END PACKING COLLAR Russian patent published in 2011 - IPC F16J15/32 

Abstract RU 2428613 C1

FIELD: machine building.

SUBSTANCE: in end collar bearing surface is made in form of two concentric cylinders of different diametre interconnected with conic surface, while cylinder surface of bigger diametre is connected with jaw along radius. Also ratio of lengths of bearing surfaces of the case of bigger and smaller dimensions by axis of the collar are determined as 1…4, while conic surface is made at angle α=15…20° to axis of the collar.

EFFECT: reduced internal stresses and their uniform distribution in volume under conditions of great deformations; increased service life of collar operation.

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RU 2 428 613 C1

Authors

Khromov Aleksej Valer'Evich

Tolstykh Valerij Alekseevich

Toder Il'Ja Aleksandrovich

Saubanov Roman Ramazanovich

Dates

2011-09-10Published

2010-05-13Filed