EP 0251580 A2 19880107 - Improvement in thickness-wise transverse perforation line registration in web of printed multiple-ply business forms.
Title (en)
Improvement in thickness-wise transverse perforation line registration in web of printed multiple-ply business forms.
Title (de)
Mehrschichtige Formularbahn mit aufeinandergelegten Querperforationen.
Title (fr)
Bande d'imprimés à plusieurs couches dont les lignes de perforation transversales sont alignées.
Publication
Application
Priority
US 87780686 A 19860624
Abstract (en)
A web (110) of two-wide potentially separate business forms adjoined in series by transverse perforation lines (126) is provided, with a respective longitudinal row of sprocket holes (120,122) bordering each edge. Printing is placed on left and/or right portions of at least one face of the web, at least one portion of one face being variably printed. At the appropriate stages in relation to the printing, the web is severed along a medial longitudinal line (124) and the resulting two portions (146,154) are moved laterally, without rotation, towards superimposition, and each resulting one-wide, multiple ply potentially separate business form is marginally sealed, e.g. by activation of a pre-applied ring of adhesive (144). Severing of this composite web into separate business communications is facilitated because of substantial registration of the respective transverse perforation lines in the multiple plies.
IPC 1-7
IPC 8 full level
B42C 3/00 (2006.01); B42D 15/08 (2006.01)
CPC (source: EP)
B42C 3/00 (2013.01); B42D 15/08 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0251580 A2 19880107; EP 0251580 A3 19890802; DK 322387 A 19871225; DK 322387 D0 19870624; FI 872778 A0 19870623; FI 872778 A 19871225; MW 4487 A1 19871209; MX 168970 B 19930616; NO 872632 D0 19870623; NO 872632 L 19871228; PT 85141 A 19880701; ZA 874190 B 19880330; ZM 4487 A1 19880429; ZW 11587 A1 19890201
DOCDB simple family (application)
EP 87305405 A 19870618; DK 322387 A 19870624; FI 872778 A 19870623; MW 4487 A 19870619; MX 705187 A 19870624; NO 872632 A 19870623; PT 8514187 A 19870623; ZA 874190 A 19870611; ZM 4487 A 19870622; ZW 11587 A 19870622