51807 ⎘
General aspects of processes or apparatus for joining preformed parts; General aspects of machine operations or constructions and parts thereof; Specific machine types or machines suitable for specific applications; Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling being self-propelling
Sub-classes:Apparatus and method having multiple operating modes for fusing polyethylene pipe
#2Apparatus and method having multiple operating modes for fusing polyethylene pipe
#3Roofing thermal welder extension marking tool
#4Top-loading straddle-mounted pipe fusion machine
#5Method and apparatus for welding a roofing membrane
#6Self-propelled fastening unit and method for fastening sealing webs
#7Structure for delivering pipe fusion machine
#8Apparatus for bonding overlapping material layers
#9Welding machine for connection of overlapping material webs
#10Top-loading straddle-mounted pipe fusion machine
#11Heat welding system and method
#12Top-loading straddle-mounted pipe fusion machine
#13Manual and automatic heat welding gun
#14Roofing apparatus
#15Standing seam profile field welding device and method
#16PROCESS AND METHOD OF IMPLEMENTING RESERVOIR COVERS
#17Methods for attaching thermoplastic profile to roofing membrane and dual welding device
#18Standing seam profile field welding device and method
#19Method and welding device for connecting sheets of material
#20Apparatus and method for applying strips of thermoplastic material to thermoplastic membranes
#21Methods and apparatus for fabricating structures
#22Welding carriage
#23Welding machine for joining laterally overlapping webs of sealing material
#24Apparatus for welding ends of plastics pipes located on-site
#25Apparatus and method for applying strips of thermoplastic material to thermoplastic membranes
#26Apparatus and method for welding overlapping water-proof membranes to each other
#27Seaming iron with automatic traction