Resources Contact Us Home

Image Number 3 for United States Patent #4107505.

A weldment wherein two members are joined by a weld bounded at a back portion by a back-up member providing improved weld penetration and prevention of undesirable conditions in the weld such as root gaps or blow-throughs. The back-up member may comprise an elongated element secured to the surface of one member and, more specifically, may be welded thereto by a continuous weld.

  Recently Added Patents
Low power voltage controlled oscillator (VCO)
Error scanning in flash memory
Therapeutic human anti-IL-1R1 monoclonal antibody
Managing distributed applications using structural diagrams
Image forming apparatus capable of timely starting different image formation mode
Financial transaction cards
LED package with top and bottom electrodes
  Randomly Featured Patents
Qualified non-overlapping clock generator to provide control lines with non-overlapping clock timing
Driller for use in rice field
Hand-operated pump
System for measuring blood oxygen levels
Mechanism for engaging, disengaging and adjusting applicator rollers with respect to the plate cylinder of printing machines
Endoscope and endoscopic instrument system having reduced backlash when moving the endoscopic instrument within a working channel of the endoscope
Image-forming device preventing adverse effects on image formation and on detection of optical sensor
Process for liquefying coal employing a vented dissolver
Fischer-Tropsch processes using catalysts on mesoporous supports
Finder for single-lens reflex type digital cameras