IT7949899A0 - Procedimento e sistema per la perforazione di materiale in foglio a mezzo di laser - Google Patents

Procedimento e sistema per la perforazione di materiale in foglio a mezzo di laser

Info

Publication number
IT7949899A0
IT7949899A0 IT7949899A IT4989979A IT7949899A0 IT 7949899 A0 IT7949899 A0 IT 7949899A0 IT 7949899 A IT7949899 A IT 7949899A IT 4989979 A IT4989979 A IT 4989979A IT 7949899 A0 IT7949899 A0 IT 7949899A0
Authority
IT
Italy
Prior art keywords
perforation
laser
procedure
sheet material
sheet
Prior art date
Application number
IT7949899A
Other languages
English (en)
Other versions
IT1118111B (it
Original Assignee
Philip Morris Inc
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 Philip Morris Inc filed Critical Philip Morris Inc
Publication of IT7949899A0 publication Critical patent/IT7949899A0/it
Application granted granted Critical
Publication of IT1118111B publication Critical patent/IT1118111B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/067—Dividing the beam into multiple beams, e.g. multi-focusing
    • B23K26/0676—Dividing the beam into multiple beams, e.g. multi-focusing into dependently operating sub-beams, e.g. an array of spots with fixed spatial relationship or for performing simultaneously identical operations
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/005—Treatment of cigarette paper
    • A24C5/007—Perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/067—Dividing the beam into multiple beams, e.g. multi-focusing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/083—Devices involving movement of the workpiece in at least one axial direction
    • B23K26/0838—Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt
    • B23K26/0846—Devices involving movement of the workpiece in at least one axial direction by using an endless conveyor belt for moving elongated workpieces longitudinally, e.g. wire or strip material

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Laser Beam Processing (AREA)
IT49899/79A 1978-08-10 1979-07-30 Procedimento e sistema per la perforazione di materiale in foglio a mezzo di laser IT1118111B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US93256678A 1978-08-10 1978-08-10

Publications (2)

Publication Number Publication Date
IT7949899A0 true IT7949899A0 (it) 1979-07-30
IT1118111B IT1118111B (it) 1986-02-24

Family

ID=25462512

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49899/79A IT1118111B (it) 1978-08-10 1979-07-30 Procedimento e sistema per la perforazione di materiale in foglio a mezzo di laser

Country Status (7)

Country Link
CH (1) CH644053A5 (it)
DE (1) DE2932421C2 (it)
FI (1) FI68547C (it)
FR (1) FR2432913A1 (it)
GB (1) GB2027628B (it)
IT (1) IT1118111B (it)
NL (1) NL7905905A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672168A (en) * 1978-10-25 1987-06-09 Coherent, Inc. Apparatus for perforating sheet material
LU83535A1 (fr) * 1981-08-06 1983-06-08 Centre Rech Metallurgique Procede pour moduler un faisceau laser
US4633058A (en) * 1982-01-21 1986-12-30 Preci-Spark Limited Laser machining apparatus
JPS58163912A (ja) * 1982-03-25 1983-09-28 Amada Co Ltd レーザビーム変調装置
JPS5942194A (ja) * 1982-09-01 1984-03-08 Mitsubishi Electric Corp レ−ザ穴開け装置
US4519680A (en) * 1982-11-05 1985-05-28 Philip Morris Incorporated Beam chopper for producing multiple beams
US4499361A (en) * 1983-05-02 1985-02-12 Philip Morris Incorporated Laser beam interrupter and divider
IT1168682B (it) * 1983-09-12 1987-05-20 Gd Spa Dispositivo perforatore per la realizzazione di fori di ventilazione in sigarette o simili articoli da fumo
IT1168683B (it) * 1983-09-12 1987-05-20 Gd Spa Dispositivo perforatore per la realizzazione di fori di ventilazione in sigarette o simili articoli da fumo
GB8607689D0 (en) * 1986-03-27 1986-04-30 Wiggins Teape Group Ltd Imaged microcapsule-coated paper
GB8700765D0 (en) * 1987-01-14 1987-02-18 Wiggins Teape Group Ltd Laser apparatus
GB8803560D0 (en) * 1988-02-16 1988-03-16 Wiggins Teape Group Ltd Laser apparatus for repetitively marking moving sheet
US5352495A (en) * 1989-02-16 1994-10-04 The Wiggins Teape Group Limited Treatment of a surface by laser energy

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256524A (en) * 1963-11-29 1966-06-14 Honeywell Inc Laser recording apparatus
FR2118531A5 (it) * 1970-12-14 1972-07-28 Little Inc Arthur
US4118619A (en) * 1977-08-02 1978-10-03 R. J. Reynolds Tobacco Company Rotary beam chopper and scanning system

Also Published As

Publication number Publication date
IT1118111B (it) 1986-02-24
FI68547B (fi) 1985-06-28
FI68547C (fi) 1985-10-10
FR2432913B1 (it) 1982-12-31
DE2932421C2 (de) 1982-09-02
FR2432913A1 (fr) 1980-03-07
FI792368A7 (fi) 1980-02-11
DE2932421A1 (de) 1980-02-14
NL7905905A (nl) 1980-02-12
GB2027628B (en) 1982-09-08
CH644053A5 (de) 1984-07-13
GB2027628A (en) 1980-02-27

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