GB2454510A - Embossing plastics pipe - Google Patents

Embossing plastics pipe Download PDF

Info

Publication number
GB2454510A
GB2454510A GB0722045A GB0722045A GB2454510A GB 2454510 A GB2454510 A GB 2454510A GB 0722045 A GB0722045 A GB 0722045A GB 0722045 A GB0722045 A GB 0722045A GB 2454510 A GB2454510 A GB 2454510A
Authority
GB
United Kingdom
Prior art keywords
pipe
emboss
clamping
clamped
electrofusion
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.)
Withdrawn
Application number
GB0722045A
Other versions
GB0722045D0 (en
Inventor
Graham Joseph Tannant
Kevin Mark Wilkinson
Martin John Clements
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advance Technical Systems Ltd
Original Assignee
Advance Technical Systems Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Advance Technical Systems Ltd filed Critical Advance Technical Systems Ltd
Priority to GB0722045A priority Critical patent/GB2454510A/en
Publication of GB0722045D0 publication Critical patent/GB0722045D0/en
Publication of GB2454510A publication Critical patent/GB2454510A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/021—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing of profiled articles, e.g. hollow or tubular articles, beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

An annular re-rounding/positioning/restraining clamp has at least one steel or hardened plate 1 embedded into the inner circumference either as a removable item or as part of its manufacture. The plate has an inscription, e.g. "clamped", to mark a plastics pipe held by the clamp. This allows all concerned parties, e.g. user and management of the pipe, to have physical evidence of correct clamping or subsequent work, e.g. electrofusion, carried out on the pipe.

Description

I
PATENT APPLICATION
TITLE: Proof Positive Plastic Pipe Marking and Embossing System
BACKGROUND:
Plastic pipes sometimes need to be re-rounded, and always need to be clamped before Electrofusion or Butt-Fusion jointing to ensure the pipes do not move during the welding process. Currently there is no way of proving that the pipes being electrofusion welded have been correctly clamped during the process of welding, and there is evidence that a large percentage of welded joint failures are due to incorrect preparation of re-rounding and failure of clamping the pipe.
STATEMENT OF INVENTION:
To overcome the problem of poor installation techniques, this invention forces the operator of the electrofusion process to prove the pipe has been prepared correctly and clamped during the electrofusion process by embossing/marking the plastic pipe on either side of the fitting/joint with a legend fitted to the clamping rings which may contain a steel/hardened plate, for example "CLAMPED" and which at the time of clamping marks the pipe as proof of using the clamp in the correct manner.
ADVANTAGES: The contractor(s) using the equipment can show that they have prepared the pipe correctly by demonstrating the LEGEND embossed pipe on either side of the joint.
The contractors customer/owner of the asset/pipe system can easily check that each and every joint on the system has been clamped correctly by checking for the LEGEND embossing on either side of the joint made by the invention The invention is designed in such a way that it can be fitted to any size of re-rounding or clamping device.
The invention is designed in such a way that it can be used to mark any size/diameter of plastic pipe that has to be clamped or re-rounded for electrofusion jointing.
The invention can be used as a cold embossing device or heated to suit the application when required.
DRAWINGS: SHEET 1: Shows (1) a steel or hardened material LEGEND fitted to a re-rounding clamp unit or clamping ring (2) from an assembly of rings for differing plastic pipe sizes SHEET 2: Shows (3) the LEGEND marked/embossed into the plastic pipe either side of the electrofusior, fitting after being clamped with the invention SHEET 3: Shows (4) a complete ring of a re-rounding device or holding / positioning clamp with LEGEND inserts on both ring halves to mark either/or both sides of plastic pipes, both sides of the electrofusion fitting. lMS:

Claims (1)

1: An invention to physically emboss/indelibly mark plastic pipes ensuring/proving competent work has been carried out to best practice procedures when for example rerounding, clamping, or restraining pipes and fittings during the Electrofusion or Butt-Fusion welding process.
2: A LEGEND marking device to effect the claim 1: that may be worded/manufactured to suit the contractor or Standards agency(s) and mark/emboss the plastic pipes being clamped or re-rounded or restrained using a mechanical or hydraulically actuated device to effect the emboss.
3: A LEGEND marking device as in 2: that may be removed or part of the re-rounding/clamping /restraining device to allow interchange ability between differing clamp/ring sizes as required.
GB0722045A 2007-11-12 2007-11-12 Embossing plastics pipe Withdrawn GB2454510A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0722045A GB2454510A (en) 2007-11-12 2007-11-12 Embossing plastics pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0722045A GB2454510A (en) 2007-11-12 2007-11-12 Embossing plastics pipe

Publications (2)

Publication Number Publication Date
GB0722045D0 GB0722045D0 (en) 2007-12-19
GB2454510A true GB2454510A (en) 2009-05-13

Family

ID=38858458

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0722045A Withdrawn GB2454510A (en) 2007-11-12 2007-11-12 Embossing plastics pipe

Country Status (1)

Country Link
GB (1) GB2454510A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1144660A (en) * 1966-12-12 1969-03-05 Isao Sato Improved method of forming embossments on the surface of a synthetic resin tube
DE1946968A1 (en) * 1969-09-17 1971-03-25 Wilfried Hook Length marking of plastics extrusions
DE3630788A1 (en) * 1986-09-10 1988-03-24 Cebal Verpackungen Plastic tube, and method for its manufacture
US5238642A (en) * 1990-07-30 1993-08-24 Cebal Sa Process for producing engraved markings on a material in the manufacture of a flexible tube
EP0829340A1 (en) * 1996-09-13 1998-03-18 Courtaulds Packaging Inc. A method of decorating multilayered plastic tubes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1144660A (en) * 1966-12-12 1969-03-05 Isao Sato Improved method of forming embossments on the surface of a synthetic resin tube
DE1946968A1 (en) * 1969-09-17 1971-03-25 Wilfried Hook Length marking of plastics extrusions
DE3630788A1 (en) * 1986-09-10 1988-03-24 Cebal Verpackungen Plastic tube, and method for its manufacture
US5238642A (en) * 1990-07-30 1993-08-24 Cebal Sa Process for producing engraved markings on a material in the manufacture of a flexible tube
EP0829340A1 (en) * 1996-09-13 1998-03-18 Courtaulds Packaging Inc. A method of decorating multilayered plastic tubes

Also Published As

Publication number Publication date
GB0722045D0 (en) 2007-12-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)