Weather-proofing solution for a cable connection

Patent metadata

Field	Value
Publication number	US-2018366867-A1
Application number	US-201615571370-A
Country	US
Kind code	A1
Filing date	May 12, 2016
Priority date	May 15, 2015
Publication date	Dec 20, 2018
Grant date	—

Abstract

The present invention is directed to a weather-proofing solution for protecting a cable that includes a new weather proofing sheet, a new applicator tool and a new method of installing the weather proofing material over a cable connection to provide environmental protection to the cable connection. The weather-proofing material is a preformed sheet having a body portion and two spaced apart tail portions extending longitudinally from one end of the body portion wherein the preformed sheet has a variable elongation along its length when wrapped around the cable connection under a constant force.

First claim

1 . A weather-proofing solution for a cable connection, comprising:
a preformed sheet of weatherproofing material wherein the preformed sheet comprises a body portion and two spaced apart tail portions extending longitudinally from one end of the body portion, wherein an inside edge of each of the tail portions flares away from a centerline of the preformed sheet by an angle, θ, in a range of 0°<θ<30°, allowing the tail portions to spread away from the centerline when wrapped and initiating a helical wrapping pattern as the tail portions are wrapped around the ends of the cable connection and wherein the preformed sheet has a variable elongation along its length when wrapped around the cable connection under a substantially constant force.

2 . (canceled)

3 . The weather-proofing solution of claim 1 , wherein the body portion is configured to cylindrically wrap around a central portion of the cable connection.

4 . The weather-proofing solution of claim 1 , wherein the preformed sheet of weather proofing material comprises a flexible and elastic substrate layer and a first compliant layer disposed on a major surface of the substrate layer.

5 . The weather-proofing solution of claim 4 , wherein the preformed sheet further comprises a second compliant layer disposed on another major surfaces of the substrate layer opposite the first compliant layer.

6 . The weather-proofing solution of claim 4 , wherein at least one of the first and second compliant layers is one of a pressure sensitive adhesive and a mastic material.

7 . (canceled)

8 . The weather-proofing solution of claim 1 , wherein preformed sheet has a non-uniform elongation profile.

9 . The weather-proofing solution of claim 4 , wherein the preformed sheet further comprises a release liner disposed over the first compliant layer.

10 . An applicator tool for applying weatherproofing material to a cable connection, comprising:
a brake roller supported in an applicator housing, and a preformed sheet of weather proofing material according to any of the precious claims disposed on a portion of the brake roller, wherein the brake roller is in substantially non-slipping mechanical contact with the weatherproofing material and wherein the brake roller rotates at a circumferential speed, such that the magnitude of the circumferential speed of the brake roller is less than the magnitude of an application speed resulting in controlled elongation and tensioning of the weatherproofing material.

11 . The tool of claim 10 , wherein the brake roller comprises
a spool configured to hold the weatherproofing material; a first ratchet disk mounted to the first end of the spool; a tensioning spring disposed around a spindle; and a second ratchet disk mounted to the second end of the spindle, wherein the first and second ratchet disks engage to provide the substantially controlled, sliding mechanical contact when the first and second ratchet disks are engaged.

12 . The tool of claim 11 , wherein each of the first and second ratchet disks comprise a plurality of inclined teeth formed on one surface of the ratchet disk and wherein the plurality of inclined teeth on the first ratchet disk and the plurality of inclined teeth on the second ratchet disk engage to provide the substantially controlled, sliding mechanical contact.

13 . The tool of claim 11 , further comprising a plunger disposed on a first end of the spindle, wherein actuating the plunger engages and disengages the first and second ratchet disks.

14 . The tool of claim 11 , wherein the weather proofing material is provided on a core and wherein keying features exist on the spool and on the core to prevent the core from slipping relative to the spool during application of the weatherproofing material over the cable connection.

15 . The tool of claim 11 , further comprising a tension adjustment mechanism.

16 . The tool of claim 15 , wherein the brake roller comprises a spool configured to hold the weatherproofing material and a tensioning spring disposed around a spindle, wherein the tension adjustment mechanism includes a sleeve that fits over the spindle and an adjuster nut that travels along the length of the sleeve to adjust the length of the tension spring.

17 . A method of applying a sheet of weather-proofing material to a cable connection, the method comprising:
providing an applicator tool having a brake roller supported in an applicator housing, and a preformed sheet of weatherproofing material disposed on a portion of the brake roller, wherein the preformed sheet comprises a substrate layer and a compliant layer on a major side of the substrate layer; placing a cable connection in a second compartment of the applicator tool; adhering a first end of the weatherproofing material to a central portion of the cable connection; and winding the applicator tool around the cable connection with a constant application force such that a central portion of the cable connection is cylindrically wrapped by a first portion the weatherproofing material and a region on either side of the central portion is helically wrapped by a second portion the weatherproofing material.

18 . The method of claim 17 , further comprising removing a release liner from a surface of the compliant layer as the preformed sheet is wrapped around the cable connection.

19 . The method of claim 17 , further comprising adjusting a tension adjustment mechanism to change an application force of the applicator tool.

20 . The method of 17 , wherein the preformed sheet has a body portion and two spaced apart tail portions extending longitudinally from the body portion and wherein the preformed adhesive sheet has a variable elongation along its length when tensioned at constant force.

21 . The method of claim 20 , wherein the tail portions are wrapped around the cable connection simultaneously.

22 - 24 . (canceled)

Assignees

• 3M Innovative Properties Co

Inventors

• Wolf Karl E
• Xu Zhiyong
• Larson Donald K
• Carls Joseph C
• Treadwell Daniel J

Classifications

• H01R13/5221 Primary

  having cable sealing means · CPC title

• B32B25/08

  of synthetic resin · CPC title

• H02G15/196

  having lapped insulation · CPC title

• H01R13/5219

  Sealing means between coupling parts, e.g. interfacial seal · CPC title

• B32B7/12

  using interposed adhesives or interposed materials with bonding properties · CPC title