(19)
(11) EP 0 974 450 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.04.2000 Bulletin 2000/17

(43) Date of publication A2:
26.01.2000 Bulletin 2000/04

(21) Application number: 99305853.6

(22) Date of filing: 23.07.1999
(51) International Patent Classification (IPC)7: B31B 19/82, B31B 39/00
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 23.07.1998 GB 9815991

(71) Applicant: Gala International Group
Henley in Arden, Warwickshire B95 5BG (GB)

(72) Inventor:
  • Law, Timothy
    Cheadlehulme, Cheshire SK8 6FJ (GB)

(74) Representative: Kinton, Colin David 
Barker Brettell 138 Hagley Road, Edgbaston
Birmingham B16 9PW
Birmingham B16 9PW (GB)

   


(54) Window bags and a method of manufacture thereof


(57) A method of manufacturing a bag (1) with at least one window is provided. The method comprises the steps of firstly providing at least one window (8) in a sheet (2) of a first material. Secondly a second material is laminated to at least one surface of the sheet (2) of the first material such that the second material seals around the edges of the or each window (8). Lastly a bag (1) is formed from the laminated, windowed sheet of material such that one or more of the inner and/or outer surfaces of the bag (1) has the second material laminated thereto. The first material preferably comprises paper while the second material preferably comprises a plastics material. The lamination may be achieved by means of an adhesive or by heat-welding.






Search report