RIVETING CONTINUOUS ACTION HAMMER, METHOD FOR CONTINUOUS CALKING OF DEAD RIVETS Russian patent published in 2006 - IPC B21J15/22 B21J15/32 

FIELD: continuous process for successively riveting dead rivets.

SUBSTANCE: riveting hammer includes mutually joined clamping, oil and air cylinders, pair of clamping jaws, pipe for extracting stem of dead rivet, vacuum ejector for creating in said pipe suction effort. Oil cylinder has sealing members, one sealing member is arranged at side of oil chamber, other sealing member is arranged at side of air chamber. On part of oil cylinder arranged between said sealing members there is ventilation duct. Piston of clamping jaws housing and nose piston are also provided with sealing members and ventilation ducts. One sealing member is arranged at side of oil chamber, other sealing member is arranged at side of air chamber. Riveting hammer has section for feeding rivets provided with hopper for placing band holding dead rivets.

EFFECT: enhanced accuracy of riveting.

5 cl, 37 dwg