Fluid line coupling

Claim 2

A coupling for hermetically sealing over a fluid conducting tubular member and including, a segmental body encasing said member and laterally separable at a plane of joinder coincidental with the axis of said tubular member, said body segments having coaxially and radially aligned tube alignment, seal and sleeve sections defined by stepped bores and the bore of the tube alignment section adapted to embraceably encompass the tubular member and the bore of the seal section concentrically spaced radially from the bore of the tube alignment section with an inwardly faced shoulder extending therebetween in a plane normal to said axis, a segmental sleeve surroUnding said tubular member and laterally separable at a plane of joinder coincidental with the axis of said member and with an inwardly faced shoulder in a plane normal to said axis and opposed to said first mentioned inwardly faced shoulder, a split-ring seal of bendable plastic material and of right cylinder form with an inner diameter wall adapted to be separated and warped onto the tubular member and with an outer diameter wall embraceably encompassed within the bore of said seal section and with opposite normal ends and one of which seats on said first mentioned inwardly faced shoulder, interlocking means connecting the body segments at said plane of joinder establishing circumferential continuity in said body, and sleeve placement means positioning the inwardly faced shoulder of the sleeve forceably against the other one end of the seal pressing the same into hermetic occupancy within the seal section of the body.

Claim 3

The hermetically sealing coupling as set forth in claim 1 and wherein the interlocking means comprises relatively movable longitudinally disposed key members circumferentially connecting the segments of the body.

Claim 4

The hermetically sealing coupling as set forth in claim 1, wherein the interlocking means comprises relatively movable longitudinally disposed key members circumferentially connecting the segments of the body, and wherein the sleeve placement means comprises a transversely disposed key engaged with the body segments establishing radial alignment thereof.

Claim 5

The hermetically sealing coupling as set forth in claim 1, wherein the interlocking means comprises longitudinally disposed dovetail engagement at said plane of joinder, and wherein the sleeve placement means comprises transversely keyed engagement of the body segments establishing radial alignment thereof.

Claim 6

The hermetically sealing coupling as set forth in claim 1, wherein the interlocking means comprises longitudinally disposed dovetail engagement of the body segments at said plane of joinder, and wherein the sleeve placement means comprises transversely keyed threaded engagement of the sleeve within the sleeve section of the body establishing radial alignment thereof.

Claim 7

A coupling for axially spaced hermetic sealing over a fluid conducting tubular member and including, a segmental body encasing said member and laterally separable at a plane of joinder coincidental with the axis of said tubular member, said body segments having coaxially and radially aligned tube alignment, seal and sleeve sections defined by stepped bores and the bore of the tube alignment section adapted to coextensively overlie and embraceably encompass the tubular member and the bore of the seal section concentrically spaced radially from the bore of the tube alignment section with an inwardly faced shoulder extending therebetween in a plane normal to said axis, a segmental sleeve surrounding said tubular member and laterally separable at a plane of joinder coincidental with the axis of said tubular member, said alignment and seal sections defined by stepped bores and the bore of the tube alignment section adapted to embraceably encompass the tubular member and the bore of the seal section concentrically spaced radially from the bore of the tube alignment section with an inwardly faced shoulder extending therebetween in a plane normal to said axis and opposed to said first mentioned inwardly faced shoulder, a pair of spaced split-ring seals of bendable plastic material and each of right cylinder form with an inner diameter wall adapted to be separated and warped onto the tubular member and with an outer diameter wall embraceably encompassed within the bore of said body seal section and sleeve section respectively and each with opposite normal ends and one of which seats on said inwardly spaced shoulder of the body and sleeve respectively, interlocking means connecting the body segments at said plane of joinder establishing circumferential continuity in said body, and sleeve placement means positioning the inwardly faced shoulder of the sleeve forceably against one of the said seals and pressing the same toward the other of said seals and both seals into hermetic occupancy within the seal sections of the body and the sleeve respectively.

Claim 8

A coupling for axially spaced hermetic sealing over a fluid conducting tubular member and including, a segmental body encasing said member and laterally separable at a plane of joinder coincidental with the axis of said tubular member, said body segments having coaxially and radially aligned tube alignment, seal and sleeve sections defined by stepped bores and the bore of the tube alignment section adapted to coextensively overlie and embraceably encompass the tubular member and the bore of the seal section concentrically spaced radially from the bore of the tube alignment section with an inwardly faced shoulder extending therebetween in a plane normal to said axis, a segmental sleeve surrounding said tubular member and laterally separable at a plane of joinder coincidental with the axis of said tubular member, said alignment and seal sections defined by stepped bores and the bore of the tube alignment section adapted to embraceably encompass the tubular member and the bore of the seal section concentrically spaced radially from the bore of the tube alignment section with an inwardly faced shoulder extending therebetween in a plane normal to said axis and opposed to said first mentioned inwardly faced shoulder, a pair of spaced split-ring seals of bendable plastic material and each of right cylinder form with an inner diameter wall adapted to be separated and warped onto the tubular member and with an outer diameter wall embraceably encompassed within the bore of said body seal section and sleeve section respectively and each with opposite normal ends and one of which seats on said inwardly spaced shoulder of the body and sleeve respectively, interlocking means connecting the body segments at said plane of joinder establishing circumferential continuity in said body, and sleeve placement means positioning the inwardly faced shoulder of the sleeve forceably against one of the said seals and pressing the same toward the other of said seals and both seals into hermetic occupancy within the seal sections of the body and the sleeve respectively.

Claim 9

The hermetically sealing coupling as set forth in claim 6 and wherein the interlocking means comprises relatively moveable longitudinally disposed key members circumferentially connecting the segments of the body.

Claim 10

The hermetically sealing coupling as set forth in claim 6, wherein the interlocking means comprises relatively movable longitudinally disposed key members circumferentially connecting the segments of the body, and wherein the sleeve placement means comprises a transversely disposed key engaged with the body segments establishing radial alignment thereof.

Claim 11

The hermetically sealing coupling as set forth in claim 6, wherein the interlocking means comprises longitudinally disposed dovetail engagement at said plane of joinder, and wherein the sleeve placement means comprises transversely keyed engagement of the body segments establishing radial alignment thereof.

Claim 12

The hermetically sealing coupling as set forth in claim 6, wherein the interlocking means comprises longitudinally disposed dovetail engagement of the body segments at said plane of joinder, and wherein the sleeve placement means comprises transversely keyed threaded engagement of the sleeve within the sleeve section of the body establishing radial alignment thereof.

Claim 13

The hermetically sealing coupling as set forth in claim 6 and wherein the fluid conducting tubular member is comprised of sections coupled by a union embraced between said pair of split-ring seals.

Claim 14

The hermetically sealing coupling as set forth in claim 6 and wherein the fluid conducting tubular member is comprised of sections coupled by a union entered into the seal section bores of the body and sleeve respectively.

Claim 15

The hermetically sealing coupling as set forth in claim 6 and wherein the fluid conducting tubular member is comprised of sections coupled by a union entered into the seal section bores of the body and sleeve respectively and having opposite end shoulders engaged with said spaced split-ring seals respectively.

Claim 16

A coupling for axially spaced hermetic sealing over a fluid conducting tubular member and including, a segmental body encasing said member and laterally separable at a plane of joinder coincidental with the axis of said tubular member, said body segments having coaxially and radially aligned tube alignment, seal and sleeve sections defined by stepped bores and the bore of the tube alignment section adapted to coextensively overlie and embraceably encompass the tubular member and the bore of the seal section concentrically spaced radially from the bore of the tube alignment section with an inwardly faced shoulder extending therebetween in a plane normal to said axis, a segmental sleeve surrounding said tubular member and laterally separable at a plane of joinder coincidental with the axis of said tubular member, said sleeve segments having coaxially and radially aligned tube alignment and seal sections defined by stepped bores and the bore of the tube alignment section adapted to embraceably encompass the tubular member and the bore of the seal section concentrically spaced radially from the bore of the tube alignment section with an inwardly faced shoulder extending therebetween in a plane normal to said axis and opposed to said first mentioned inwardly faced shoulder, a pair of spaced split-ring seals of bendable plastic material and each of right cylinder form with an inner diameter wall a adapted to be separated and warped onto the tubular member and with an outer diameter wall embraceably encompassed within the bore of said body seal section and sleeve seal section respectively and each with opposite normal ends and one of which seats on said inwardly spaced shoulder of the body and sleeve respectively, interlocking means connecting the bOdy segments at said plane of joinder establishing circumferential continuity in said body, interlocking means connecting the sleeve segments at said plane of joinder establishing circumferential continuity in said sleeve, and sleeve placement means positioning the inwardly faced shoulder of the sleeve forceably against one of the said seals and pressing the same toward the other of said seals and both seals into hermetic occupancy within the seal sections of the body and the sleeve respectively.

Claim 17

A coupling for axially spaced hermetic sealing over a fluid conducting tubular member and including, a segmental body encasing said member and laterally separable at a plane of joinder coincidental with the axis of said tubular member, said body segments having coaxially and radially aligned tube alignment, seal and sleeve sections defined by stepped bores and the bore of the tube alignment section adapted to coextensively overlie and embraceably encompass the tubular member and the bore of the seal section concentrically spaced radially from the bore of the tube alignment section with an inwardly faced shoulder extending therebetween in a plane normal to said axis, a segmental sleeve surrounding said tubular member and laterally separable at a plane of joinder coincidental with the axis of said tubular member, said sleeve segments having coaxially and radially aligned tube alignment and seal sections defined by stepped bores and the bore of the tube alignment section adapted to embraceably encompass the tubular member and the bore of the seal section concentrically spaced radially from the bore of the tube alignment section with an inwardly faced shoulder extending therebetween in a plane normal to said axis and opposed to said first mentioned inwardly faced shoulder, a pair of spaced split-ring seals of bendable plastic material and each of right cylinder form with an inner diameter wall a adapted to be separated and warped onto the tubular member and with an outer diameter wall embraceably encompassed within the bore of said body seal section and sleeve seal section respectively and each with opposite normal ends and one of which seats on said inwardly spaced shoulder of the body and sleeve respectively, interlocking means connecting the bOdy segments at said plane of joinder establishing circumferential continuity in said body, interlocking means connecting the sleeve segments at said plane of joinder establishing circumferential continuity in said sleeve, and sleeve placement means positioning the inwardly faced shoulder of the sleeve forceably against one of the said seals and pressing the same toward the other of said seals and both seals into hermetic occupancy within the seal sections of the body and the sleeve respectively.

Claim 18

The hermetically sealing coupling as set forth in claim 14 wherein at least one the interlocking means comprises relatively movable longitudinally disposed key members circumferentially connecting the segments thereof.

Claim 19

The hermetically sealing coupling as set forth in claim 14, wherein at least one of the interlocking means comprises relatively movable longitudinally disposed key member circumferentially connecting the segments thereof, and wherein the sleeve placement means comprises a transversely disposed key engaged with the body segments establishing radial alignment thereof.

Claim 20

The hermetically sealing coupling as set forth in claim 14, wherein at least one of the interlocking means comprises longitudinally disposed dovetail engagement at said plane of joinder, and wherein the sleeve placement means comprises transversely keyed engagement of the body segments establishing radial alignment thereof.

Claim 21

The hermetically sealing coupling as set forth in claim 14, wherein at least one of the interlocking means comprises longitudinally disposed dovetail engagement of the body segments at said plane of joinder, and wherein the sleeve placement means comprises transversely keyed threaded engagement of the sleeve within the sleeve section of the body establishing radial alignment thereof.

Claim 22

The hermetically sealing coupling as set forth in claim 14 and wherein the fluid conducting tubular member is comprised of sections coupled by a union embraced between said pair of split-ring seals.

Claim 23

The hermetically sealing coupling as set forth in claim 14 and wherein the fluid conducting tubular member is comprised of sections coupled by a union entered into the seal section bores of the body and sleeve respectively.

Claim 24

The hermetically sealing coupling as set forth in claim 14 and wherein the fluid conducting tubular member is comprised of sections coupled by a union entered into the seal section bores of the body and sleeve respectively and having opposite end shoulders engaged with said spaced split-ring seals pressed one toward the other.