GB507563A - Improvements in and relating to manhole and like doors - Google Patents

Improvements in and relating to manhole and like doors

Info

Publication number
GB507563A
GB507563A GB3405837A GB3405837A GB507563A GB 507563 A GB507563 A GB 507563A GB 3405837 A GB3405837 A GB 3405837A GB 3405837 A GB3405837 A GB 3405837A GB 507563 A GB507563 A GB 507563A
Authority
GB
United Kingdom
Prior art keywords
door
manhole
class
bosses
doors
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
GB3405837A
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.)
CHARLES MCNEIL Ltd
Original Assignee
CHARLES MCNEIL 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 CHARLES MCNEIL Ltd filed Critical CHARLES MCNEIL Ltd
Priority to GB3405837A priority Critical patent/GB507563A/en
Publication of GB507563A publication Critical patent/GB507563A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/22—Drums; Headers; Accessories therefor
    • F22B37/221—Covers for drums, collectors, manholes or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

507,563. Manhole doors. McNEIL, Ltd., C., and McNEIL, J. Dec. 9, 1937, No. 34058. [Class 123(i)] A manhole door 11 of the internal type for pressure vessels is formed with a peripheral jointing flange 12, and on its external side with bosses 13 strengthened by radiating ribs 14, the bosses being threaded to receive door - fastening studs without penetration of the door. In Fig. 4, the door-fastening means engage apertured bosses 18. Strengthening ribs may be provided on both faces of the door. Reference has been directed by the Comptroller to Specifications 21474/06, [Class 123], and 160,376, [Class 123 (i)].
GB3405837A 1937-12-09 1937-12-09 Improvements in and relating to manhole and like doors Expired GB507563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3405837A GB507563A (en) 1937-12-09 1937-12-09 Improvements in and relating to manhole and like doors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3405837A GB507563A (en) 1937-12-09 1937-12-09 Improvements in and relating to manhole and like doors

Publications (1)

Publication Number Publication Date
GB507563A true GB507563A (en) 1939-06-09

Family

ID=10360851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3405837A Expired GB507563A (en) 1937-12-09 1937-12-09 Improvements in and relating to manhole and like doors

Country Status (1)

Country Link
GB (1) GB507563A (en)

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