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| Roof drip edge with flexible leg |
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Heat-recoverable article
| Details |
Inventors: Harris, Richard J.; Pithouse, Kenneth B.; Van Dijck, Frans S. J.;
Assignee: Raychem Limited (Swindon, GB2)
Primary Examiner:
Assistant Examiner:
Attorney, Agent or Firm:
An article comprises two areas of heat-recoverable woven fabric which are joined together along a line by means of a mechanical joining arrangement, such as stitches, staples or a stitched or stapled zip, which penetrates the fabric. The direction of crimp of the area penetrated is substantially perpendicular to the line of the join, or the two areas have substantially parallel directions of crimp. |
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DETAILED DESCRIPTION We claim: 1.
An article comprising two areas of woven fabric, at least one of which being heat-recoverable, joined together along a line by means of a mechanical joining arrangement that penetrates at least one of the areas of fabric, said area of fabric penetrated having a direction of crimp that is substantially perpendicular to the line at least along part of the length of the line.
2.
An article comprising two areas of woven fabric, at least one of which being heat-recoverable, joined together along a line by means of a mechanical joining arrangement that penetrates the two areas of fabric, the two areas of fabric having substantially mutually parallel directions of crimp along at least part of the line.
3.
An article as claimed in claim 1, wherein along at least the said part of the line, the two areas of fabric have directions of recovery that are substantially perpendicular to one another.
4.
An article as claimed in claim 1, wherein at least the said part of the line is substantially perpendicular to the direction of crimp of the areas of the fabrics.
5.
An article as claimed in claim 1, wherein the two areas of fabric form part of different component parts of the article.
6.
An article as claimed in claim 1, wherein the mechanical joining arrangement comprises one or more lines of stitches.
7.
An article as claimed in claim 6, wherein the or each line of stitches has from 200 to 800 stitches per meter.
8.
An article according to claim 6, wherein the mechanical joining arrangement additionally comprises a connecting means one part of which is joined to one of said areas and another part of which is joined to the other of said areas.
9.
An article as claimed in claim 6, wherein the line of stitches, or a line of stitches lying closest to an edge of one of the areas of recoverable fabric, is separated from the edge of the recoverable fabric by at least four rows of fibres.
10.
An article according to claim 1, wherein at least one of the areas of fabric can exhibit a recovery of at least 40%
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