GB852048A - - Google Patents

Info

Publication number
GB852048A
GB852048A GB852048DA GB852048A GB 852048 A GB852048 A GB 852048A GB 852048D A GB852048D A GB 852048DA GB 852048 A GB852048 A GB 852048A
Authority
GB
United Kingdom
Prior art keywords
sheet
primer
cold
pipe
wrapping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Publication date
Publication of GB852048A publication Critical patent/GB852048A/en
Expired legal-status Critical Current

Links

Landscapes

  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

852,048. Pipe &c. coverings. HOPKINS, J. R., and McNULTY, F. E. Feb. 8, 1958, No. 4193/58. Class 99(2). In a method of cold bonding a protective wrapping to the external surface of a metallic body such as a pipe or cable without the application of any heat, wherein the wrapping comprises a cold preformed sheet of reinforcing fabric, e.g. glass fibre cloth saturated and coated on both sides with substantial amounts of highmelting-point coal tar, asphalt or microcrystalline wax, the sheet being of at least a size to be wrapped about the body, a cold, heavy-bodied, grease-like, solvent-release, bituminous primer is first applied to the surface of the body and the sheet is wrapped tightly around the body and over the cold primer while the latter is still wet. The primer includes a residue constituent of asphalt or coal tar and a solvent both of which are chemically compatible with the coal tar, asphalt or wax, the solvent being absorbed by and dissipated out of the sheet to cause the sheet to become solidified and bonded to the body with the sheet and primer residue forming a homogenous wrapping. As shown, the sheet 2 is wrapped convolutely around a pipe 5 to provide a longitudinal lapping 8, additional primer 6 being applied to the lapping ; alternatively, the sheet is wound helically or spirally about the pipe, adjacent convolutions of the sheet overlapping by half the width of the sheet. A second coating of cold primer 6 and a second wrapping may be applied.
GB852048D Expired GB852048A (en)

Publications (1)

Publication Number Publication Date
GB852048A true GB852048A (en) 1900-01-01

Family

ID=1752680

Family Applications (1)

Application Number Title Priority Date Filing Date
GB852048D Expired GB852048A (en)

Country Status (1)

Country Link
GB (1) GB852048A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0138742A2 (en) * 1983-07-11 1985-04-24 MANNESMANN Aktiengesellschaft Process to produce a mechanical protective layer for steel pipes
GB2190448A (en) * 1986-05-13 1987-11-18 Grace W R Ltd Ambient shrinkable pipe-coupling cover

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0138742A2 (en) * 1983-07-11 1985-04-24 MANNESMANN Aktiengesellschaft Process to produce a mechanical protective layer for steel pipes
EP0138742A3 (en) * 1983-07-11 1987-01-28 MANNESMANN Aktiengesellschaft Process to produce a mechanical protective layer for steel pipes
GB2190448A (en) * 1986-05-13 1987-11-18 Grace W R Ltd Ambient shrinkable pipe-coupling cover
GB2190448B (en) * 1986-05-13 1991-01-02 Grace W R Ltd Shrinkable pipe wrapping

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