(19)
(11) EP 0 271 968 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.12.1989 Bulletin 1989/51

(43) Date of publication A2:
22.06.1988 Bulletin 1988/25

(21) Application number: 87304428.3

(22) Date of filing: 19.05.1987
(51) International Patent Classification (IPC)4: B42D 15/08, B43M 5/04, B65H 45/30
(84) Designated Contracting States:
AT BE CH DE FR IT LI NL SE

(30) Priority: 16.12.1986 US 942349

(71) Applicant: TRANSKRIT CORPORATION
Brewster New York 10509 (US)

(72) Inventor:
  • Dicker,David
    Scarsdale New York 10582 (US)

(74) Representative: Silverman, Warren et al
HASELTINE LAKE & CO. Hazlitt House 28 Southampton Buildings Chancery Lane
London WC2A 1AT
London WC2A 1AT (GB)


(56) References cited: : 
   
       


    (54) Apparatus for folding a one-piece mailer


    (57) A one-piece mailer is produced from a one-piece blank produced as such or which is part of an assembly of interconnected one-piece blanks, the one-piece blank having at least two contiguous sections disposed for folding over on each other into overlying relation, each section having remoistenable glue along the respective longitudinal edges for bonding the sections together. Optionally glue is also disposed near a transverse edge of one of the sections. An apparatus is described for folding and sealing such blank comprising feed means, means for applying water to at least one side of the blank being conveyed along each longitudinal edge and means for folding the sections of a conveyed blank into overlying relation while pressing the opposed longitudinal edges together to permit the activated glue to bond the edges together.







    Search report