[특허]Standing poles and method of repair thereof

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E02D-005/60 E04G-021/00
출원번호	US-0474785 (1983-03-14)
발명자 / 주소	Kozikowski, Casimir P.
인용정보	피인용 횟수 : 48 인용 특허 : 2

초록 ▼

The structural characteristics of standing poles are enhanced or preserved, or changed to provide break-away characteristics, by a technique which includes forming one or more sheets about the pole. The sheets are defined by an outer jacket, a plurality of spacer members positioned within the jacket

The structural characteristics of standing poles are enhanced or preserved, or changed to provide break-away characteristics, by a technique which includes forming one or more sheets about the pole. The sheets are defined by an outer jacket, a plurality of spacer members positioned within the jacket and a solidified encapsulating material which fills the jacket.

대표청구항 ▼

1. A method of enhancing the characteristics of a standing pole comprising the steps of: supporting a plurality of elongated spacer members about a portion of the exterior surface of a pole, the spacer members being oriented substantially in parallelism with respect to one another; wrapping a fi

1. A method of enhancing the characteristics of a standing pole comprising the steps of: supporting a plurality of elongated spacer members about a portion of the exterior surface of a pole, the spacer members being oriented substantially in parallelism with respect to one another; wrapping a first pliable sheet around the supported spacer members, the sheet having a first substantially straight edge; marking the first sheet along a line adjacent to the overlapping of the said first edge; removing the first sheet and severing the said first sheet along the marked line to form a second edge disposed oppositely and parallel to said first edge; rewrapping the severed sheet around the supported spacer members and forming a leak-proof joint in the vicinity of said first and second edges, the rewrapped sheet defining a cavity about the pole, the spacer members being disposed in said cavity; forming a pouring funnel about the pole with a second sheet of material, the smaller end of said funnel being disposed between the pole and said first sheet; pouring an encapsulating material comprising an epoxy resin into the cavity via the funnel whereby the encapsulating material contacts and encapsulates the pole along the length of the cavity; and removing the funnel subsequent to the pouring of said encapsulating material. 2. The method of claim 1 wherein the step of forming the pouring funnel comprises: attaching a plurality of brackets to the pole, said brackets including angularly outwardly extending arms; and supporting said second sheet on said bracket angularly extending arms. 3. The method of claim 1 further comprising the step of: preparing the said second sheet by cutting a sheet of pliable material in the shape of a flat partial annulus. 4. The method of claim 2 further comprising the step of: preparing the said second sheet by cutting a sheet of pliable material in the shape of a flat partial annulus. 5. The method of claim 1 further comprising the step of: preparing the encapsulating material by mixing a resin with a hardener to form a 100% solids epoxy. 6. The method of claim 5 wherein the step of preparing the encapsulating material further comprises: adding a filler to the epoxy. 7. The method of claim 4 further comprising the step of: preparing the encapsulating material by mixing a resin with a hardener to form a 100% solids epoxy. 8. The method of claim 7 wherein the step of preparing the encapsulating material further comprises: adding a filler to the epoxy. 9. The method of claim 1 wherein the step of supporting the spacer members about the pole comprises: positioning the spacer members substantially parallel to the axis of the pole and spaced outwardly from the exterior surface of the pole. 10. The method of claim 9 wherein the step of positioning the spacer members comprises: forming the spacer members by providing elongated linear members with projections extending from a first side thereof, said projections being placed in contact with the exterior surface of the pole. 11. The method of claim 10 wherein the step of positioning the spacer members further comprises: mechanically fastening each of the elongated linear membranes to the pole at a plurality of locations along its length. 12. The method of claim 1 wherein the first edge of said first sheet defines a groove and wherein the step of rewrapping includes: engaging the second edge in the groove defined by said first edge to form said joint. 13. The method of claim 12 wherein the step of forming the funnel comprises: attaching a plurality of brackets to the pole, the brackets including angularly outwardly extending arms; and supporting the second sheet on said bracket arms, the second sheet being comprised of flat stock having the shape of a partial annulus. 14. The method of claim 13 wherein the step of supporting the spacer members comprises: selecting spacer member comprising, elongated elements having plural projecting portions on at least a first side thereof; placing the projections on said elements in contact with the exterior surface of the pole with the elements substantially parallel with the axis of the pole; and mechanically fastening each of the elements to the pole at a plurality of points along its length. 15. The method of claim 1 wherein the pole is severed along a line defined by the upper edge of said first sheet thereby forming upper and lower pole sections with said first sheet circumscribing said lower section, and wherein said method further comprises: forming a cavity about the upper pole section with a pliable sheet; filling said upper pole section cavity with said encapsulating material; affixing a plurality of generally L-shaped brackets to said upper and lower pole sections, said brackets being in registration and in contact with the cavity defining sheets, the brackets on the upper pole section being oriented oppositely with respect to the brackets on the lower pole section; and joining said brackets to one another by a fastening system which will release in response to an impact directed transversely to the pole axis. 16. The method of claim 7 wherein the pole is in two sections and said cavity defined by said first sheet extends above and below the junction of said pole sections. 17. The method of claim 16 further comprising the step of: shaping the abutting faces of the pole sections to define a complementary interlocking relationship therebetween. 18. A method of fabricating a break-away pole comprising the steps of: supporting a plurality of elongated spacer members about a portion of the exterior surfaces of each of upper and lower abutting pole sections, the spacer members being oriented substantially in parallelism with respect to one another; wrapping first pliable sheets around the supported spacer members, the sheets each having substantially straight edge first edges; marking each of the first sheets along a line adjacent to the overlapping of its first edge; removing the first sheets and severing them along the marked lines to form first sheet second edges disposed oppositely and parallel to said first edges; rewrapping the severed sheets around the supported spacer members, the rewrapped sheets defining cavities about the pole sections, said cavities extending along the pole sections from the abutting ends thereof, the spacer members being disposed in said cavities; affixing a plurality of generally L-shaped brackets to said upper and lower pole sections, said brackets being in registration on the sections and abutting the cavity defining sheets, the brackets on the upper pole section being oriented oppositely with respect to the brackets on the lower pole section; forming a first pouring funnel with another sheet of material, the smaller end of said first funnel being disposed between the lower pole section and its jacket; pouring an encapsulating material comprising an epoxy resin into the cavity via the first funnel whereby the encapsulating material contacts and encapsulates the lower pole section along the length of the cavity; removing the first funnel subsequent to the pouring of said encapsulating material; joining said brackets to one another by a fastening system which will release in response to an impact directed transversely to the pole axis; forming a second pouring funnel about the upper pole section from sheet material, the smaller end of said second funnel being disposed between the upper pole section and its jacket; pouring the encapsulating material into the cavity about the upper pole section via said second funnel whereby the encapsulating material contacts and encapsulates the upper pole section along the length of the cavity; and removing the second funnel subsequent to the pouring of the encapsulating material.

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