USRE8291E - Improvement in pipe-couplings - Google Patents
Improvement in pipe-couplings Download PDFInfo
- Publication number
- USRE8291E USRE8291E US RE8291 E USRE8291 E US RE8291E
- Authority
- US
- United States
- Prior art keywords
- coupling
- couplings
- port
- pipe
- improvement
- Prior art date
Links
- 238000010168 coupling process Methods 0.000 description 42
- 238000005859 coupling reaction Methods 0.000 description 42
- 230000001808 coupling Effects 0.000 description 30
- 238000010276 construction Methods 0.000 description 8
- 210000000474 Heel Anatomy 0.000 description 6
- 210000003371 Toes Anatomy 0.000 description 6
- 210000002356 Skeleton Anatomy 0.000 description 4
- 210000003414 Extremities Anatomy 0.000 description 2
- 240000002027 Ficus elastica Species 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 230000002441 reversible Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 101700082413 tant Proteins 0.000 description 2
Images
Definitions
- - Fig. 3 is a longitudinal sectional elevation in r a plane passing vertically through the, axial line of Fig. 2.
- This invention while applicable in some of its novel features to pipe-coupling purposes generally, is particularly designed and adapted for use in connectionwith the flexible hose of air-brake, pipes, whore, in order that the cars may be turned end for end, it in1por-' tant that in either position of the cars the half-couplings attached Lo-them may becapablc of being united "or coupled together.
- each half-coupling is exactly like each other half-coupling, so that on a train of carsfitted up with the same, and with flexible hose connections, the coupling to-' gether of the brake-pipes will not be alfected by the reversal of any of the cars.
- each half-coupling consists of a thiinble or tube, 1), by means of which the halt coupling is secured to the flexible hose in the manner well understood in the art.
- This end partor box B is closed on one side by a cap, B screwed therein, and on the other open or port side contains an annular india-rubber packing-ring, a, through the opening of which communication is effected with a like opening in the other oropposite half-coupling.
- the ring a is held in place by a washer, c, and posts l),
- the projecting parts 3 of the packing-rings a when thus brought face to face in. coupling, are compressed somewhat by the action of the hooks e on the extremities of the boxes B, and outside of or beyond the ports or openings, hy'means of which the tl wugh passage-way issecured.
- Each of the coke s engages a head or counter-hook, e,-on the under side of a flange, 15*, made for that purpose on the other half-coupling at the side of the port-opening opposite to its hook 0.
- the rings a should project i'ar enough to be capable of still further compression in case oi'tne forcible separation of the couplings, as hereinafter described.
- o 0 such as will not interior-e with the flow of air, and a spring, (.1, interposed between it and the cap.
- This pressure-name as shown, consists of an annulus, 0, which bears against the ring-posts o a ressure-plate, 0, against :which the spring dbears, and a stem, 0 to steady it'in place; but the form of this frame may be changed somewhat without seriously, if at all, impairing its function.
- the half-couplin gs thus made are duplicates of each other, and, when attached by flexible hose, any two may be coupled at pieasure.
- the books described are preferably made, one or both, with a slight bevel, so that, while re taining their hold on each other under the strain to which they are subjected in ordinary use, they may be pulled apart or become antoinatically disengaged when exposed to more than the usual strain; and this function is further secured by the fact that the packingrings a extend a little beyond the i'aoes of their boxes or bcyondthc port-openings, as shown at s, and, under the unusual strain rca each other,
- the ringsL may then be sufliciently compressed to allow the hooks e c to slip over and thus become disengaged.
- the coupling parts are united by a rotary motion of each on the agis of its port-opening.
- the half-couplings are brought together with their portopenings coinciding, but with the hooks e e projecting past each other, and then, each hook being curved in the direction of its length to the proper radius, the couplings are rotated, the hooks engaging 'each other,-till each hook 0 comes against a proper stop, n, (which in this case consists of a post,)
Family
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