Claims
- 1. A method of repairing a utility pole in situ comprising steps of:
- (a) excavating around said utility pole to a predetermined depth;
- (b) cleaning the surface of said pole;
- (c) treating said surface;
- (d) selecting and preparing a plurality of .[.longitudinal.]. woven fiber .[.mat strips.]. .Iadd.mats.Iaddend.;
- (e) saturating said .[.strips.]. .Iadd.mats .Iaddend.with .[.the.]. .Iadd.a .Iaddend.liquid composite;
- (f) positioning each .[.strip with the longitudinal dimension of each strip substantially parallel to the longitudinal axis of said pole.]. .Iadd.mat with the fibers of a first direction of the weave oriented substantially parallel to the longitudinal axis of said pole and the fibers of a second direction of the weave oriented at an angle relative to said first direction.Iaddend.; and,
- (g) applying said .[.strips.]. .Iadd.mat .Iaddend.sequentially and circumferentially with each succeeding .[.strip.]. .Iadd.mat .Iaddend.overlapping its preceding .[.strip.]. .Iadd.mat.Iaddend., around the circumference of said pole to form a cylindrical encasement of desired thickness; wherein the manner of applying the saturated woven mat .[.strips.]. comprises:
- (i) fully saturating each .[.strip by placing the woven mat into a tray filled.]. .Iadd.mat .Iaddend.with .[.the.]. .Iadd.said .Iaddend.liquid .[.composite and rolling the mat strip with a paint roller.].;
- (ii) .[.removing said saturated mat strips from the tray and.]. aligning each .Iadd.mat .Iaddend.with the .[.longitudinal axis of the utility pole.]. .Iadd.fibers of a first direction of the weave oriented substantially parallel to the longitudinal axis of said pole and the fibers of a second direction of the weave oriented at an angle relative to said first direction .Iaddend.and then pressing it against the surface of the utility pole at the repair location;
- (iii) .[.rolling said saturated woven mat strips with the paint roller to press.]. .Iadd.pressing .Iaddend.the saturated mat against the pole surface and .[.to ensure.]. .Iadd.ensuring .Iaddend.that no air bubbles are entrained;
- (iv) repeating the process with the next woven mat .[.strip.]. which is saturated .[.in the tray.].; and then placed against the utility pole so that .[.one half of.]. the second mat .[.strip.]. overlaps .[.half of.]. the first mat .[.strip.]. already in place;
- (v) .[.rolling.]. .Iadd.pressing .Iaddend.the second mat .[.strip with a paint roller.]. to ensure that no air bubbles are entrained; and,
- (vi) repeating the saturated mat .[.strip.]. application until the .[.composite.]. .Iadd.cylindrical .Iaddend.encasement .[.cylinder shell.]. reaches the desired thickness.
- 2. A method of applying a bonded structural encasement to wooden poles comprising the steps of:
- (a) cleaning a portion of the surface of the poles;
- (b) selecting a material wherein: lengthwise fibers comprise from 50% to 80% of the total fiber; half of the remaining fibers total from 10% to 25% of the total fibers placed at an angle relative to the lengthwise fibers; and, the remaining 10% to 25% of the fibers placed at an equal angle relative to the lengthwise fibers in the opposite direction relative to the first angled fibers;
- (c) saturating woven fiber .[.strips.]. .Iadd.mats .Iaddend.of said material with a composite resin;
- (d) selecting and applying a plurality of saturated .[.strips.]. .Iadd.mat .Iaddend.to the clean surface in sequence with each succeeding .[.strip.]. .Iadd.mat .Iaddend.overlapping its preceding .[.strip.]. .Iadd.mat .Iaddend.around the circumference of said pole and .Iadd.having its lengthwise fibers .Iaddend.substantially parallel to the longitudinal axis of said pole to form upon hardening into a cylindrical encasement;
- (e) applying an ultraviolet resistant coating to the exterior of the encasement; and,
- (f) pumping a fumigant into the pole to arrest biological agents.
- 3. A method of applying a bonded structural encasement to wooden poles comprising the steps of:
- (a) cleaning a portion of the surface of the poles;
- (b) selecting a material wherein; lengthwise fibers comprise from 50% to 80% of the total fibers, half of the remaining fibers total from 10% to 25% of the total fibers placed at an angle relative to the lengthwise fibers; and, the remaining 10% to 25% of the fibers placed at an equal angle relative to the lengthwise fibers in the opposite direction relative to the first angled fibers.Iadd.; .Iaddend.
- (c) applying a bonding agent to the cleaned surface prior to applying .[.the.]. .Iadd.a plurality of .Iaddend.saturated .[.strips,.]. .Iadd.mats of said material.Iaddend.;
- (d) saturating .Iadd.said .Iaddend.woven fiber .[.strips.]. .Iadd.mats .Iaddend.of said material with a composite resin;
- (e) selecting and applying .[.a.]. .Iadd.said .Iaddend.plurality of saturated .[.strips.]. .Iadd.mat .Iaddend.to the cleaned surface in sequence, with each succeeding .[.strip.]. .Iadd.mat .Iaddend.overlapping its preceding .[.strip.]. .Iadd.mat .Iaddend.around the circumference of said pole and .Iadd.having its lengthwise fibers .Iaddend.substantially parallel to the longitudinal axis of said pole to form upon hardening into a cylindrical encasement;
- (f) applying an ultraviolet resistant coating to the exterior of the encasement; and,
- (g) pumping a fumigant into the pole to arrest biological agents.
- 4. A method of repairing a utility pole in situ comprising the steps of:
- (a) excavating around said utility pole to a predetermined depth;
- (b) cleaning and treating the surface of said pole;
- (c) pumping a fumigant into .[.the.]. .Iadd.said .Iaddend.pole to arrest biological agents;
- (d) applying an ultraviolet resistant coating; and
- (e) applying a bonding agent to .[.the.]. .Iadd.said .Iaddend.cleaned surface prior to applying the saturated .[.strips.]. .Iadd.mats.Iaddend.;
- (f) saturating woven fiber .[.strips.]. .Iadd.mats .Iaddend.with a .Iadd.liquid .Iaddend.composite .[.resin.].;
- (g) fully saturating each .[.strip by placing the woven mat into a tray filled.]. .Iadd.mat .Iaddend.with .[.the.]. .Iadd.said .Iaddend.liquid composite .[.and rolling the mat strip with a paint roller.].;
- (h) .[.removing said saturated mat strips from the tray and.]. aligning each .[.with the longitudinal axis of the utility pole.]. .Iadd.mat with the fibers of a first direction of the weave oriented substantially parallel to the longitudinal axis of said pole and the fibers of a second direction of the weave oriented at an angle relative to said first direction .Iaddend.and then pressing it against the surface of the utility pole at the repair location;
- (i) .[.rolling.]. .Iadd.pressing .Iaddend.said saturated woven mats .[.strips with a paint roller to press the saturated mat.]. against the pole surface .[.and.]. to ensure that no air bubbles are entrained;
- (j) repeating the process with the next woven mat .[.strip.]. which is saturated .[.in the tray.].; and then placed against the utility pole so that the second mat .[.strip.]. overlaps the first mat .[.strip.]. already in place;
- (k) the step of preparing said .[.strips.]. .Iadd.mats .Iaddend.comprises selecting a woven fiber mat wherein lengthwise fibers comprise from 50% to 80% of the total fibers within a mat and half the remaining 10% 25% of the fibers are placed at an angle relative to the lengthwise fibers; and, wherein the remaining 10% to 25% of the fibers are placed at an equal angle relative to the lengthwise fibers in the opposite direction relative to the first angled fibers,
- (l) selecting and applying a plurality of saturated .[.strips.]. .Iadd.mats .Iaddend.to the cleaned surface in sequence, with each succeeding .[.strip.]. .Iadd.mat .Iaddend.overlapping its preceding .[.strip.]. .Iadd.mat .Iaddend.around the circumference of said pole and .Iadd.having its lengthwise fibers .Iaddend.substantially parallel to the longitudinal axis of said pole to form upon hardening into a cylindrical encasement.
Parent Case Info
This is a .[.division of copending.]. .Iadd.reissue of U.S. Pat. No. 5,027,575, which is a division of .Iaddend.application Ser. No. 206,579, filed on Jun. 14, 1988, now U.S. Pat. No. 4,918,883.
US Referenced Citations (20)
Foreign Referenced Citations (1)
Number |
Date |
Country |
31943 |
Mar 1981 |
JPX |
Divisions (1)
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Number |
Date |
Country |
Parent |
206579 |
Jun 1988 |
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Reissues (1)
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Number |
Date |
Country |
Parent |
395959 |
Aug 1989 |
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