FASTENING Russian patent published in 1997 - IPC

FIELD: haberdashery articles. SUBSTANCE: fastening has two elongated fixing elements and runner in the form of cramp which embraces fixable elements. Runner is provided with grip. One of fixable elements has protrusions and other has slots in which protrusions are installed. Fastening has locking member formed as cramp which embraces fixable elements, and deformed spiral frame. One of fixable elements is made with box-shaped protrusion in its middle part, and other - is of double-tee section and cut-outs in opposite walls corresponding to box-shaped protrusion. EFFECT: high efficiency. 3 dwg