(19)
(11) EP 1 090 740 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.10.2001 Bulletin 2001/43

(43) Date of publication A2:
11.04.2001 Bulletin 2001/15

(21) Application number: 00307788.0

(22) Date of filing: 08.09.2000
(51) International Patent Classification (IPC)7: B31B 19/74, B31B 39/00, B31B 1/02
(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: 07.10.1999 GB 9923726

(71) Applicant: MOLINS PLC
Blakelands, Milton Keynes MK14 5LU (GB)

(72) Inventor:
  • Whitlock, Peter John
    Westwood Business Park, Coventry CV4 8HS (GB)

(74) Representative: Baldwin, Mark et al
fJ Cleveland 40-43 Chancery Lane
London WC2A 1JQ
London WC2A 1JQ (GB)

   


(54) Bag making


(57) A method of making a bag comprises providing a plurality of lengthwise extending folds (84) in a web (56) of flexible packaging material and positioning a length of flexible material (114) on the folded web. The length of material (114) is attached to the web (56) at positions spaced from the folds, by seals (24), caused to adopt a tubular configuration, and then sealed to form a tube. The tube is then sealed transversely to define a bag. The length of material is attached to the inside of each upright face of the finished bag and provides a strengthening ring for the bag.






Search report