[go: up one dir, main page]

GB2223677B - Trapdoors - Google Patents

Trapdoors

Info

Publication number
GB2223677B
GB2223677B GB8922142A GB8922142A GB2223677B GB 2223677 B GB2223677 B GB 2223677B GB 8922142 A GB8922142 A GB 8922142A GB 8922142 A GB8922142 A GB 8922142A GB 2223677 B GB2223677 B GB 2223677B
Authority
GB
United Kingdom
Prior art keywords
trapdoors
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 - Lifetime
Application number
GB8922142A
Other versions
GB2223677A (en
GB8922142D0 (en
Inventor
William Price Jones
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 GB8922142D0 publication Critical patent/GB8922142D0/en
Publication of GB2223677A publication Critical patent/GB2223677A/en
Application granted granted Critical
Publication of GB2223677B publication Critical patent/GB2223677B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/12—Hinged dampers
    • 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
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/01—Trap-doors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Special Wing (AREA)
GB8922142A 1988-10-03 1989-10-02 Trapdoors Expired - Lifetime GB2223677B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888823135A GB8823135D0 (en) 1988-10-03 1988-10-03 Trapdoors

Publications (3)

Publication Number Publication Date
GB8922142D0 GB8922142D0 (en) 1989-11-15
GB2223677A GB2223677A (en) 1990-04-18
GB2223677B true GB2223677B (en) 1992-01-15

Family

ID=10644607

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888823135A Pending GB8823135D0 (en) 1988-10-03 1988-10-03 Trapdoors
GB8922142A Expired - Lifetime GB2223677B (en) 1988-10-03 1989-10-02 Trapdoors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888823135A Pending GB8823135D0 (en) 1988-10-03 1988-10-03 Trapdoors

Country Status (1)

Country Link
GB (2) GB8823135D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103893926A (en) * 2014-03-25 2014-07-02 美信佳集团建设有限公司 Fireproofing conjugate fall door of high-rise building stairwells

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2849459B1 (en) * 2002-12-30 2006-11-24 Georges Harnois LOCAL BURNER
GB2491493B (en) * 2012-06-21 2014-01-15 John Golding Door for a domestic dwelling
BE1023581B1 (en) * 2015-08-25 2017-05-09 Teplux Bvba DEVICE FOR COVERING A STAIRWAY

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344505A (en) * 1980-08-14 1982-08-17 Waters E Eugene Insulation cap for disappearing stairwells
GB2099898A (en) * 1981-05-22 1982-12-15 Redgwick Anthony James Door assembly
EP0124910A2 (en) * 1983-05-10 1984-11-14 Stöbich Brandschutz GmbH Fire barrier for a ceiling aperture of a pater-noster lift

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344505A (en) * 1980-08-14 1982-08-17 Waters E Eugene Insulation cap for disappearing stairwells
GB2099898A (en) * 1981-05-22 1982-12-15 Redgwick Anthony James Door assembly
EP0124910A2 (en) * 1983-05-10 1984-11-14 Stöbich Brandschutz GmbH Fire barrier for a ceiling aperture of a pater-noster lift

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103893926A (en) * 2014-03-25 2014-07-02 美信佳集团建设有限公司 Fireproofing conjugate fall door of high-rise building stairwells
CN103893926B (en) * 2014-03-25 2016-03-02 美信佳集团建设有限公司 The fire prevention of skyscraper staircase grips door

Also Published As

Publication number Publication date
GB2223677A (en) 1990-04-18
GB8823135D0 (en) 1988-11-09
GB8922142D0 (en) 1989-11-15

Similar Documents

Publication Publication Date Title
DE3991334D2 (en) Elastische kniegelenkbandage
EP0332928A3 (en) Fire-hemming elements
DE3990051D2 (en) Gaslaser
AU105058S (en) Sunlounger
GB2223677B (en) Trapdoors
BG47752A1 (en) Reductor- evaporator
BG49585A1 (en) Anemorumbometer
DE3990052D2 (en) Fenster- oder tuereinheit
DE3990355D2 (en) Lichtleiterkoppler
GB8801535D0 (en) Panti-hose construction
CA60525S (en) Cheeseboard
CA60669S (en) Chevalet
DE3990058D2 (en) Langlaufskibindungsanordnung
CA60421S (en) Wax-applicator
DE3990515D2 (en) 2-komponenten-bindemittel
DE3990624D2 (en) Systemwerkzeug
GB8800336D0 (en) Gun-gabnet construction
GB8820958D0 (en) Detecta-phone
BG46508A1 (en) Deltaplane
AU107436S (en) Playbox
AU105960S (en) Gamesboard
AU105743S (en) Headerboard
BG45567A1 (en) Throacar
GB8813003D0 (en) Pendu-level
BG45654A1 (en) Vibro- insulator

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961002