Method and apparatus for forming concrete products

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6352236
SERIAL NO

09366283

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A mold box is flexibly mounted to a product forming machine having upper and lower vertically displaceable beams. A feed drawer dispenses concrete material into the mold box while a vibration system vertically vibrates the mold box while dampening horizontal vibration. The vibration system is driven by a single drive shaft that actuates first and second vibrator rods while at the same rotating a counter-weight in a counter-rotating direction. A set of alignment brackets lock the mold box into a predetermined aligned relationship while being mounted in the product forming machine. The bottom side of each mold box is mounted to the product forming machine in the same relative position to reduce machine readjustments. A set of telescoping legs hold the feed drawer assembly variable distances above the mold box. A unitized pallet feeder quickly moves pallets one at a time from an 'on-deck' position to a 'receiving' position underneath the mold box.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
COLUMBIA MACHINE INC107 GRAND BLVD VANCOUVER WA 98661

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aaseth, Allen Woodland, WA 11 35
Schmitt, Robert A Vancouver, WA 15 118

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