises a mortar applicator (21) consisting essentially of a mortar container and a masking bottom board (23) having an opening (24) to be located on the back of a top layer (1-2) or the upper surface of a block substrate (1-1) during application of cement mortar thereon, a clamping plate (25) to be located on the top layer (1-2) placed on the block substrate (1-1) during bonding them, and a scraping frame (26) for scraping excess mortar remaining on the side surfaces of the bonded block. When the apparatus is used to produce a novel paving block comprising a block substrate and a solid top layer having a plane dimension smaller than the substrate, squeeze-out deposits (6) of the cement mortar (7) are further formed around the bonded top layer (1-2).

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patent: 4445839 (1984-05-01), Crane

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