Method and apparatus for hacking bricks

Details Method and apparatus for hacking bricks Method and apparatus for hacking bricks

1977-02-15

1978-10-10

Makay, Albert J.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

198458, 214152, 294 63A, B65G 5726

Patent

active

041192176

ABSTRACT:
Method and apparatus for hacking green bricks for eventual introduction into a kiln; wherein bricks are placed on a spread table in parallel rows, and the spread table is actuated to space each of the rows of bricks from each other at distances greater than spacings that will be required when the bricks are being fired in a kiln. A brick gripping head having a plurality of elongated brick gripping members is positioned over the spread bricks on the spread table with the brick gripping members extending vertically in the spaces between the rows of bricks and horizontally along the opposite sides of the bricks. The spread table is then actuated to reduce the spacings between the bricks to predetermined final spacings required during firing of the bricks in the kiln. Simultaneously with such retraction of the spread table, the brick gripping members are also moved laterally towards each other to accommodate the decreased spacings between the bricks. In the preferred embodiment, the brick gripping members include air bags which are inflatable for gripping the sides of the brick and deflatable for releasing the brick. When the desired final spacing is achieved by retraction of the spread table, the air bags are inflated to grip the brick for delivery onto a brick stack on a kiln car or pallet which will be taken to the kiln. The next group of bricks to be spaced on the spread table are treated in the same manner, however, prior to stacking on the kiln car, they are rotated as a unit ninety degrees in a horizontal plane by rotating the brick gripping head so that when stacked, the rows of bricks extend at right angles to the rows of bricks previously stacked on the kiln car.

REFERENCES:
patent: 1418003 (1922-05-01), Ladd
patent: 2710696 (1955-06-01), Fontaine et al.
patent: 3589495 (1971-06-01), Pearne et al.
patent: 3760966 (1973-09-01), Jones, Jr. et al.

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