Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Press-feed units










Image Number 3 for United States Patent #4223821.

A press-feed unit is operative to feed a length of stock material to a press. The unit comprises a body for fixing adjacent the press and a transport section reciprocable relative to the body by a pneumatic piston and cylinder assembly, the stock being clamped to the transport section during forward feed strokes of the latter. The unit further comprises a control valve, and a transport feed valve which is controlled by a pilot pressure signal from the control valve and operable to feed the transport cylinder. A pilot signal connection is provided which can be blanked off to enable the unit to operate independently, or connected through a pilot pressure pipe to a basically similar unit to provide a duplex arrangement of two units, one of which is directly controlled in dependence on press ram position and provides a pilot signal through said pipe to operate the transport feed valve of the other unit.








 
 
  Recently Added Patents
Method and apparatus for communication
Method and apparatus for sharing virtual workspaces
Disposable and tamper-resistant RFID lock
Denial of service (DoS) attack prevention through random access channel resource reallocation
Emergent information database management system
Radiation protective garment with forced ventilation and method
Combination therapy to enhance NK cell mediated cytotoxicity
  Randomly Featured Patents
Method for ladder ranking in a game
Power head secondary containment leak prevention and detection system and method
Method and apparatus for improved aquaculture/mariculture
Tape dispenser
Magnetic driven hydrodynamic lubrication system for free piston stirling engine
Tetracyclic condensed heterocyclic compounds and their use
Doll having illuminated color change fiber optic feature
Dialysis machine status light housing
Electronic device cleaning equipment and electronic device cleaning method
Drill bit dresser