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Spliced elongate member and method

Imported: 24 Feb '17 | Published: 06 Jan '04

George W. Davis

USPTO - Utility Patents

Abstract

The invention discloses an elongate spliced member, particularly a tooth rack for a rapier loom, and a method for making same. The spliced member includes two elongate member segments joined at respective ends and having at least one through aperture positioned laterally from a respective first side to a second side adjacent the joined ends. An elongate recess is formed on opposed surfaces of the member segments, and each recess surrounds a respective aperture and communicates with the respective joined end of the segments. A carbon fiber strand is wound alternately through the aperture in each of the segments to splice the segments together end-to-end. The spliced member has the functional characteristics equivalent to an integrally formed member of the same length.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

Some of the objects of the invention have been set forth above. Other objects and advantages of the invention will appear as the invention proceeds when taken in conjunction with the following drawings, in which:

FIG. 1 is a perspective view of two preferred member segments of the invention prior to being spliced into a single elongate member.

FIG. 1A is an enlarged perspective view of the preferred member segments of FIG. 1;

FIG. 2 is a perspective view of the preferred member segments being positioned on a stabilizing unit;

FIG. 3 is a perspective view of the preferred member segments on the stabilizing unit and held stationary by a vice grip;

FIG. 4 is a perspective view of the preferred member segments being spliced together with a carbon fiber strand;

FIG. 5 is an enlarged perspective view of the preferred member segments being spliced together with a carbon fiber strand;

FIG. 6 is a partial perspective view of the preferred member segments spliced together as a single elongate member and covered with an epoxy adhesive;

FIG. 7 is a partial perspective view of the spliced elongate member of FIG. 6 after the epoxy has been heated and cured;

FIG. 8 is a partial cross-sectional view of the preferred member segments spliced together with a carbon strand;

FIG. 9 is a partial cross-sectional view as along line

9 in FIG. 7;

FIG. 10 is a perspective view of a preferred spliced elongate member and exploded parts of a holding unit;

FIG. 11 is a perspective view of a preferred elongate spliced member contained in the holding unit of FIG. 10;

FIG. 12 is a perspective view of the preferred spliced elongate member and holding unit of FIG. 11 in a heating unit (shown in phantom); and

FIG. 13 is a perspective view of a preferred spliced elongate member.

FIG. 14A is a partial perspective view of a recess being formed on a preferred member segment.

FIG. 14B is a partial perspective view of a second recess being formed on the member segment of FIG.

14A.

FIG. 14C is a partial perspective view of a third recess being formed on the member segment of FIG.

14A.

Claims

1. An elongate spliced member comprising:

2. An elongate spliced member according to claim 1 wherein said first and second elongate member segments mate together at respective ends to form intimate contact with each other.

3. An elongate spliced member according to claim 1 wherein said apertures are defined by rounded edges in said first and second elongate member segments to reduce stress on said fiber carbon fiber strand by reducing sharp bending thereof.

4. An elongate spliced member according to claim 1 wherein said carbon fiber strand is wound along said recesses such that said carbon strand is flush with adjacent surfaces of said first and second elongate member segments.

5. An elongate spliced member according to claim 1 further comprising an adhesive covering said carbon strand and occupying voids defined by said carbon strand and said recesses in said first and second elongate member segments.

6. An elongate spliced member according to claim 5 wherein said adhesive is an epoxy.

7. An elongate spliced member according to claim 1 comprising a series of elongate recesses of varying depth formed on opposed surfaces of each of the first and second elongate member segments, each said recess surrounding a respective aperture and communicating with the respective joined end of the first and second elongate member segments.

8. An elongated spliced member according to claim 7 wherein said series of elongate recesses are located proximate an end of said first and second elongate member segments, said recesses decreasing in depth from the recesses located nearest to said ends having the greatest depth to the recesses located furthest from said ends having the least depth.

9. An elongate spliced member according to claim 7 wherein said carbon fiber strand is wound around the recesses having greater depth a greater number of times than around the recesses having less depth.

10. An elongate spliced member according to claim 1 wherein said first and second elongate member segments comprise a longitudinal surface having teeth.

11. An elongate spliced member according to claim 10 wherein said spliced tooth rack segment is a tooth rack for a rapier loom.

12. An elongate spliced member comprising:

13. An elongate spliced member according to claim 12 wherein said carbon fiber strand is wound through each aperture four times.

14. An elongate spliced member according to claim 12 wherein said carbon fiber strand is wound along said first, second and third elongate recesses such that said carbon fiber strand is flush with said surfaces of said first and second elongate member segments.

15. An elongate spliced member according to claim 12 wherein said apertures are defined by rounded edges of said first and second elongate member segments to reduce stress on said carbon strand by reducing sharp bending of said carbon strand.

16. An elongate spliced member according to claim 12 wherein said elongate member segments comprise a longitudinal surface defining a series of uniformly spaced apart teeth.

17. An elongate spliced member according to claim 12 wherein said spliced member is a tooth rack for a rapier loom.

18. An elongate spliced member according to claim 12 further comprising an adhesive covering said carbon strand and occupying voids defined by said carbon strand and the recesses in said lateral surfaces.

19. An elongate spliced member according to claim 18 wherein said adhesive is an epoxy.