GB2049866B - Mine airlock door - Google Patents

Mine airlock door

Info

Publication number
GB2049866B
GB2049866B GB7917717A GB7917717A GB2049866B GB 2049866 B GB2049866 B GB 2049866B GB 7917717 A GB7917717 A GB 7917717A GB 7917717 A GB7917717 A GB 7917717A GB 2049866 B GB2049866 B GB 2049866B
Authority
GB
United Kingdom
Prior art keywords
mine
airlock door
airlock
door
mine airlock
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
GB7917717A
Other versions
GB2049866A (en
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.)
CORNES M
Original Assignee
CORNES M
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 CORNES M filed Critical CORNES M
Priority to GB7917717A priority Critical patent/GB2049866B/en
Publication of GB2049866A publication Critical patent/GB2049866A/en
Application granted granted Critical
Publication of GB2049866B publication Critical patent/GB2049866B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/48—Wings connected at their edges, e.g. foldable wings
    • E06B3/481—Wings foldable in a zig-zag manner or bi-fold wings
    • E06B3/483—Wings foldable in a zig-zag manner or bi-fold wings folding upwardly
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/10—Air doors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Extensible Doors And Revolving Doors (AREA)
GB7917717A 1979-05-22 1979-05-22 Mine airlock door Expired GB2049866B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7917717A GB2049866B (en) 1979-05-22 1979-05-22 Mine airlock door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7917717A GB2049866B (en) 1979-05-22 1979-05-22 Mine airlock door

Publications (2)

Publication Number Publication Date
GB2049866A GB2049866A (en) 1980-12-31
GB2049866B true GB2049866B (en) 1983-09-28

Family

ID=10505328

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7917717A Expired GB2049866B (en) 1979-05-22 1979-05-22 Mine airlock door

Country Status (1)

Country Link
GB (1) GB2049866B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2614926B1 (en) * 1987-05-07 1992-02-28 Caillet Rene LOW-DIMENSIONAL CURTAIN FOR CLOSING CROSSINGS
BE1009999A4 (en) * 1996-02-16 1997-11-04 Carbo Coal Enterprises Ltd Curtain with hinged elements for the closing off of passageways
CN102678036B (en) * 2012-05-30 2014-07-16 张卫 Pleated screen window

Also Published As

Publication number Publication date
GB2049866A (en) 1980-12-31

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940522