GB688867A - Hand-hole and man-hole closures for steam boilers, compressed-air containers and the like - Google Patents

Hand-hole and man-hole closures for steam boilers, compressed-air containers and the like

Info

Publication number
GB688867A
GB688867A GB25551/50A GB2555150A GB688867A GB 688867 A GB688867 A GB 688867A GB 25551/50 A GB25551/50 A GB 25551/50A GB 2555150 A GB2555150 A GB 2555150A GB 688867 A GB688867 A GB 688867A
Authority
GB
United Kingdom
Prior art keywords
hole
man
ring
hand
edge
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
GB25551/50A
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
Publication of GB688867A publication Critical patent/GB688867A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J13/00—Covers or similar closure members for pressure vessels in general
    • F16J13/02—Detachable closure members; Means for tightening closures
    • F16J13/04—Detachable closure members; Means for tightening closures attached with a bridge member
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Clamps And Clips (AREA)
  • Gasket Seals (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

688,867. Man-hole &c: covers. AFFLERBACH, O. Oct. 19, 1950 [Oct. 20, 1949; Sept. 14, 1950]. No. 25551/50. Class 123 (i). The edge of an elliptical man or hand hole in the shell 5 of a steam boiler &c. is bevelled and also reinforced by a ring 3 which has a conical outer surface and is welded to said edge by a V- shaped seam 6. The ring 3 may be a solid drop forging or formed from pressed sheet metal. The man-hole cover 1 has a flat peripheral flange 1a which surrounds an outwardly convex part .mounting a central clamping bolt 2 fitted with a stirrup 9 which, preferably, has four spaced bracing arms provided with end recesses 9a, 9b adapted to engage the upper edge of the ring 3. A gasket 4 is interposed between the cover flange la and the lower plane surface 3a of the ring 3.
GB25551/50A 1949-10-20 1950-10-19 Hand-hole and man-hole closures for steam boilers, compressed-air containers and the like Expired GB688867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1949A0000030 DE1613432U (en) 1949-10-20 1949-10-20 MANUAL AND MAN HOLE SEAL FOR PRESSURE, STEAM OR COMPRESSED AIR BOILER, BOILER AND THE LIKE.

Publications (1)

Publication Number Publication Date
GB688867A true GB688867A (en) 1953-03-18

Family

ID=29751482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25551/50A Expired GB688867A (en) 1949-10-20 1950-10-19 Hand-hole and man-hole closures for steam boilers, compressed-air containers and the like

Country Status (2)

Country Link
DE (1) DE1613432U (en)
GB (1) GB688867A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102313132A (en) * 2010-07-06 2012-01-11 上海申江压力容器有限公司 Improved structure of gas storage tank access hole
CN108269625A (en) * 2016-12-30 2018-07-10 中核核电运行管理有限公司 A kind of multi-functional anti-foreign matter blocking component of heavy water reactor Steam Generators in NPP hand hole

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102313132A (en) * 2010-07-06 2012-01-11 上海申江压力容器有限公司 Improved structure of gas storage tank access hole
CN102313132B (en) * 2010-07-06 2015-02-11 上海申江压力容器有限公司 Improved structure of gas storage tank access hole
CN108269625A (en) * 2016-12-30 2018-07-10 中核核电运行管理有限公司 A kind of multi-functional anti-foreign matter blocking component of heavy water reactor Steam Generators in NPP hand hole

Also Published As

Publication number Publication date
DE1613432U (en) 1950-09-21

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