GB2283049A - Pipe safety guard - Google Patents

Pipe safety guard Download PDF

Info

Publication number
GB2283049A
GB2283049A GB9320492A GB9320492A GB2283049A GB 2283049 A GB2283049 A GB 2283049A GB 9320492 A GB9320492 A GB 9320492A GB 9320492 A GB9320492 A GB 9320492A GB 2283049 A GB2283049 A GB 2283049A
Authority
GB
United Kingdom
Prior art keywords
guard
safety guard
grille
pipe safety
ring
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Withdrawn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
GB9320492A
Other versions
GB9320492D0 (en
Inventor
Shaun Ronald Yearsley
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9320492A priority Critical patent/GB2283049A/en
Publication of GB9320492D0 publication Critical patent/GB9320492D0/en
Publication of GB2283049A publication Critical patent/GB2283049A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/06—Devices for restraining rats or other animals

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)

Abstract

An internal safety guard has a three legged grille which locates inside an outer ring 1 and expands by the means of two adjusting screws 3, located in two of the grille legs 4. This enables the guard to be secured internally without the use of any permanent fixtures. <IMAGE>

Description

INTERNAL SAFTETY GUARD This Invention relates to an Internal Safety Guard.
Guards are used to stop people gaining access to dangerous areas. Guards used on circular drainage pipes or shafts are fixed externally by the means of screws or bolts to a surrounding header wall or similar method. In remote areas it would be expensive and time consuming to build header walls around pipes so a guard could be secured.
The Internal Guard fits inside the circular pipe and is expanded by the means of two adjustment screws and an expanding ring. It involves no permant fixtures.
Figure 1 shows complete guard.
Figure 2 shows the extending screw mechanism.
Figure 3 shows the extending screw mechanism again.
Referring to the drawing the guard comprises of an expanding ring 1, safety grille 2 and adjusting screws 3.
The grille structure is made up of three tubular struts 4 and spacer rings 5 and spacing of no more then lOOmm.
The expanding ring is a i ring with a stub 6, fixed at the centre point with two retainer edges 7, spaced on the ring at 1200 either side of the stub. The outside diameter of the stub should fit inside the tubular strut.
To install the guard fully return the adjustment screws and place the grille inside the expanding ring by inserting the strut on the stub, then place the complete guard inside the pipe square and the adjustment screws tightened outwards until the guard is secured in the pipe. Then lock locknuts 8 tightly.
The adjustment screws are studs with a flat ground on them, the bore of the two struts should be shaped to stop the stud turning while adjustments are being made as shown in figure 2u and figure 3.
To release guard, operations above should be done in reverse order.

Claims (2)

1. An internal safety guard comprising of an outer expanding ring and a three legged safety grille.
2. An internal safety guard as claimed in claim 1, wherein adjusters are provided on two of the legs on the grille to expand the outer ring.
GB9320492A 1993-10-05 1993-10-05 Pipe safety guard Withdrawn GB2283049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9320492A GB2283049A (en) 1993-10-05 1993-10-05 Pipe safety guard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9320492A GB2283049A (en) 1993-10-05 1993-10-05 Pipe safety guard

Publications (2)

Publication Number Publication Date
GB9320492D0 GB9320492D0 (en) 1993-11-24
GB2283049A true GB2283049A (en) 1995-04-26

Family

ID=10743018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9320492A Withdrawn GB2283049A (en) 1993-10-05 1993-10-05 Pipe safety guard

Country Status (1)

Country Link
GB (1) GB2283049A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005093168A1 (en) * 2004-03-26 2005-10-06 Jens Skov Fall-prevention device intended to prevent the unhindered fall of people into a corrugated well shaft.
CN106181820A (en) * 2016-08-23 2016-12-07 湖南大学 Energy-absorbing tube fixing device
ES2931213A1 (en) * 2021-06-18 2022-12-27 Prezero Espana S A SEWER HOLE PROTECTOR (Machine-translation by Google Translate, not legally binding)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2275966A (en) * 1993-03-08 1994-09-14 Pioden Controls Ltd Security device for blocking ducts

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2275966A (en) * 1993-03-08 1994-09-14 Pioden Controls Ltd Security device for blocking ducts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005093168A1 (en) * 2004-03-26 2005-10-06 Jens Skov Fall-prevention device intended to prevent the unhindered fall of people into a corrugated well shaft.
CN106181820A (en) * 2016-08-23 2016-12-07 湖南大学 Energy-absorbing tube fixing device
ES2931213A1 (en) * 2021-06-18 2022-12-27 Prezero Espana S A SEWER HOLE PROTECTOR (Machine-translation by Google Translate, not legally binding)

Also Published As

Publication number Publication date
GB9320492D0 (en) 1993-11-24

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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)