FR2432913B1 - - Google Patents

Info

Publication number
FR2432913B1
FR2432913B1 FR7919856A FR7919856A FR2432913B1 FR 2432913 B1 FR2432913 B1 FR 2432913B1 FR 7919856 A FR7919856 A FR 7919856A FR 7919856 A FR7919856 A FR 7919856A FR 2432913 B1 FR2432913 B1 FR 2432913B1
Authority
FR
France
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.)
Expired
Application number
FR7919856A
Other languages
French (fr)
Other versions
FR2432913A1 (fr
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.)
Philip Morris USA Inc
Original Assignee
Philip Morris USA 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 USA Inc filed Critical Philip Morris USA Inc
Publication of FR2432913A1 publication Critical patent/FR2432913A1/fr
Application granted granted Critical
Publication of FR2432913B1 publication Critical patent/FR2432913B1/fr
Granted legal-status Critical Current

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. multifocusing
    • B23K26/0676—Dividing the beam into multiple beams, e.g. multifocusing 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. multifocusing
    • 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)
FR7919856A 1978-08-10 1979-08-02 Procede et appareil de perforation par laser Granted FR2432913A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2432913A1 FR2432913A1 (fr) 1980-03-07
FR2432913B1 true FR2432913B1 (fi) 1982-12-31

Family

ID=25462512

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7919856A Granted FR2432913A1 (fr) 1978-08-10 1979-08-02 Procede et appareil de perforation par laser

Country Status (7)

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

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
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
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
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 (fi) * 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
NL7905905A (nl) 1980-02-12
DE2932421C2 (de) 1982-09-02
FI68547B (fi) 1985-06-28
GB2027628B (en) 1982-09-08
FR2432913A1 (fr) 1980-03-07
DE2932421A1 (de) 1980-02-14
GB2027628A (en) 1980-02-27
IT7949899A0 (it) 1979-07-30
CH644053A5 (de) 1984-07-13
FI68547C (fi) 1985-10-10
FI792368A (fi) 1980-02-11
IT1118111B (it) 1986-02-24

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse