GB297006A - Improvements in and relating to inspection covers for drains - Google Patents

Improvements in and relating to inspection covers for drains

Info

Publication number
GB297006A
GB297006A GB1525627A GB1525627A GB297006A GB 297006 A GB297006 A GB 297006A GB 1525627 A GB1525627 A GB 1525627A GB 1525627 A GB1525627 A GB 1525627A GB 297006 A GB297006 A GB 297006A
Authority
GB
United Kingdom
Prior art keywords
cap
drains
relating
flange
inspection
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
GB1525627A
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.)
BRENT FOUNDRY Co Ltd
CHARLES NAPOLEON OSTERFIELD WR
Original Assignee
BRENT FOUNDRY Co Ltd
CHARLES NAPOLEON OSTERFIELD WR
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 BRENT FOUNDRY Co Ltd, CHARLES NAPOLEON OSTERFIELD WR filed Critical BRENT FOUNDRY Co Ltd
Priority to GB1525627A priority Critical patent/GB297006A/en
Publication of GB297006A publication Critical patent/GB297006A/en
Expired 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
    • E02D29/14—Covers for manholes or the like; Frames for covers

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth 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)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

297,006. Brent Foundry Co., Ltd., Rogers, S. S., and Wray, C. N. O. June 8, 1927. Manhole covers.-A movable airtight inspection cover a for drains has a small inspection cap d retained by a chain (not shown) and fitted with a hand recess k and handle l, the cap having a groove g and flange h engaging with a corresponding groove and flange on the opening in the cover a for making the cap airtight. The cap is locked on turning by lugs i which engage inclines j after the manner of a bayonet joint.
GB1525627A 1927-06-08 1927-06-08 Improvements in and relating to inspection covers for drains Expired GB297006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1525627A GB297006A (en) 1927-06-08 1927-06-08 Improvements in and relating to inspection covers for drains

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1525627A GB297006A (en) 1927-06-08 1927-06-08 Improvements in and relating to inspection covers for drains

Publications (1)

Publication Number Publication Date
GB297006A true GB297006A (en) 1928-09-10

Family

ID=10055820

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1525627A Expired GB297006A (en) 1927-06-08 1927-06-08 Improvements in and relating to inspection covers for drains

Country Status (1)

Country Link
GB (1) GB297006A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398233A1 (en) * 1977-07-18 1979-02-16 Clark Francis Pressed metal manhole cover - is pressed in single operation with cup shaped recesses receiving cross-bars to form lifting handles
GB2280921A (en) * 1993-08-09 1995-02-15 Alan Bettin Lockable unit for installation in a manhole cover
WO2002057550A1 (en) * 2001-01-17 2002-07-25 Pinpoint Solutions Corp. Panel inspection plug and method for assembling and using same
EP1635000A1 (en) * 2004-09-13 2006-03-15 Georg Prinzing GmbH & Co. KG Betonformen- und Maschinenfabrik Manhole cover with ventilation
GB2473838A (en) * 2009-09-24 2011-03-30 Paul Stuart Bowcock Manhole cover with closable waste disposal aperture
CN110700325A (en) * 2019-10-24 2020-01-17 邳州亚联环保科技有限公司 Well lid of easily opening

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398233A1 (en) * 1977-07-18 1979-02-16 Clark Francis Pressed metal manhole cover - is pressed in single operation with cup shaped recesses receiving cross-bars to form lifting handles
GB2280921A (en) * 1993-08-09 1995-02-15 Alan Bettin Lockable unit for installation in a manhole cover
GB2280921B (en) * 1993-08-09 1996-10-30 Alan Bettin Animal waste disposal cover unit
WO2002057550A1 (en) * 2001-01-17 2002-07-25 Pinpoint Solutions Corp. Panel inspection plug and method for assembling and using same
US6616370B1 (en) 2001-01-17 2003-09-09 John A. Signorelli Panel inspection plug and method for assembling and using same
EP1635000A1 (en) * 2004-09-13 2006-03-15 Georg Prinzing GmbH & Co. KG Betonformen- und Maschinenfabrik Manhole cover with ventilation
GB2473838A (en) * 2009-09-24 2011-03-30 Paul Stuart Bowcock Manhole cover with closable waste disposal aperture
CN110700325A (en) * 2019-10-24 2020-01-17 邳州亚联环保科技有限公司 Well lid of easily opening

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