DK137582B - Closing means for manholes or similar hatches. - Google Patents

Closing means for manholes or similar hatches.

Info

Publication number
DK137582B
DK137582B DK528872A DK528872A DK137582B DK 137582 B DK137582 B DK 137582B DK 528872 A DK528872 A DK 528872A DK 528872 A DK528872 A DK 528872A DK 137582 B DK137582 B DK 137582B
Authority
DK
Denmark
Prior art keywords
manholes
hatches
similar
closing means
closing
Prior art date
Application number
DK528872A
Other languages
Danish (da)
Other versions
DK137582C (en
Inventor
Nils Hoever
Original Assignee
Nils Hoever
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 Nils Hoever filed Critical Nils Hoever
Publication of DK137582B publication Critical patent/DK137582B/en
Application granted granted Critical
Publication of DK137582C publication Critical patent/DK137582C/da

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)
DK528872A 1971-10-27 1972-10-25 Closing means for manholes or similar hatches. DK137582B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK137582B true DK137582B (en) 1978-03-28
DK137582C DK137582C (en) 1978-08-21

Family

ID=19879964

Family Applications (1)

Application Number Title Priority Date Filing Date
DK528872A DK137582B (en) 1971-10-27 1972-10-25 Closing means for manholes or similar hatches.

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2421819A1 (en) * 1978-04-07 1979-11-02 Pechiney Aluminium SELF-SEALING DEVICE FOR TRANSPORT TANK
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 (en) * 1956-10-01 1962-05-30 Linke Hofmann Busch Closure for containers, especially for the dome of tank cars
DE1736398U (en) * 1956-10-16 1956-12-20 Anton Loewenkamp SELF-ACTING LID CLOSURE.
BE643859A (en) * 1963-02-15
JPS4020099Y1 (en) * 1964-03-21 1965-07-13
BE663843A (en) * 1964-05-16 1965-09-01

Also Published As

Publication number Publication date
DE2252861B2 (en) 1981-02-26
DE2252861A1 (en) 1973-05-10
DE2252861C3 (en) 1981-12-17
DK137582C (en) 1978-08-21
NO128906B (en) 1974-01-28
SE390711B (en) 1977-01-17
JPS4872953A (en) 1973-10-02
GB1403444A (en) 1975-08-28

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