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5416298 |
Laser engraving apparatus
An apparatus for preparing a medium for use in a printing process supports the medium (2) for rotation about an axis. A head (6) is mounted for movement parallel to the axis and includes means to...
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5412174 |
Work rotating apparatus for beam machining having tilt limiting stops
A safety structure, for use in a work rotating apparatus for a laser beam machine having a manually rotatable shaft and work holder supported by a frame, comprises a pin and a pair of stops. The...
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5407415 |
Automated composite trim workstation
An automated workstation is adapted to cut parts of different size and shape from workpieces of flat sheet or molded preforms. A fixtured workpiece is moved into the work area of a preprogrammed...
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5399828 |
Laser tablet treatment system with dual access to tablet
Tablet treating system 10 treats a series of pharmaceutical tablets 50T with pulses of laser energy 24P within at least one predetermined treatment site 50S on each tablet. A tablet conveyer 12...
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5399834 |
Method and device for butt welding metal sheets by means of a laser beam
The subject of the present invention is a method for butt welding metal sheets (1, 2) by means of a laser beam, characterized in that a lateral pressure F directed towards the joint plane (3) of...
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5391856 |
Cooling drum for casting thin cast pieces and method and apparatus for forming dimples in peripheral surface of the drum
A cooling drum for use in casting a thin cast strip is rotated about its axis while a laser beam having a wavelength of from 0.30 μm to 1.07 μm is irradiated onto a peripheral surface of the drum t...
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5386097 |
Device for machining thin-walled hollow cylinders using a laser beam
A device for machining the surface of a thin-walled hollow cylinder using a laser beam. The laser beam is directed essentially radially onto the surface of the hollow cylinder and can be moved in a...
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5384446 |
Method of controlling the length of metal chips
A method is disclosed for controlling the length of chips removed from a workpiece that is being machined. A path is etched into the surface of the workpiece by a laser beam and defines a pattern...
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5382773 |
Apparatus and method for fabricating a perforated web by light
An apparatus for fabricating a perforated web comprising an endless masking plate arranged above a continuously conveyed web. The masking plate has a plurality of apertures arranged in a...
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5376771 |
High speed process for preparing orifices in pharmaceutical dosage forms
A laser drilling process capable of producing a plurality of holes in a pharmaceutical dosage form, at high speed, is presented. The process utilizes a digital laser marking system (DigiMark™ v...
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5373137 |
Multiple-line laser writing apparatus and method
A laser writing apparatus includes a laser light source which directs an expanded beam of laser light onto a two-dimensional phase grating. The phase grating splits the beam into a two-dimensional...
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5373136 |
Laser machining installation
The cutting head is displaceable along a cutting bridge which is in turn displaceable along transversal guidings, so as to be longitudinally and transversally displaceable over a working table in...
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5364006 |
Device for positioning sheet blanks in an installation for the continuous butt welding of said sheet blanks
The invention provides a device for positioning sheet blanks (2, 3) in an installation for the continuous butt welding of the sheet blanks (2, 3) by means of a laser beam. The device comprises, on...
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5359175 |
Laser machining system
Laser machining system including a laser machine, a stack yard for storing pallets, a stacker crane for transferring pallets. Standard pallets and multi-pallets are stored in the stack yard. The...
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5357077 |
Apparatus for marking semiconductor devices
The subject is an apparatus for consecutively marking a plurality of packaged semiconductor devices such as ICs by using a laser beam marker. A plurality of packaged semiconductor devices are put...
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5349155 |
Insulating material for wiring substrate and method of producing multi-layered wiring substrate
This invention relates to an insulating material for a wiring substrate and to a method of producing a multi-layered wiring substrate, and is directed to put into practical application a...
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5338914 |
Thermal cutting machine
A thermal cutting machine, capable of providing a high cutting quality and of avoiding any interference between a cut product and the machining nozzle, comprises a workpiece table (4) for...
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5334816 |
Laser beam machining apparatus and method for adjusting the height of its condenser lens
In the laser beam machining apparatus, an optical sensor provided with a blue filter detects change of color of light emission from the machining spot on a workpiece irradiated by a machining laser...
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5328083 |
Installation for the continuous butt joining and welding of at least two sheet blanks by means of a laser beam
The installation comprises a zone A for positioning a first sheet blank (2) to be welded, a zone B for bringing the two sheet blanks (2, 3) to be welded into edge to edge relation, a zone C for...
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5306890 |
Method of producing corrugated metal sheeting and method of producing honeycomb structure therefrom for carrying catalytic agents used for purifying exhaust gases
A method of producing a corrugated metal sheeting including a flat metal sheet and a corrugated metal sheet joined to each other, which sheeting is used to produce a carrier or honeycomb structure...
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5304773 |
Laser work station with optical sensor for calibration of guidance system
A laser work station has a base member, a laser head mounted on a laser head support carried on the base member for movement of the laser head relative to the base member, so that it is movable...
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5278385 |
Method of producing flexible printed circuits, printed circuit produced by this method and device for carrying out this method
The invention relates to a method which enables zones (10, 11) of a printed circuit (6) to be precisely and quickly exposed, both on the conductors (3) and to the side of these.Work is carried out...
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5276304 |
Device for guiding and for transfer of at least two sheet metal blanks to be welded
The present invention has as its subject a device for guiding and for transfer of at least two sheet metal blanks to be welded edge to edge.The device comprises, on the one hand, for each sheet...
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5274212 |
Laser processing apparatus
A door seal apparatus for a laser operating station, comprises a fixed wall with an opening, a turn table device with a turn table wall positioned within the opening, the turn table device having...
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5266770 |
Strip welding machine
A strip welding machine for butt-welding cut surfaces of a strip beginning and a strip end of metal strips to be connected is described. The welding seam is manufactured with a laser welding head....
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5262614 |
Circuit board and sealing structure and methods for manufacturing the same
A circuit board is manufactured by a method having the steps of depositing a metal pattern on a ceramic board, depositing a thin layer of a high polymer material on the ceramic board formed with...
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5262612 |
Computer-controlled laser cutter
A laser beam generator is mounted stationarily relative to a sheet roll feed mechanism of the type used in roll feed drafting plotters so as to project a laser beam lengthwise of the crossrail of...
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5239160 |
Five-axis table for laser beam machine tool
In a laser beam machine tool, the problems of power losses, misalignment, high cost, and other problems associated with moving laser heads are eliminated by using a five-axis table in which a...
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5231264 |
Laser machining apparatus
A laser machining apparatus comprises a first, a second and a third mirror for turning the direction of a laser beam, which are provided in between a machining head for irradiating a workpiece with...
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5229571 |
High production laser welding assembly and method
A method for butt welding metallic sheets along a relatively long common seam line by providing a plurality of laser welding devices aligned above the common seam line, and effectively spaced from...
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5229574 |
Print quality laser marker apparatus
Laser marker apparatus for marking indicia onto a substrate includes an exit lens having a focal length, a plurality of lasers, a plurality of turning mirrors, and at least one directing mirror....
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5227606 |
Method and apparatus for laser cutting of multiple stacked metal worksheets
A method and apparatus for laser cutting of multiple stacked metal worksheets is disclosed wherein the tendency of the sheets to separate during the cutting operation is restrained. In one...
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5227607 |
Yag laser working machine for precision working of thin-film
This invention relates to a YAG laser working machine, and an object thereof is to enable highly precise processing such as one required for processing of a photomask which is used at, for example,...
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5224716 |
Tilting workpiece support having fine adjustment mechanism
In a workpiece support for use with a laser beam machine tool, in which the workpiece is rotated about an axis tiltable through 90° or more to either side of a vertical condition, the workpiece is ...
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5225650 |
Process and device for the manufacture of cavities in workpieces through laser beams
The invention concerns a process and a device for the manufacture of relatively deep cavities in massive workpieces through a laser beam, whereby the material is removed by the laser beam (7) in...
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5221824 |
Work rotating apparatus for laser machining having a hollow output shaft
A work rotating apparatus for laser machining has a reduction unit with input and output shafts, and a motor for rotating the input shaft. The output shaft is a hollow shaft having an axial through...
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5208431 |
Method for producing object by laser spraying and apparatus for conducting the method
A method for producing an object includes the steps of directing a laser beam to pass near a multiaxis table, supplying material from a material supply device to pass through and be melted by the...
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5208434 |
Method and apparatus for laser heat treatment for metal wire
A laser beam heat treatment for a metal wire has improved incidence and processing conditions so as to achieve efficient surface heat treatment with a circumferentially averaged laser beam flux and...
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5204987 |
Apparatus for treating steel edges of skis and other runner devices
A ski has better guide properties the sharper the corner areas of the steel edge profiles. Using a laser beam, the corner areas of the steel edge profiles are hardened on the ski.
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5204507 |
Work rotating device for laser beam machine tool
A work rotating device for a laser beam machine utilizes a work-supporting bed rotatable by a speed reducer mounted on a frame adapted to rest on a table of the laser beam machine. In a first...
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5200592 |
Automatic cutting apparatus for cloth
An automatic cutting apparatus for cloths is able to designate relevant cloth and so cut the cloth with a laser beam according to characteristics of the cloth under the optimum condition. According...
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5198636 |
Apparatus for machining a hollow cylinder to produce a pattern drum
A hollow cylinder, generally a foil, for use in screen printing, is patterned by laser beam machining. The foil is held at its ends and rotated about its axis while a carriage is shiftable along a...
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5196672 |
Laser processing arrangement
A laser processing arrangement includes a laser oscillator which outputs a laser beam. The laser beam path is established such that the beam reflects from a flat surfaced mirror to a concave mirror...
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5194710 |
Method and apparatus for laser masking of lead bonding
An apparatus and method of making a beam of directed energy used to bond leads to bonding areas is disclosed. The masking tool preferably includes a groove adapted to allow the beam to strike the...
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5192848 |
Laser machining cell
Various kinds of raw workpieces are stocked in a stocker. A predetermined kind of the workpiece is selected from the stocker with a lifter so as to move to a loading station. The workpiece is held...
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5187967 |
Laser trimming of forgings
A hot forged article of a preselected profile is produced by heating a forging blank to elevated temperature and forging the blank at the elevated temperature between closed dies, to produce a...
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5185510 |
Installation for cutting a workpiece and method for the control thereof
The supporting grate of a laser cutting machine is formed of swinging supporting arms which are swung from a horizontal supporting position to a lowered intermediate position or to a completely...
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5183993 |
Laser beam machining system and laser beam machine cover
A laser beam machining system includes of a laser beam machine and a work conveying robot, wherein the laser beam machine has a table which is covered by a cover that is automatically...
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5175410 |
IC package hold-down fixture
The present invention involves a hold-down fixture which is usable in connection with bonding an integrated circuit package to a printed circuit board in a surface mount environment. The purpose of...
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5171963 |
Laser processing device and laser processing method
A laser processing device includes a Z stage movable in the up and down directions with respect to a XY stage movable in the X, Y directions on which an object to be processed is provided. The...
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