CHRISTMASS CRACKER Russian patent published in 1994 - IPC

FIELD: toys. SUBSTANCE: Christmas cracker has tube-shaped casing 1, partition 2 which is mounted on supporting ring 3 and divides, the tube cavity into high-pressure buildup zone 4 and zone 5 filled with ejected members, disruptive diaphragm 6, flexible film 7, cylinders 8 allowing the edges of diaphragm 9 and film 10 to firmly contact with the outer surface of tube 1. The ends of cylinders 11 and 12 protrude beyond tube 1. From outside the Christmas cracker is coated with decorative paper 13. Once the ends of the Christmas cracker are sharply compressed, the volume of the gas inside the tube on the side of the elastic film sharply decreases, which results in rupture of the diaphragm accompanied with popping sound. EFFECT: higher functional reliability. 1 dwg