Vladimir Pavlecka was a Czech-American inventor and aircraft designer. He was the chief inventor of flush riveting and held other important patents.
Pavlecka
ZMC-2
Black Widow
Black Bullet
A rivet is a permanent mechanical fastener. Before being installed, a rivet consists of a smooth cylindrical shaft with a head on one end. The end opposite the head is called the tail. On installation, the deformed end is called the shop head or buck-tail.
Solid rivets
Sophisticated riveted joint on a railway bridge
A typical technical drawing of a universal head solid rivet
Riveting team working on the cockpit shell of a C-47 transport at the plant of North American Aviation. The woman on the left operates an air hammer, while the man on the right holds a bucking bar.