Matches 1 - 50 out of 109 1 2 3 >
Match Document Document Title
6621031 Syringe and needle destruction device  
A device that operates to reduce the hazard involved in the disposal of conventional hypodermic needles used throughout the medical world. When the needle is presented to the inventive device,...
6427419 Method for making permeable film  
In a method for making a permeable film, a physical force is applied to a film of a first material containing particles of a second material which is different from the first material. The second...
6348675 Method of manufacturing plastic film with pore-opening discharge spark control  
A method of producing plastics film ( 8 ) wherein high-voltage pulses are impressed between a pair of electrodes ( 4,6 ), thereby creating pores in a plastics film which is fed into the spark gap (...
6284994 Electrode system for perforating synthetic plastic films  
An apparatus for perforating a film has one or more electrodes in electrode holders to lightly contact the film, a return electrode to support the film, and a voltage coupler to produce a discharge...
6114676 Method and device for drilling, cutting, nailing and joining solid non-conductive materials using microwave radiation  
A microwave device and corresponding method for cutting, and especially drilling into, a solid body of non-conductive material employ a microwave source which provides microwave radiation,...
5562948 Method and apparatus for producing an electrically conductive wall from a fabric and a sheet material  
A method for the production of an electrically conductive wall of a fabric and a film material which is provided with an insulating coating, and particularly for the production of sheets of fabric...
5356497 Method for forming a sheet material permeable to gas and not permeable to water  
A method for forming a sheet material permeable to gas and not permeable to water includes forming the sheet material by hot pressing two materials together, and discharging static electricity to...
5322985 Method for boring small holes in substrate material  
A method for boring small holes in a substrate by disposing electrodes on both sides of a substrate to be machined and applying a voltage between the electrodes so as to perform plasma discharge...
5046812 Apparatus and method for joining coated optical fibers by fusion  
An arrangement for effectively fusing together two optical fibers. Many fibers currently have a carbon-based coating applied to the bare fiber, with the coating being surrounded by a plastic...
5018824 Process for fusion-splicing hermetically coated optical fibers  
A process for fusion-splicing hermetically coated optical fibers each of which comprises an inorganic coating, an optical fiber glass and optionally an organic coating, which process comprises...
5012825 Apparatus for perforating running webs of wrapping material and cleaning devices therefor  
Apparatus for perforating a running web of wrapping material, such as a web of tipping paper in a filter tipping machine for the making of filter cigarettes, is advanced through two successive...
4957122 Device for the electrostatic perforation of webs of paper  
A device for the electrostatic perforation of webs made of paper or other materials, particularly of the webs used in the manufacture of ventilated cigarettes to constitute the cigarette envelope...
4777338 Perforation of synthetic plastic films  
Spark perforation of synthetic plastic film is carried out by applying electrodes to opposite ends of a portion of the film submerged in a water bath that is at a temperature above the onset...
4765120 Film web perforation  
A device for perforating a film web while wrapping a load which the film web includes a web dispenser for dispensing the film web and an arrangement for providing relative rotation between the load...
4568815 Laser perforating apparatus  
A laser perforator device is controlled with respect to laser power and duty ratio in a manner so as to produce uniform perforations at a selected pitch in a workpiece, such as, a travelling...
4563228 Method and apparatus for regulating the permeability of wrapping material for rod-shaped smokers products  
A continuous web which is drawn off a roll is perforated on its way toward the wrapping station of a machine for the making of plain or filter tipped smokers' products or filter rod sections. The...
4534994 Process for making fine perforations in plastic sheeting and/or plastic or rubber coated sheet materials  
A process for making fine perforations in plastic sheeting and/or plastic or rubber coated sheet materials in which the sheeting or the coating is too thick and/or the dielectric constants are too...
4507535 Method and apparatus for perforating material  
A process for perforating material comprising the steps of advancing material along a path of travel, passing the advancing material over a movable laser mask having an aperture such that the...
4503318 Apparatus for the spark perforation of sheet materials  
Apparatus for spark perforation of sheet material comprising spaced apart first and second electrodes which define between them a sparking zone through which sheet material to be perforated can be...
4501953 Method of and apparatus for controlling apparatus for perforating strips of paper or the like by disruptive spark discharges  
A method of and apparatus for controlling apparatus for perforating strips of paper by disruptive spark discharges. The perforate strip passes between two chambers, each of which has an opening...
4488030 Electrical spark treatment apparatus  
In electrical spark treatment apparatus, more consistent and controllable sparking from multiple spark gaps is achieved by providing individual energy storage components for each spark gap,...
4447709 Method for electrically perforating dielectric webs  
A method is provided for controlling the porosity of a web or film issuing from an electric spark perforating apparatus in accordance with an operator-set reference porosity regardless of...
4447708 Assembly for use in the spark perforation of sheet material  
A spark perforation apparatus includes a rotary electrode assembly for effecting spark perforation of sheet material passing between the electrodes of the assembly and a suitably juxtapositioned...
4447694 Apparatus for breaking up metal parts  
An apparatus for breaking up metal parts is characterized in that it comprises at least two conductive supports connected to an electric power supply and able at least partly to support the part to...
4425496 Removal of metal coating from dielectric material  
The metal coating on a dielectric sheet or strip, for instance for use in capacitors, is locally removed by a Corona discharge between the sheet and a point electrode. A current return electrode...
RE31202 Poultry beak remover  
A poultry beak remover for debeaking fowl includes a housing having a pair of spaced apart electrodes supported therein and a beak receiving aperture therein for insertion of the beak of the fowl...
4334144 Corona effect surface treatment apparatus for sheet  
An apparatus for corona effect surface treatment of sheet materials, comprising a metal electrode and an insulating material coated electrode, between which the materials to be treated are...
4323082 Apparatus for making holes in webs of wrapping material for cigarettes or the like  
Apparatus for making holes in a running web of wrapping material in a filter tipping machine has a housing which defines an elongated passage for the running web and contains rows of first and...
4320773 Method and apparatus for treating wrapping material for cigarettes or the like  
A running web of wrapping material which is about to be converted into adhesive-coated uniting bands for joining plain cigarettes with filter plugs in filter tipping machines is transported through...
4314142 Spatially distributed electrostatic perforation of moving webs  
A method and apparatus for controlling the perforation of webs being moved in a longitudinal direction, by an array of electrodes spatially distributed in a transverse direction, wherein selected...
4297559 Apparatus for controlled perforation of moving webs with fixed focus laser beam  
A system for precision perforation of moving webs employing a pulsed, fixed focus laser beam wherein the laser pulses are automatically controlled in pulse repetition frequency and in pulse width...
4295478 Composite tipping structure for use on an air-ventilated cigarette and method of manufacturing same  
A composite structure for use on a smoking product including a non-porous tipping paper coated with a heat-activatable adhesive in a selected pattern, having areas void of adhesive and microscopic...
4278871 Arrangement for effecting the superfine perforation of film-like sheeting with the aid of high-voltage pulses  
Arrangement for effecting the superfine perforation of film-like sheeting with the aid of high-voltage pulses. The sheeting to be perforated is permitted to pass in a contactless manner between two...
4265616 Process for producing a heat-weakened strip in polyolefin film  
A continuous process for forming a longitudinal heat-weakened strip in a cross-lapped oriented polyolefin film is disclosed. The process comprises directing heat from two longitudinally aligned...
4247754 Apparatus for perforating webs of wrapping material for rod-shaped smokers products  
Apparatus for making holes in a running web of wrapping material for cigarettes or in a running web of uniting band material which connects filter plugs with plain cigarettes has one or more groups...
4246775 Porosity measuring apparatus and perforating system using same  
Porosity measuring apparatus for a moving web of sheet material comprising a sensor having a chamber and a wall provided with apertures communicating with the chamber and of number, spacing and...
4236062 Apparatus for electrical perforation of webs  
A web is electrically perforated at high hole density by applying alternating-current voltage across an electrode pair facing the web while pressurized gas is supplied to the electrode gap. Voltage...
4219727 Apparatus for perforating a moving web  
In a ventilated cigarette making system the tipping paper is perforated before assembly of the cigarettes using a spark perforator which is controlled by a feedback arrangement, in response to the...
4207458 Method of electrically perforating a planar web  
A web is electrically perforated at high hole density by applying alternating-current voltage across an electrode pair facing the web while pressurized gas is supplied to the electrode gap. Voltage...
4203028 Apparatus for treating optical fibers by spark erosion  
The disclosed apparatus has a spark gap at which optical fibers are to be exposed to spark erosion treatment. The spark gap receives electrical energy from a spark-impulse transformer with the...
4100396 Method for electrically perforating moving webs  
Apparatus and method for electrically perforating a moving web such as paper, film and the like by passing the web between at least one electrically charged electrode and a ground electrode in a...
4088864 Process for forming outlet passageways in pills using a laser  
A high speed process and apparatus are disclosed for forming outlet passageways of accurate, predetermined size in the walls of pills which dispense their contents by osmotically pumping said...
4071637 Process for punching holes and slots in structural timber  
This invention relates to a process for introducing holes or straight or circular slots approximately normal to the surface in the vicinity of the surface of round timber and to an approximately...
4063064 Apparatus for tracking moving workpiece by a laser beam  
Apparatus is disclosed in a system for drilling holes with a laser beam in a plurality of discrete moving workpieces carried by a support which moves each workpiece sequentially along a...
4035611 Apparatus for electrically perforating moving paper webs  
Method and apparatus for electrically perforating a moving web such as paper, film and the like in which the web passes between spaced, charged and ground electrodes adapted to move at right angles...
4032743 Laser microperforator  
A method and apparatus for forming rows and columns of closely spaced micron sized holes in a thin foil, including a cylindrical member and means for rotating it. There are means for mounting a...
4029938 Apparatus for electrically perforating moving webs  
Apparatus and method for electrically perforating a moving web such as paper, film and the like by passing the web between at least one electrically charged electrode and a ground electrode in a...
4025752 Apparatus for electrically perforating dielectric webs  
A system is provided for controlling the porosity of a web or film issuing from an electric spark perforating apparatus in accordance with an operator-set reference porosity regardless of...
3994300 Epilation by electrical discharge  
An epilating device includes an electrically conductive grid adapted to be placed against the skin, to serve as a ground plane, and an array of needle electrodes spaced behind the grid in register...
3808394 CREATING HOLES IN FLEXIBLE MEMBERS  
A small hole may be located in a wall of a flexible member or structures such as a tube of a thermoplastic material and, if desired, in an internal wall within such a tube by contacting such a wall...
Matches 1 - 50 out of 109 1 2 3 >