38314 ⎘
Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes; Making tubes with riveted seams or with non-welded and non-soldered seams Making of the seams
Seam forming apparatus for elbow duct
#2APPARATUS AND METHOD FOR FORMING A SEALING PORTION ON DUCT MEMBERS
#3Method of Installing Sealed Circular Ductwork
#4Sealed Drive Slip
#5Tubular structures and knurling systems and methods of manufacture and use thereof
#6Tubular structures and knurling systems and methods of manufacture and use thereof
#7Sealant system for metal seams
#8Roll former
#9Self-sealing circular cross-section sheet metal duct and method for manufacturing a sealed circular cross-section duct
#10Ductmaking apparatus
#11Method and system for manufacturing metal-plated steel pipe
#12Method of installing sealed circular ductwork
#13Folded-seam connection, method of producing it and device
#14Ductmaking apparatus
#15Sealed ventilation duct
#16Method of installing a self locking sheet metal duct
#17Self locking sheet metal duct with a sealant
#18Pressing Method for Sealing Heat Pipe
#19Self locking sheet metal duct with a sealant and method for manufacturing the duct with a sealant and installing the duct with a sealant
#20Folded-seam connection, method of producing it and device
#21Apparatuses and methods for the manufacture of metal tubular members using adhesives