Apparatus for assembling insulated duct sections

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United States of America Patent

PATENT NO 8561272
APP PUB NO 20100229376A1
SERIAL NO

12719080

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Abstract

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A ductmaking apparatus forms a laminate section including a sheet metal layer and a layer of insulation fastened to the sheet metal layer. The layer of insulation is severed from a moving web of insulation by pivoting slicing movement of a knife across the moving web.

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Patent Owner(s)

Patent OwnerAddress
FORMTEK INC260 NORTH ELM STREET WESTFIELD MA 01085

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Borwig, Michael C Swisher, US 21 79

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