NL147832B - ZIG-ZAG FOLDABLE BLADE ASSEMBLY FOR A VALVE. - Google Patents

ZIG-ZAG FOLDABLE BLADE ASSEMBLY FOR A VALVE.

Info

Publication number
NL147832B
NL147832B NL6507759A NL6507759A NL147832B NL 147832 B NL147832 B NL 147832B NL 6507759 A NL6507759 A NL 6507759A NL 6507759 A NL6507759 A NL 6507759A NL 147832 B NL147832 B NL 147832B
Authority
NL
Netherlands
Prior art keywords
zag
zig
valve
blade assembly
foldable blade
Prior art date
Application number
NL6507759A
Other languages
Dutch (nl)
Other versions
NL6507759A (en
Original Assignee
Air Balance
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 Air Balance filed Critical Air Balance
Publication of NL6507759A publication Critical patent/NL6507759A/xx
Publication of NL147832B publication Critical patent/NL147832B/en

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
    • 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
    • A62C2/14—Hinged dampers with two or more blades
    • A62C2/16—Hinged dampers with two or more blades multi-vane roll or fold-up type

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Air-Flow Control Members (AREA)
  • Building Environments (AREA)
  • Hinges (AREA)
NL6507759A 1964-06-17 1965-06-17 ZIG-ZAG FOLDABLE BLADE ASSEMBLY FOR A VALVE. NL147832B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37585564A 1964-06-17 1964-06-17

Publications (2)

Publication Number Publication Date
NL6507759A NL6507759A (en) 1965-12-20
NL147832B true NL147832B (en) 1975-11-17

Family

ID=23482647

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6507759A NL147832B (en) 1964-06-17 1965-06-17 ZIG-ZAG FOLDABLE BLADE ASSEMBLY FOR A VALVE.

Country Status (5)

Country Link
BE (1) BE665529A (en)
DE (1) DE1659374B2 (en)
FR (1) FR1445784A (en)
GB (1) GB1114215A (en)
NL (1) NL147832B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2280402A1 (en) * 1974-07-31 1976-02-27 Cableways Ltd Automatically closing air-duct concertina fire-protection flap - with springs at paired lamellae's hinged edges sectioned for tension when folded
IE832892L (en) * 1983-12-09 1985-06-09 Frances Malachy Loughran Fire and smoke damper.
FR2737246B1 (en) * 1995-07-26 1997-09-12 Soc D Expl Du Parc Des Exposit LARGE DOOR WITH QUICK OPENING

Also Published As

Publication number Publication date
FR1445784A (en) 1966-07-15
NL6507759A (en) 1965-12-20
GB1114215A (en) 1968-05-22
DE1659374B2 (en) 1975-10-16
BE665529A (en) 1965-12-16
DE1659374A1 (en) 1971-10-21

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: AIR BALANCE