TUBULAR LINER, METHOD OF FABRICATION AND USE THEREOF
A method for fabricating a liner for a tubular hose, comprising selecting a combination of functional filaments and filling filaments, the functional filaments being elastic filaments, and combining the functional filaments and the filling filaments, in a ratio selected according to a target radial expansion and compression of the liner, under a selected twisting tension and with a selected twist number; into filler yarns; selecting warp yarns according to a target rigidity in a longitudinal direction of the liner; twisting together a number of the filler yarns into filler threads and the warp yarns into warp threads; and weaving the liner around the hose by interlacing the filler threads and the warp threads.
1 . (canceled)
2 . The method of claim 8 , wherein the functional filaments are selected among thermoplastic polyurethane (TPU); elastomer filaments, polyester based thermoplastic polyurethane (TPU), and textile filaments; the filling filaments are selected among glass filaments, carbon filaments and polyester filaments; and the warp yarns comprise spun polyester filaments and continuous polyester filaments.
3 . The method of claim 8 , further comprising texturizing the filling filaments according to a target resistance to abrasion of the liner.
4 . The method of claim 8 , wherein said twisting together a number of the filler yarns comprises twisting together at least 2 filler yarns.
5 . The method of claim 8 , wherein said twisting together a number of the filler yarns comprises twisting together between 2 and 30 filler yarns.
6 . The method of claim 8 , wherein said twisting together a number of the filler yarns comprises twisting together between 2 and 30 filler yarns, with a twist number between 0.5 and 2 twist per inch (TPI).
7 . The method of claim 8 , further comprising selecting an adhesive material and a fluid tight material and coextruding a fluid tight layer and an adhesive layer into a patch; and laminating the patch on the liner on a surface thereof opposite the hose.
8 . A method for fabricating a liner for a tubular hose, comprising:
selecting filler yarns and warp yarns, wherein said selecting the filler yarns comprises selecting a combination of functional filaments and filling filaments, the functional filaments being elastic filaments, and combining the functional filaments and the filling filaments, in a ratio selected according to a target radial expansion and compression of the liner, under a selected twisting tension and with a selected twist number; into filler yarns; said selecting the warp yarns comprises selecting yarns according to a target rigidity in a longitudinal direction of the liner;
twisting together a number of the filler yarns, between 2 and about 30 yarns, into filler threads;
twisting together the warp yarns into warp threads; and
positioning the hose in a weaving machine and weaving the liner around the hose by interlacing the filler threads and the warp threads;
thereby sheathing the hose with the liner;
the method further comprising selecting an adhesive material and a fluid tight material and coextruding a fluid tight layer and an adhesive layer into a patch; laminating the patch on the liner on a surface thereof opposite the hose under a lamination pressure selected to prevent delamination; cooling; and cutting out openings through the patch and the liner, thereby forming attachment rings to the hose.
9 . The method of claim 8 ,
wherein said cutting out the openings comprises inserting a plate between the hose and the liner and using a die-cut; thereby forming attachment rings to the hose.
10 . A method for fabricating a liner for a tubular hose, comprising:
selecting filler yarns and warp yarns, wherein said selecting the filler yarns comprises selecting a combination of functional filaments and filling filaments, the functional filaments being elastic filaments, and combining the functional filaments and the filling filaments, in a ratio selected according to a target radial expansion and compression of the liner, under a selected twisting tension and with a selected twist number; into filler yarns; said selecting the warp yarns comprises selecting yarns according to a target rigidity in a longitudinal direction of the liner;
twisting together a number of the filler yarns, between 2 and about 30 yarns, into filler threads;
twisting together the warp yarns into warp threads; and
positioning the hose in a weaving machine and weaving the liner around the hose by interlacing the filler threads and the warp threads;
thereby sheathing the hose with the liner;
wherein the functional filaments are Spandex™ filaments, the filling filaments are one of i): polyester filaments and ii) texturized polyester filaments, the Spandex™ filaments and the polyester filaments are combined in a ratio in a range between 1 and 10% of the Spandex™ filaments by weight of the polyester filaments, under a twisting tension selected in a range between 0.4 N and 0.7 N, and with a twist number in a range between 0.5 and 2 twist per inch (TPI); and the warp yarns are yarns of spun polyester filaments and of continuous polyester filaments.
11 . (canceled)
12 . (canceled)
13 . The method of claim 17 , wherein the functional filaments are selected among thermoplastic polyurethane (TPU) elastomer filaments polyester based polyester based thermoplastic polyurethane (TPU) and textile filaments; the filling filaments are selected among glass filaments, carbon filaments and polyester filaments; and the warp yarns comprise spun polyester filaments and continuous polyester filaments.
14 . (canceled)
15 . The method of claim 17 , wherein the number of filler yarns is comprised in a range between 2 and 30.
16 . The method of claim 17 , wherein the number of filler yarns is comprised in a range between 2 and 30 with a twist number in a range between 0.5 and 2 twist per inch (TPI).
17 . An external liner for a flexible hose, the liner being woven from filler threads and warp threads,
wherein the filler threads are twisted from filler yarns, the filler yarns being selected as a combination of functional filaments and filling filaments, wherein the functional filaments are elastic filaments selected for abrasion resistance, the filling filaments are selected for binding property; the functional filaments and the filling filaments being combined, in a ratio selected according to a target radial expansion and compression of the liner, into filler yarns, under a selected twisting tension and with a selected twist number; and a number of filler yarns, being twisted together into filler threads;
wherein the warp threads are twisted from warp yarns, the warp yarns being selected according to a target rigidity in a longitudinal direction of the liner; and twisted together into warp threads; and
wherein the filler threads and the warp threads are woven into the liner in a weaving machine, the flexible hose being positioned in a center of the weaving in such a way that the liner is woven around the flexible hose, thus sheathing the hose once the hose is retrieved from the weaving machine; and wherein the functional filaments are Spandex™ filaments, the filling filaments are one of: i) polyester filaments and texturized polyester filaments, the Spandex™ filaments and the polyester filaments are combined in a ratio in a range between 1 and 10% by weight of the polyester filaments, under a twisting tension selected in a range between 0.4 N and 0.7 N, and with a twist number in a range between 0.5 and 2 twist per inch (TPI); and the warp yarns are yarns of spun polyester filaments and of continuous polyester filaments.
18 . (canceled)
19 . (canceled)
20 . An external liner for a flexible hose, the liner being woven from filler threads and warp threads,
wherein the filler threads are twisted from filler yarns, the filler yarns being selected as a combination of functional filaments and filling filaments, wherein the functional filaments are elastic filaments selected for abrasion resistance, the filling filaments are selected for binding property; the functional filaments and the filling filaments being combined, in a ratio selected according to a target radial expansion and compression of the liner, into filler yarns, under a selected twisting tension and with a selected twist number; and a number of filler yarns, being twisted together into filler threads;
wherein the warp threads are twisted from warp yarns, the warp yarns being selected according to a target rigidity in a longitudinal direction of the liner; and twisted together into warp threads; and wherein the filler threads and the warp threads are woven into the liner in a weaving machine, the flexible hose being positioned in a center of the weaving in such a way that the liner is woven around the flexible hose, thus sheathing the hose once the hose is retrieved from the weaving machine; and further comprising a patch on a free surface thereof opposite the hose, openings through the patch and the liner forming attachment rings for insertion of a connecting element between the hose and the liner; wherein said patch is one of: i) laminated on the free surface thereof opposite the hose; and ii) a coextrusion of an adhesive material and a fluid tight material laminated on the free surface of the liner.
21 . (canceled)
22 . (canceled)
23 . The flexible hose of claim 27 , wherein the functional filaments are ones of: thermoplastic polyurethane elastomer filaments, polyester based polyester based thermoplastic polyurethane (TPU) filaments and textile filaments; the filling filaments are ones of: glass filaments, carbon filaments and polyester filaments; and the warp yarns comprise spun polyester filaments and continuous polyester filaments.
24 . (canceled)
25 . The flexible hose of claim 27 , wherein the number of filler yarns is comprised in a range between 2 and 30.
26 . The flexible hose of claim 27 , wherein the number of filler yarns is comprised in a range between 2 and 30 with a twist number between 0.5 and 2 twist per inch (TPI).
27 . A flexible hose, comprising an external liner woven from filler threads and warp threads,
wherein the filler threads are twisted from filler yarns, the filler yarns being selected as a combination of functional filaments and filling filaments, wherein the functional filaments are elastic filaments selected for abrasion resistance, the filling filaments are selected for binding property; the functional filaments and the filling filaments being combined, in a ratio selected according to a target radial expansion and compression of the liner, into filler yarns, under a selected twisting tension and with a selected twist number; and a number of filler yarns, being twisted together into filler threads; and
wherein the warp threads are twisted from warp yarns, the warp yarns being selected according to a target rigidity in a longitudinal direction of the liner; and twisted together into warp threads; and wherein the filler threads and the warp threads are woven into the liner in a weaving machine, the flexible hose being positioned in a center of the weaving in such a way that the liner is woven around the flexible hose, thus sheathing the hose once the hose is retrieved from the weaving machine wherein the functional filaments are Spandex™ filaments, the filling filaments are one of: i) polyester filaments and ii) texturized polyester filaments, the Spandex™ filaments and the polyester filaments are combined in a ratio in a range between 1 and 10% by weight of the polyester filaments, under a twisting tension selected in a range between 0.4 N and 0.7 N, and with a twist number in a range between 0.5 and 2 twist per inch (TPI); and the warp yarns are yarns of spun polyester filaments and of continuous polyester filaments.
28 . (canceled)
29 . The flexible hose of claim 27 , further comprising attachment rings for connecting an external element to the hose.
30 . A flexible hose, comprising an external liner woven from filler threads and warp threads,
wherein the filler threads are twisted from filler yarns, the filler yarns being selected as a combination of functional filaments and filling filaments, wherein the functional filaments are elastic filaments selected for abrasion resistance, the filling filaments are selected for binding property; the functional filaments and the filling filaments being combined, in a ratio selected according to a target radial expansion and compression of the liner, into filler yarns, under a selected twisting tension and with a selected twist number; and a number of filler yarns, being twisted together into filler threads; and
wherein the warp threads are twisted from warp yarns, the warp yarns being selected according to a target rigidity in a longitudinal direction of the liner; and twisted together into warp threads; and wherein the filler threads and the warp threads are woven into the liner in a weaving machine, further comprising a patch on a free surface thereof opposite the hose, openings through the patch and the liner forming attachment rings for insertion of a connecting element between the hose and the liner, wherein said patch is one of: i) a patch laminated on the free surface thereof opposite the hose, and ii) a coextrusion of an adhesive material and a fluid tight material laminated on the free surface of the liner.
31 . (canceled)