EP0368392A3 - High speed folding machine for elastic material bands - Google Patents

High speed folding machine for elastic material bands Download PDF

Info

Publication number
EP0368392A3
EP0368392A3 EP89202744A EP89202744A EP0368392A3 EP 0368392 A3 EP0368392 A3 EP 0368392A3 EP 89202744 A EP89202744 A EP 89202744A EP 89202744 A EP89202744 A EP 89202744A EP 0368392 A3 EP0368392 A3 EP 0368392A3
Authority
EP
European Patent Office
Prior art keywords
band
roller
loop
folded
circumferential grooves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89202744A
Other versions
EP0368392A2 (en
EP0368392B1 (en
Inventor
Luciano Meschi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industria Grafica Meschi SRL
Original Assignee
Industria Grafica Meschi SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Industria Grafica Meschi SRL filed Critical Industria Grafica Meschi SRL
Priority to AT89202744T priority Critical patent/ATE88163T1/en
Publication of EP0368392A2 publication Critical patent/EP0368392A2/en
Publication of EP0368392A3 publication Critical patent/EP0368392A3/en
Application granted granted Critical
Publication of EP0368392B1 publication Critical patent/EP0368392B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/20—Zig-zag folders

Abstract

Machine for high speed folding in accordion-like manner bands (102) of elastic materials such as paper, thin plastic laminates or metal sheets coming from coils on which they are stored in a rolled up form, coprising an orientable guide (104) launching said band (102) against an obstacle (24, 26) so as to cause a length of said band (102) to be bent in arc-shaped manner, thus forming a loop (150), towards a first roller (20) having circumferential grooves (40) and areas (136, 138, 140) having high friction coefficient with respect to the material of the band (102) to be folded, said roller (20) being rotated at a speed such that its peripheral speed is greater than the advancing rate of said band (102), whereby the loop (150) formed by said band (102) is drawn by said roller (20) up to impinge against relieves (32) engaged within said circumferential grooves (40), causing said band (102) to be pinched, thus forming a sharp fold and then to start again the arc shaped folding in the opposite direction until it comes into contact with said loop (150) a second roller (22), fully identical to the first one (20), whereby the band (102) is pinched between said roller (22) and corresponding relieves (36) engaged in circumferential grooves thereof (44), the band (102) being thus sharply folded again and returned towards said first roller (20), and so on, whereby an accordion folded package of band (166) is formed up to the desired size. The presence of possible crossing weakening areas in said band (102) at regular spacings makes the size of the accordion folded zones essentially independent from the distance between said first and second rollers (20, 22).
EP89202744A 1988-11-07 1989-10-31 High speed folding machine for elastic material bands Expired - Lifetime EP0368392B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89202744T ATE88163T1 (en) 1988-11-07 1989-10-31 HIGH SPEED FOLDING MACHINE FOR ELASTIC TAPE MATERIAL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2253688 1988-11-07
IT8822536A IT1227467B (en) 1988-11-07 1988-11-07 HIGH SPEED BENDING MACHINE FOR ELASTIC TAPES.

Publications (3)

Publication Number Publication Date
EP0368392A2 EP0368392A2 (en) 1990-05-16
EP0368392A3 true EP0368392A3 (en) 1990-06-06
EP0368392B1 EP0368392B1 (en) 1993-04-14

Family

ID=11197559

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89202744A Expired - Lifetime EP0368392B1 (en) 1988-11-07 1989-10-31 High speed folding machine for elastic material bands

Country Status (5)

Country Link
EP (1) EP0368392B1 (en)
JP (1) JP2669508B2 (en)
AT (1) ATE88163T1 (en)
DE (1) DE68905996T2 (en)
IT (1) IT1227467B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT220205Z2 (en) * 1990-10-03 1993-07-13 Meschi Ind Grafica IMPROVED SHEET STOP SYSTEM AGAINST A COLLECTION PLATE OF A HIGH SPEED CONTINUOUS PAPER STRIP BENDING MACHINE
DE102012015466B4 (en) * 2012-08-03 2015-01-22 Roth + Weber Gmbh Method for folding paper

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704502A1 (en) * 1977-02-03 1978-08-10 Walter Wuersch Paper strip folding mechanism - has uncut paper transport mechanism engaging positively with strip and securing in position
GB2177686A (en) * 1985-07-18 1987-01-28 Womako Masch Konstr Apparatus for zig-zag folding of paper webs
DE3708016A1 (en) * 1987-03-12 1988-09-22 Womako Masch Konstr Device for the zig-zag folding of a material web

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704502A1 (en) * 1977-02-03 1978-08-10 Walter Wuersch Paper strip folding mechanism - has uncut paper transport mechanism engaging positively with strip and securing in position
GB2177686A (en) * 1985-07-18 1987-01-28 Womako Masch Konstr Apparatus for zig-zag folding of paper webs
DE3708016A1 (en) * 1987-03-12 1988-09-22 Womako Masch Konstr Device for the zig-zag folding of a material web

Also Published As

Publication number Publication date
IT1227467B (en) 1991-04-11
JPH02182667A (en) 1990-07-17
EP0368392A2 (en) 1990-05-16
ATE88163T1 (en) 1993-04-15
DE68905996D1 (en) 1993-05-19
DE68905996T2 (en) 1993-11-04
IT8822536A0 (en) 1988-11-07
EP0368392B1 (en) 1993-04-14
JP2669508B2 (en) 1997-10-29

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