Patent US4262022A successfully refreshed from Google Patents.
Patent US4963698A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4963698A Expired / Lapsed US ⏱️ 0.0 years remaining

Cable sealing

Assignee: Tyco International Ltd Bermuda
•
Filing: 1989-09-15
•
Granted: 1990-10-16
•
Expires: 2009-09-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The invention relates to a sealed cable article and method for sealing the area between two or more cables and between the cables and an enclosure with a shaped article at a location where the cables exit from the enclosure, the method comprising (a) providing a shaped article of a polymeric gel said gel having (i) a cone penetration value of about 30 to about 450 (10-1 mm), and (ii) an elongation of from about 25% to about 750%; (b) positioning the shaped article around the cables; and (c) positioning the enclosure such that it surrounds the shaped article. An article aspect of the invention comprises two or more cables, an enclosure surrounding the cables, and a polymeric gel having the properties as described above sealing the area between the cables and the enclosure. This invention also relates to a sealed cable end article and a method of sealing the end of a cable, the method comprising positioning a shaped article of a polymeric gel having the properties as described above to cover the end of a cable and positioning an enclosure around said shaped article and adjacent region of the cable. The article comprises one or more cable ends with a portion of the cable end exposed, a shaped article of a polymeric gel having the properties as described above positioned at the cable end, and an enclosure which surrounds the shaped article and the adjacent region of the cable.

Inventors

  • 👤 Rong J. Chang
  • 👤 John A. Midgley
  • 👤 Lester T. Toy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:36
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/013; H01; H01R; H01R4/00; H01R4/70; H02G15/02; H02G15/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49194

Claims Analysis

Total Claims: 98
Claim 1
Independent Claim 118 words
A method of sealing an area between two or more cables and between the cables and an enclosure at a location where the cables exit from the enclosure, which method comprises (a) providing a shaped article of polymeric gel, said polymeric gel having (i) a cone penetration value of about 30 to about 400 (10 -1 mm), (ii) an elongation of from about 25% to about 850%; (b) positioning the shaped article such that it surrounds each of two or more cables; and (c) positioning an enclosure such that it surrounds the shaped article whereby the area between said two or more cables and said enclosure is sealed at a location where the cables exit from the enclosure.
Claim 2
Independent Claim 118 words
A method of sealing an area between two or more cables and between the cables and an enclosure at a location where the cables exit from the enclosure, which method comprises (a) providing a shaped article of polymeric gel, said polymeric gel having (i) a cone penetration value of about 30 to about 400 (10 -1 mm), (ii) an elongation of from about 25% to about 850%; (b) positioning the shaped article such that it surrounds each of two or more cables; and (c) positioning an enclosure such that it surrounds the shaped article whereby the area between said two or more cables and said enclosure is sealed at a location where the cables exit from the enclosure.
Claim 3
Dependent Claim 53 words
A method according to claim 1 comprising providing the shaped article with a number of holes extending therethrough corresponding to the number of cables and positioning the shaped article such that it surrounds each of the cables in a manner such that the cables are positioned through the holes of the shaped article.
Claim 4
Dependent Claim 23 words
A method according to claim 2 wherein the holes are formed slightly smaller than the size of the cable to be positioned therein.
Claim 5
Dependent Claim 45 words
A method according to claim 2 wherein there is a slit extending from the edge of a hole to the outer edge of the shaped article such that a cable may be positioned in the hole without access to a free end of the cable.
Claim 6
Dependent Claim 19 words
A method according to claim 1 wherein the gel provided has an elongation of from about 100% to 750%.
Claim 7
Dependent Claim 24 words
A method according to claim 1 wherein the gel provided has a cone penetration value is from about 50 to 350 (10 -1 mm).
Claim 8
Dependent Claim 31 words
A method according to claim 1 wherein the gel provided has a dielectric constant of less than 6 at 50 Hz and a volume resistivity of at least 10 10 ohm-cm.
Claim 9
Dependent Claim 34 words
A method according to claim 1 wherein the gel provided has a dielectric constant of greater than 6 at 50 Hz and a specific impedance of 10 7 -10 10 ohm-cm at 50 Hz.
Claim 10
Dependent Claim 20 words
A method according to claim 1 wherein the gel provided has a volume resistivity of less than 10 7 ohm-cm.
Claim 11
Dependent Claim 14 words
A method according to claim 1 wherein the gel provided is a silicone-based gel.
Claim 12
Dependent Claim 15 words
A method according to claim 1 wherein the gel provided is a polyurethane based gel.
Claim 13
Dependent Claim 223 words
A method according to claim 1 wherein the gel provided comprises a crosslinked non-silicon polymer having an olefinic unsaturated content of less than 10 mole percent and having dispersed therein a liquid in an amount of from about 20% to about 95% by weight based on the weight of the liquid and polymer and from 0 to 0.3 volume fraction of a filler, said cross-linked polymer (a) if derived from a solid, relatively high molecular weight polymer, having a gel fraction of at least about 50%, or (b) if derived from a liquid, relatively low molecular weight polymer, having at least about 0.1 crosslinks per weight average molecule; said composition having a storage modulus of (1+2.5v+14.1v 2 )×dynes/cm 2 wherein x is less than 5×10 5 at 30° C. and greater than 5×10 2 at 90° C., and v is the volume fraction of the filler, with the proviso that, if the crosslinked polymer is prepared from a solid high molecular weight polymer, the storage modulus at 140° C. is at least about 70% of the storage modulus at 70° C.; and a dynamic viscosity of (1+2.5v+14.1v 2 )y poises wherein y is less than 1×10 5 at 30° C. and greater than 5×10 2 at 90° C. and v is the volume fraction of the filler, said composition exhibiting first degree blocking.
Claim 14
Dependent Claim 15 words
A method according to claim 12, wherein said gel is derived from a liquid rubber.
Claim 15
Dependent Claim 14 words
A method according to claim 13 wherein the liquid rubber is liquid butyl rubber.
Claim 16
Dependent Claim 15 words
A method according to claim 1 wherein the enclosure is a dimensionally recoverable polymeric article.
Claim 17
Dependent Claim 14 words
A method according to claim 5 wherein the polymeric article is heat recoverable polyethylene.
Claim 18
Dependent Claim 15 words
A method according to claim 1 wherein the enclosure is a dimensionally stable polymeric article.
Claim 19
Dependent Claim 16 words
A method according to claim 17 wherein the enclosure is in the form of a tape.
Claim 20
Dependent Claim 14 words
A method according to claim 1 wherein the enclosure has an adhesive inner layer.
Claim 21
Dependent Claim 18 words
A method according to claim 1 wherein the shaped article is positioned by wrapping it around the cables.
Claim 22
Independent Claim 98 words
A method of sealing an end of each of one or more cables comprising (a) providing one or more shaped article of polymeric gel corresponding to the number of cable ends to be sealed, said polymeric gel having: (i) a cone penetration value of about 30 to about 400 (10 -1 mm), (ii) an elongation of from about 25% to about 850%; (b) positioning a shaped article at the end of each of one or more cables such that the end of each cable is sealed; and (c) positioning an enclosure such that it surrounds the shaped articles.
Claim 23
Independent Claim 98 words
A method of sealing an end of each of one or more cables comprising (a) providing one or more shaped article of polymeric gel corresponding to the number of cable ends to be sealed, said polymeric gel having: (i) a cone penetration value of about 30 to about 400 (10 -1 mm), (ii) an elongation of from about 25% to about 850%; (b) positioning a shaped article at the end of each of one or more cables such that the end of each cable is sealed; and (c) positioning an enclosure such that it surrounds the shaped articles.
Claim 24
Dependent Claim 32 words
A method according to claim 21 wherein each of the one or more shaped articles has a hole a portion of the way therethrough for positioning one of said cable ends therein.
Claim 25
Dependent Claim 19 words
A method according to claim 21 wherein the gel provided, has an elongation of from about 100% to 750%.
Claim 26
Dependent Claim 24 words
A method according to claim 21 wherein the gel provided has a cone penetration value is from about 50 to 350 (10 -1 mm).
Claim 27
Dependent Claim 31 words
A method according to claim 21 wherein the gel provided has a dielectric constant of less than 6 at 50 Hz and a volume resistivity of at least 10 10 ohm-cm.
Claim 28
Dependent Claim 33 words
A method according to claim 21 the gel provided has a dielectric constant of greater than 6 at 50 Hz and a specific impedance of 10 7 -10 10 ohm-cm at 50 Hz.
Claim 29
Dependent Claim 20 words
A method according to claim 21 wherein the gel provided has a volume resistivity of less than 10 7 ohm-cm.
Claim 30
Dependent Claim 14 words
A method according to claim 21 wherein the gel provided is a silicone-based gel.
Claim 31
Dependent Claim 14 words
A method according to claim 21 wherein the gel provided is a polyurethane-based gel.
Claim 32
Dependent Claim 223 words
A method according to claim 21 in the gel provided comprises a crosslinked non-silicone polymer having an olefinic unsaturated content of less than 10 mole percent and having dispersed therein a liquid in an amount of from about 20% to about 95% by weight based on the weight of the liquid and polymer and from 0 to 0.3 volume fraction of a filler, said cross-linked polymer (a) if derived from a solid, relatively high molecular weight polymer, having a gel fraction of at least about 50%, or (b) if derived from a liquid, relatively low molecular weight polymer, having at least about 0.1 crosslinks per weight average molecule; said composition having a storage modulus of (1+2.5v+14.1v 2 )×dynes/cm 2 wherein x is less than 5×10 5 at 30° C. and greater than 5×10 2 at 90° C., and v is the volume fraction of the filler, with the proviso that, if the crosslinked polymer is prepared from a solid high molecular weight polymer, the storage modulus at 140° C. is at least about 70% of the storage modulus at 70° C.; and a dynamic viscosity of (1+2.5v+14.1v 2 )y poises wherein y is less than 1×10 5 at 30° C. and greater than 5×10 2 at 90° C. and v is the volume fraction of the filler, said composition exhibiting first degree blocking.
Claim 33
Dependent Claim 15 words
A method according to claim 21, wherein said gel is derived from a liquid rubber.
Claim 34
Dependent Claim 14 words
A method according to claim 31, wherein the liquid rubber is liquid butyl rubber.
Claim 35
Dependent Claim 15 words
A method according to claim 21 wherein the enclosure is a dimensionally recoverable polymeric article.
Claim 36
Dependent Claim 12 words
A method according to claim 33 the polymeric article is heat recoverable-polyethylene.
Claim 37
Dependent Claim 15 words
A method according to claim 21 wherein the enclosure is a dimensionally stable polymeric article.
Claim 38
Dependent Claim 16 words
A method according to claim 35 wherein the enclosure is in the form of a tape.
Claim 39
Dependent Claim 14 words
A method according to claim 21 wherein the enclosure has an adhesive inner layer.
Claim 40
Dependent Claim 35 words
A method according to claim 21 wherein a multiplicity of cable ends and a multiplicity of shaped articles corresponding to the number of cable ends have one enclosure which surrounds the multiplicity of shaped articles.
Claim 41
Dependent Claim 77 words
An article comprising (a) two or more cables; (b) a shaped article of a polymeric gel, the polymeric gel having (i) a cone penetration value of about 30 to about 400 (10 -1 mm), (ii) an elongation of from about 25% to about 850%; and (c) an enclosure surrounding the shaped article; (d) the shaped article positioned such that it encloses the cables and seals the area between the cables and between the cables and the enclosure.
Claim 42
Dependent Claim 77 words
An article comprising (a) two or more cables; (b) a shaped article of a polymeric gel, the polymeric gel having (i) a cone penetration value of about 30 to about 400 (10 -1 mm), (ii) an elongation of from about 25% to about 850%; and (c) an enclosure surrounding the shaped article; (d) the shaped article positioned such that it encloses the cables and seals the area between the cables and between the cables and the enclosure.
Claim 43
Dependent Claim 45 words
An article according to claim 39 wherein the shaped article has a number of holes extending therethrough corresponding to the number of cables and the cables are positioned through the holes of the shaped article such that the shaped article surrounds each of the cables.
Claim 44
Dependent Claim 23 words
An article according to claim 40 wherein the holes are formed slightly smaller than the size of the cables that are positioned therein.
Claim 45
Dependent Claim 45 words
An article according to claim 39 wherein there is a slit extending from the edge of the holes to the outer edge of the shaped article such that a cable has been positioned in the hole without access to the free end of the cable.
Claim 46
Dependent Claim 19 words
An article according to claim 39 wherein the gel provided has an elongation of from about 100% to 750%.
Claim 47
Dependent Claim 22 words
An article according to claim 39 the gel provided has cone penetration value is from about 50 to 350 (10 -1 mm).
Claim 48
Dependent Claim 31 words
An article according to claim 39 wherein the gel provided has a dielectric constant of less than 6 at 50 Hz and a volume resistivity of at least 10 10 ohm-cm.
Claim 49
Dependent Claim 34 words
An article according to claim 39 wherein the gel provided has a dielectric constant of greater than 6 at 50 Hz and a specific impedance of 10 7 -10 10 ohm-cm at 50 Hz.
Claim 50
Dependent Claim 20 words
An article according to claim 39 wherein the gel provided has a volume resistivity of less than 10 7 ohm-cm.
Claim 51
Dependent Claim 14 words
An article according to claim 39 wherein the gel provided is a silicone-based gel.
Claim 52
Dependent Claim 14 words
An article according to claim 39 wherein the gel provided is a polyurethane-based gel.
Claim 53
Dependent Claim 223 words
An article according to claim 39 wherein the gel provided comprises a crosslinked non-silicone polymer having an olefinic unsaturated content of less than 10 mole percent and having dispersed therein a liquid in an amount of from about 20% to about 95% by weight based on the weight of the liquid and polymer and from 0 to 0.3 volume fraction of a filler, said cross-linked polymer (a) if derived from a solid, relatively high molecular weight polymer, having a gel fraction of at least about 50%, or (b) if derived from a liquid, relatively low molecular weight polymer, having at least about 0.1 crosslinks per weight average molecule; said composition having a storage modulus of (1+2.5v+14.1v 2 )×dynes/cm 2 wherein x is less than 5×10 5 at 30° C. and greater than 5×10 2 at 90° C., and v is the volume fraction of the filler, with the proviso that, if the crosslinked polymer is prepared from a solid high molecular weight polymer, the storage modulus at 140° C. is at least about 70% of the storage modulus at 70° C.; and a dynamic viscosity of (1+2.5v+14.1v 2 )y poises wherein y is less than 1×10 5 at 30° C. and greater than 5×10 2 at 90° C. and v is the volume fraction of the filler, said composition exhibiting first degree blocking.
Claim 54
Dependent Claim 15 words
An article according to claim 50 wherein said gel is derived from a liquid rubber.
Claim 55
Dependent Claim 14 words
An article according to claim 51 wherein the liquid rubber is liquid butyl rubber.
Claim 56
Dependent Claim 15 words
An article according to claim 39 wherein the enclosure is a dimensionally recovered polymeric article.
Claim 57
Dependent Claim 13 words
An article according to claim 53 the polymeric article is heat recovered polyethylene.
Claim 58
Dependent Claim 15 words
An article according to claim 39 wherein the enclosure is a dimensionally stable polymeric article.
Claim 59
Dependent Claim 16 words
An article according to claim 39 wherein the enclosure is in the form of a tape.
Claim 60
Dependent Claim 14 words
An article according to claim 39 wherein the enclosure has an adhesive inner layer.
Claim 61
Dependent Claim 85 words
An article comprising (a) one or more cable ends with a portion of the cable end exposed; (b) one or more shaped articles of a polymeric gel corresponding to the number of cable ends to be sealed, the polymeric gel having (i) a cone penetration value of about 30 to about 400 (10 -1 mm) (ii) an elongation from about 25% to about 850%; (c) a said shaped article positioned at each cable end to be sealed; (d) an enclosure that surrounds the shaped article.
Claim 62
Dependent Claim 85 words
An article comprising (a) one or more cable ends with a portion of the cable end exposed; (b) one or more shaped articles of a polymeric gel corresponding to the number of cable ends to be sealed, the polymeric gel having (i) a cone penetration value of about 30 to about 400 (10 -1 mm) (ii) an elongation from about 25% to about 850%; (c) a said shaped article positioned at each cable end to be sealed; (d) an enclosure that surrounds the shaped article.
Claim 63
Dependent Claim 32 words
An article according to claim 58 wherein the one or more said shaped article has a hole a portion of the way therethrough for positioning therein a cable end to be sealed.
Claim 64
Dependent Claim 19 words
An article according to claim 58 wherein the gel provided has an elongation of from about 100% to 750%.
Claim 65
Dependent Claim 24 words
An article according to claim 58 wherein the gel provided has a cone penetration value is from about 50 to 350 (10 -1 mm).
Claim 66
Dependent Claim 31 words
An article according to claim 58 wherein the gel provided has a dielectric constant of less than 6 at 50 Hz and a volume resistivity of at least 10 10 ohm-cm.
Claim 67
Dependent Claim 34 words
An article according to claim 58 wherein the gel provided has a dielectric constant of greater than 6 at 50 Hz and a specific impedance of 10 7 -10 10 ohm-cm at 50 Hz.
Claim 68
Dependent Claim 20 words
An article according to claim 58 wherein the gel provided has a volume resistivity of less than 10 7 ohm-cm.
Claim 69
Dependent Claim 13 words
An article according to claim 58 the gel provided is a silicone-based gel.
Claim 70
Dependent Claim 14 words
An article according to claim 58 wherein the gel provided is a polyurethane-based gel.
Claim 71
Dependent Claim 222 words
An article according to claim 58 wherein the gel comprises a crosslinked non-silicone polymer having an olefinic unsaturated content of less than 10 mole percent and having dispersed therein a liquid in an amount of from about 20% to about 95% by weight based on the weight of the liquid and polymer and from 0 to 0.3 volume fraction of a filler, said cross-linked polymer (a) if derived from a solid, relatively high molecular weight polymer, having a gel fraction of at least about 50%, or (b) if derived from a liquid, relatively low molecular weight polymer, having at least about 0.1 crosslinks per weight average molecule; said composition having a storage modulus of (1+2.5v+14.1v 2 )×dynes/cm 2 wherein x is less than 5×10 5 at 30° .C and greater than 5×10 2 at 90° C., and v is the volume fraction of the filler, with the proviso that, if the crosslinked polymer is prepared from a solid high molecular weight polymer, the storage modulus at 140° C. is at least about 70% of the storage modulus at 70° C.; and a dynamic viscosity of (1+2.5v+14.1v 2 )y poises wherein y is less than 1×10 5 at 30° C. and greater than 5×10 2 at 90° C. and v is the volume fraction of the filler, said composition exhibiting first degree blocking.
Claim 72
Dependent Claim 15 words
An article according to claim 67, wherein said gel is derived from a liquid rubber.
Claim 73
Dependent Claim 14 words
An article according to claim 68 wherein the liquid rubber is liquid butyl rubber.
Claim 74
Dependent Claim 15 words
An article according to claim 58 wherein the enclosure is a dimensionally recovered polymeric article.
Claim 75
Dependent Claim 16 words
An article according to claim 70 wherein the dimensionally recovered polymeric article is heat recoverable polyethylene.
Claim 76
Dependent Claim 15 words
An article according to claim 71 wherein the enclosure is a dimensionally stable polymeric article.
Claim 77
Dependent Claim 16 words
An article according to claim 58 wherein the enclosure is in the form of a tape.
Claim 78
Dependent Claim 14 words
An article according to claim 58 wherein the enclosure has an adhesive inner liner.
Claim 79
Dependent Claim 69 words
A cable sealing kit which comprises: (a) one or more shaped articles of a polymeric gel having one or more holes at least a portion of the way therethrough, the polymeric gel having (i) a cone penetration value of about 30 to about 400 (10 -1 mm), (ii) an elongation of from about 25% to about 850%; and (b) an enclosure for surrounding one or more said shaped articles.
Claim 80
Dependent Claim 69 words
A cable sealing kit which comprises: (a) one or more shaped articles of a polymeric gel having one or more holes at least a portion of the way therethrough, the polymeric gel having (i) a cone penetration value of about 30 to about 400 (10 -1 mm), (ii) an elongation of from about 25% to about 850%; and (b) an enclosure for surrounding one or more said shaped articles.
Claim 81
Dependent Claim 24 words
A cable sealing kit according to claim 75 wherein each shaped article has holes therethrough corresponding to the number of cables to be sealed.
Claim 82
Dependent Claim 18 words
A kit according to claim 75 wherein each shaped article has holes a portion of the way therethrough.
Claim 83
Dependent Claim 45 words
A kit according to claim 75 wherein there is a slit extending from the edge of a hole to the outer edge of the shaped article such that a cable may be positioned in the hole without access to the free end of the cable.
Claim 84
Dependent Claim 20 words
A kit according to claim 75 wherein the gel provided has an elongation of from about 100% to about 750%.
Claim 85
Dependent Claim 24 words
A kit according to claim 75 wherein the gel provided has a cone penetration value is from about 50 to 350 (10 -1 mm).
Claim 86
Dependent Claim 31 words
A kit according to claim 75 wherein the gel provided has a dielectric constant of less than 6 at 50 Hz and a volume resistivity of at least 10 10 ohm-cm.
Claim 87
Dependent Claim 33 words
A kit according to claim 75 wherein the gel provided a dielectric constant of greater than 6 at 50 Hz and a specific impedance of 10 7 -10 10 ohm-cm at 50 Hz.
Claim 88
Dependent Claim 20 words
A kit according to claim 75 wherein the gel provided has a volume resistivity of less than 10 7 ohm-cm.
Claim 89
Dependent Claim 13 words
A kit according to claim 75 wherein the gel provided a silicone-based gel.
Claim 90
Dependent Claim 14 words
A kit according to claim 75 wherein the gel provided is a polyurethane-based gel.
Claim 91
Dependent Claim 223 words
A kit according to claim 75 wherein the gel provided comprises a crosslinked non-silicone polymer having an olefinic unsaturated content of less than 10 mole percent and having dispersed therein a liquid in an amount of from about 20% to about 95% by weight based on the weight of the liquid and polymer and from 0 to 0.3 volume fraction of a filler, said cross-linked polymer (a) if derived from a solid, relatively high molecular weight polymer, having a gel fraction of at least about 50%, or (b) if derived from a liquid, relatively low molecular weight polymer, having at least about 0.1 crosslinks per weight average molecule; said composition having a storage modulus of (1+2.5v+14.1v 2 )×dynes/cm 2 wherein x is less than 5×10 5 at 30° C. and greater than 5×10 2 at 90° C., and v is the volume fraction of the filler, with the proviso that, if the crosslinked polymer is prepared from a solid high molecular weight polymer, the storage modulus at 140° C. is at least about 70% of the storage modulus at 70° C.; and a dynamic viscosity of (1+2.5v+14.1v 2 )y poises wherein y is less than 1×10 5 at 30° C. and greater than 5×10 2 at 90° C. and v is the volume fraction of the filler, said composition exhibiting first degree blocking.
Claim 92
Dependent Claim 15 words
A kit according to claim 86, wherein said gel is derived from a liquid rubber.
Claim 93
Dependent Claim 14 words
A kit according to claim 87 wherein the liquid rubber is liquid butyl rubber.
Claim 94
Dependent Claim 15 words
A kit according to claim 75 wherein the enclosure is a dimensionally recoverable polymeric article.
Claim 95
Dependent Claim 16 words
A kit according to claim 89 wherein the dimensionally recoverable polymeric article is heat recoverable polyethylene.
Claim 96
Dependent Claim 15 words
A kit according to claim 75 wherein the enclosure is a dimensionally stable polymeric article.
Claim 97
Dependent Claim 15 words
A kit according to claim 75 wherein the enclosure in the form of a tape.
Claim 98
Dependent Claim 14 words
A kit according to claim 75 wherein the enclosure has an adhesive inner liner.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-10-15 1994-04-16 1994-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-10-15 1998-04-16 1998-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-10-15 2002-04-16 2002-10-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag