NO128906B - - Google Patents

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Info

Publication number
NO128906B
NO128906B NO397371A NO397371A NO128906B NO 128906 B NO128906 B NO 128906B NO 397371 A NO397371 A NO 397371A NO 397371 A NO397371 A NO 397371A NO 128906 B NO128906 B NO 128906B
Authority
NO
Norway
Prior art keywords
mantle
pressed
end wall
steel ring
groove
Prior art date
Application number
NO397371A
Other languages
English (en)
Norwegian (no)
Inventor
N Hover
Original Assignee
N Hover
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 N Hover filed Critical N Hover
Priority to NO397371A priority Critical patent/NO128906B/no
Priority to DK528872A priority patent/DK137582B/da
Priority to GB4942272A priority patent/GB1403444A/en
Priority to SE1390172A priority patent/SE390711B/xx
Priority to DE19722252861 priority patent/DE2252861C3/de
Priority to JP47107797A priority patent/JPS4872953A/ja
Publication of NO128906B publication Critical patent/NO128906B/no

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
    • F16J13/22—Covers or similar closure members for pressure vessels in general with movement parallel to the plane of the opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/04—Cutting-off tools
    • 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
    • F16J13/16—Pivoted closures
    • F16J13/18—Pivoted closures pivoted directly on the frame

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Clamps And Clips (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
NO397371A 1971-10-27 1971-10-27 NO128906B (es)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NO397371A NO128906B (es) 1971-10-27 1971-10-27
DK528872A DK137582B (da) 1971-10-27 1972-10-25 Lukkeorgan til mandehuller eller lignende luger.
GB4942272A GB1403444A (en) 1971-10-27 1972-10-26 Closure apparatus for manholes
SE1390172A SE390711B (sv) 1971-10-27 1972-10-27 Anordning for tillslutning av manhal eller andra av en karm begrensade oppningar
DE19722252861 DE2252861C3 (de) 1971-10-27 1972-10-27 Verschlußanordnung für Öffnungen
JP47107797A JPS4872953A (es) 1971-10-27 1972-10-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO397371A NO128906B (es) 1971-10-27 1971-10-27

Publications (1)

Publication Number Publication Date
NO128906B true NO128906B (es) 1974-01-28

Family

ID=19879964

Family Applications (1)

Application Number Title Priority Date Filing Date
NO397371A NO128906B (es) 1971-10-27 1971-10-27

Country Status (6)

Country Link
JP (1) JPS4872953A (es)
DE (1) DE2252861C3 (es)
DK (1) DK137582B (es)
GB (1) GB1403444A (es)
NO (1) NO128906B (es)
SE (1) SE390711B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2421819A1 (fr) * 1978-04-07 1979-11-02 Pechiney Aluminium Dispositif de fermeture auto-etanche pour citerne de transport
US6095365A (en) * 1998-08-24 2000-08-01 The Heil Company Pivoting hatch cover assembly
US7658570B2 (en) 2006-10-02 2010-02-09 Delaware Captial Formation, Inc. Manhole system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1487518A (en) * 1922-06-12 1924-03-18 Pfaudler Co Inc Manhole closure
DE1130751B (de) * 1956-10-01 1962-05-30 Linke Hofmann Busch Verschluss fuer Behaelter, insbesondere fuer den Dom von Kesselwagen
DE1736398U (de) * 1956-10-16 1956-12-20 Anton Loewenkamp Selbsttaetiger deckelverschluss.
BE643859A (es) * 1963-02-15
JPS4020099Y1 (es) * 1964-03-21 1965-07-13
BE663843A (es) * 1964-05-16 1965-09-01

Also Published As

Publication number Publication date
DE2252861B2 (de) 1981-02-26
DE2252861A1 (de) 1973-05-10
DE2252861C3 (de) 1981-12-17
DK137582C (es) 1978-08-21
SE390711B (sv) 1977-01-17
JPS4872953A (es) 1973-10-02
GB1403444A (en) 1975-08-28
DK137582B (da) 1978-03-28

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