STARTING PIPE Russian patent published in 2010 - IPC F41F3/42 

FIELD: machine building.

SUBSTANCE: starting pipe 1 consists of power winding 2 with glued erosion-resistant internal layer 3 and convex end cover 4 with leak proof padding 5. Pipe 1 is equipped with protecting ring 6 with leak proof padding 7 installed between cover 4 and end of pipe 1; padding overlaps glued layer 8 and 0.2-0.5 of thickness of erosion-resistant layer. Cover 4 with padding 5 is positioned in recess of ring 6. Walls 10 of the recess are equipped with lugs 11 wherein there are made slots 12 for catches 13 of strap 14. Strap 14 is made out of U-section with flanges inside and is trusted between lugs 11 enveloping convex of cover 4. Cover 4 is equipped with U-channel bracket 15 with axle 16. Strap 14 and lever 17 out U-profile enveloping this axle with flanges inside are forced on axle 16. Flanges of U-channel are rounded from the side of the axle and form eccentric 18. On opposite side plate 19 projecting out of dimension of ring 6 is made on lever 17 from the wall of its U-channel. Openings 20 for axle 16 are made in flanges of U-channel of bracket 15.

EFFECT: increased reliability of operation and convenient maintenance of rocket head part.

3 dwg