(19)
(11) EP 0 286 999 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.01.1991 Bulletin 1991/01

(43) Date of publication A2:
19.10.1988 Bulletin 1988/42

(21) Application number: 88105678.2

(22) Date of filing: 09.04.1988
(51) International Patent Classification (IPC)4: E04B 1/61
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 16.04.1987 SE 8701607

(71) Applicant: ABB FLÄKT AB
S-131 34 Nacka (SE)

(72) Inventors:
  • Svensson, Gunnar
    S-552 75 Jönköping (SE)
  • Johnsson, Lars
    S-562 00 Jönköping (SE)
  • Karlsson, Ingemar
    S-562 00 Norrahammar (SE)

(74) Representative: Siebmanns, Hubertus 
Gotapatent AB, Box 154
S-561 22 Huskvarna
S-561 22 Huskvarna (SE)


(56) References cited: : 
   
       


    (54) A connection assembly


    (57) A connection assembly primarily for so-called air treatment apparatus housing slabs (1), the edges of the slabs (1) which are to be connected being provided with support sections (2). Each support section (2) has edge portion legs (12,25), a joining web (6) and a squeezing leg (7) substantially at right angles thereto, the leg being terminated by an abutment end (8), and having a length ( ) corresponding to approximate­ly half the depth (L) of the slab or support section. The edge portion is U-shaped with two legs, one (25) of which being attached to the adjacent slab and one (12) being free with a gap (26) therebetween. The web (4) of the connection section (3) in a position of use is flush with one flat face (22) of the slab (1) or at a level which is parallel to this face. Locking legs (5) depart from the edges of the web (4) and with the aid of stiffening bends (9, 10) engage and re­tain in the connection position the abutment ends (8) of the support sections (2). The connection section (3) engages against the legs (12) of edge portions and/or with the ad­jacent major surface (22) of the slabs (1) with external engagement surfaces (13).







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