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| Number | Title | Issue Date |
| 4628813 | Stencil duplicator providing automatic stencil performation, charging, printing, and disposal The stencil duplicator includes: a cylindrical porous rotary printing drum and a means for selectively rotating it in a preferred direction; a means for clamping the leading edge of a stencil master along a generator of the printing drum; a means for supp... | 12/16/1986 |
| 4597829 | Stencil, stencil material kit and stencil duplicator kit containing the same This invention provides stencil from which a patternwise perforated stencil can be easily made by handwritting, a stencil material kit with which a patternwise perforated stencil can be made, and a stencil duplicator kit which, in combination with the ste... | 07/01/1986 |
| 4569283 | Stencil material set and stencil duplicator set This invention provides stencil from which a patternwise perforated stencil can be easily made by handwriting, a stencil material set with which a patternwise perforated stencil can be made, and a stencil duplicator set which, in combination with the sten... | 02/11/1986 |
| 4550683 | Sheet construction and method An adhesive coated sheet construction adapted to be secured to a work surface for placing a predetermined design configuration thereon includes a first layer having a contact-type adhesive on a first surface thereof and a second layer which is removably a... | 11/05/1985 |
| 4528070 | Orifice plate constructions Improved orifice plates such as, fluid jet orifice plates, photoetching masks or the like, include a substrate of highly corrosion resistant metal and a layer of an amorphous metal alloy, such as, an amorphous nickel-phosphorus alloy or an amorphous cobal... | 07/09/1985 |
| 4526098 | Laser formed rotary print plate with internal sintered titanium ink reservoir A method and apparatus for printing directly onto a surface employs a printing plate through which pigmented fluid passes directly onto such surface and a reservoir for supplying a highly uniform distribution of pigmented fluid preferably at a relatively ... | 07/02/1985 |
| 4497848 | Stencilling a unique machine-readable marking on each of a plurality of workpieces Method and apparatus are described for producing a unique machine-readable marking, such as a bar-code marking, on each of a succession of workpieces, such as glass envelope parts of cathode-ray tubes. The method comprises producing and applying a differe... | 02/05/1985 |
| 4465931 | Thermal duplicating apparatus A thermal duplicating apparatus for forming a duplicate image of an original image by selective application of heat to a heat sensitive recording medium is provided. The present apparatus utilizes a flexible cylinder which is substantially transparent to ... | 08/14/1984 |
| 4397261 | Paint mask A paint mask and method for masking a work surface wherein the mask structure is comprised of a first mask layer and a second liner layer. One face of the first layer includes an adhesive coating with the second layer being adhesively secured thereto. A p... | 08/09/1983 |
| 4383482 | Printing mask for use in printing on a board having a projected portion and manufacturing process therefor A printing mask for use in printing on a board having a projection characterized in that a cavity member with a desired dimension is put on a screen tensed on a frame, a part of the screen surrounded by an open end of the cavity member is cut off, and the... | 05/17/1983 |
| 4379737 | Method to make a built up area rotary printing screen A rotary printing screen is made with selected areas being provided with a perforated mesh region through which printing ink may be passed. These mesh areas are provided with a mesh pattern recessed back from the exterior surface of the rotary printing sc... | 04/12/1983 |
| 4373441 | Heatable sieve for screen printing A screen printing frame assembly for use with thermoplastic inks. The frame has opposite frame rail portions with thermoplastic resin material thereon. A stainless steel printing screen has low-resistance opposite end portions overlying and thermoplastica... | 02/15/1983 |
| 4363289 | Printing screen coating method and apparatus Flat printing screens can be coated on one or both sides by the method and apparatus. A liquid is applied to a screen by one or two squeegees secured to carriages moved up and down on rubber sprocket belts driven by a motor. The speed of application can b... | 12/14/1982 |
| 4351685 | Duplicating stencil A duplicating stencil is produced by placing an electrostatically-produced image on a substrate in contact with an ink-impervious surface layer of a stencil blank, bonding the image to the surface layer by the application of heat and/or pressure and strip... | 09/28/1982 |
| 4351238 | Method for screen printing The specification discloses a method for screen printing comprising providing a sheet of masking sized to cover a porous printing screen, with pressure sensitive adhesive on one side of the masking and a protective cover sheet thereover. The masking is po... | 09/28/1982 |
| 4348953 | Continuous stencil assembly and method of manufacturing it A continuous stencil assembly comprising a continuous strip of stencil material on a continuous carrier strip, the assembly having lines of perforations dividing it into individual stencil assemblies each comprising a stencil sheet on a carrier sheet, the... | 09/14/1982 |
| 4323775 | Divided exposure method and device A method for exposing a sheet to light radiation while it is under pressure, in which successive portions of the sheet which slightly overlap one another are sequentially clamped between a pressure plate and a light transmitting plate, and are irradiated ... | 04/06/1982 |
| 4319253 | Electronic stencil cutter An electronic stencil cutter having a rotatable drum with an original subject sheet and a stencil sheet mounted side by side thereon. Scanning and stencil cutting heads are mounted on a common carriage for simultaneous movement along the original and sten... | 03/09/1982 |
| 4309455 | Method for making sleeves for rotary screen printing Sharp, endless sleeves for rotary screen printing having superior durability to printing can be obtained by a method of the present invention. According to this method, a metal image-forming layer having a smooth endless outside surface and a thickness in... | 01/05/1982 |
| 4286518 | Print screen stencil A print screen stencil for printing with corrosive printing compositions is disclosed. The stencil comprises a screen fabric having open mesh areas in a predetermined pattern adapted to allow the passage of a printing composition to a substrate positioned... | 09/01/1981 |
| 4285274 | Seamless cylindrical printing screen and process for preparation thereof Disclosed is a seamless cylindrical printing screen having an improved aperture ratio and high strength, rigidity and durability sufficient to resist the rotary screen printing operation and being capable of providing high quality printed patterns with sh... | 08/25/1981 |
| 4278710 | Apparatus and method for submicron pattern generation An apparatus and method are provided for depositing submicron patterns on a substrate. The apparatus includes an evaporative source located opposite the substrate so that molecules from the source can be deposited directly on the substrate. A mask is loca... | 07/14/1981 |
| 4262084 | Process for preparing a screen stencil The invention provides on improved process for preparing a screen stencil, and a screen stencil prepared by the process. The process includes the steps of placing a porous support for a screen stencil over a mounting plate, saturating the porous support w... | 04/14/1981 |
| 4216019 | Photographically produced stencils There is provided a method for producing a stencil for use in screen printing which method comprises coating a screen mesh with liquid photopolymerizable composition, imagewise exposing the coated mesh to radiation to polymerize liquid composition on the ... | 08/05/1980 |
| 4214522 | Device for manufacturing a stencil An apparatus for manufacturing or treating a stencil intended for use in a silkscreen printing machine. The stencil has been lighttreated to transfer a design to a pre-treated net or film. The film being subjected to a water-treatment process to rinse the... | 07/29/1980 |
| 4211618 | Method for making screens A method for producing rotary or flat screens having large amounts of open space per unit area comprises plating a master roll or plate having a pattern of conductive metal and non-conductive areas on its surface with a plurality of separate coats of meta... | 07/08/1980 |
| 4209565 | Self-adhering stencil A self-adhering stencil in which a heat sensitive bonding resin is disposed as a coating on the uncoated tissue or incorporated in the stencil layer or disposed as a coating on either or both sides of the stencil layer.... | 06/24/1980 |
| 4188880 | Blank for conversion into a perforated stencil by spark erosion A blank and method for using the same wherein the blank for conversion to a stencil by spark erosion through a stencil layer to a conductive face is arranged so that the layer and face do not have to be peeled apart and chemical and physical interaction b... | 02/19/1980 |
| 4186660 | Screen-printing frame with plastic side bars bondable to fabric by surface-softening For screen printing, in which the screen fabric is tightly stretched across a frame structure, the frame, or at least its side bars, are formed of a plastic material which can be surface-softened by means of solvent or heat for bonding the fabric to it, t... | 02/05/1980 |
| 4184428 | Perforating-printing device for making and using thermal stencils A device which may be operated in a mode of thermally perforating thermal stencils, and another mode of producing printed copies by employing the perforated thermal stencils, wherein the thermal stencils are provided as a particular type of framed assembl... | 01/22/1980 |
| 4177728 | Method for producing duplicating stencils A duplicating stencil comprising a perforated or porous ink-permeable sheet composed of a synthetic resinous film or a metal sheet or film of aluminum or copper. The perforated or porous ink-permeable sheet is coated with a binding agent coating which coa... | 12/11/1979 |
| 4176602 | Dry film screen stencil and method of making A method of making a relatively thick dry film stencil for uses such as depositing solder paste through a screen chase. A stencil consisting of four mil thick dry film photoresist is formed by passing the photoresist layers through a roller and laminating... | 12/04/1979 |
| 4142464 | Screen printing and stencil articles, apparatus and methods Screen printing and stencil articles, apparatus and methods provide a stencil including a screen and photosensitive emulsion for selectively stopping areas of the screen upon photographic exposure and development. One or more sheets are adapted to receive... | 03/06/1979 |
| 4118288 | Method of producing a perforated metal foil, especially for screen printing A method of making a perforated metal foil, especially for screen printing, comprises applying to a metallic surface a photosensitive layer, exposing the photosensitive layer through a screen pattern, developing the exposed photosensitive layer to remove ... | 10/03/1978 |
| 4117497 | Printing and displaying technology using selective laser beam pricking of liquid film for writing information This disclosure obtains printing and displaying of information stored as a pattern of orifices in a colored liquid film established on the interstices of a screen-mesh member. A laser beam is used to effect removal of the film at each selected interstice ... | 09/26/1978 |
| 4096308 | Screen printing meshes A laminated assembly comprising a base sheet and a screen mesh laminated thereto in a tensioned state relative to the base sheet is provided. A screen printing screen is made therefrom by fixing the assembly on a screen printing frame and removing the bas... | 06/20/1978 |
| 4095236 | Electronic stencil engraving machine stylus and support A support for the stylus used in an electronic stencil cutting machine for burning or engraving information into stencil material mounted for relative movement with respect to said stylus, includes a t-shaped, blade-like body having a free end portion and... | 06/13/1978 |
| 4091727 | Heat-sensitive copying method for preparation of printing stencils A stencil sheet having a thin stretched thermoplastic resin film supported on an ink pervious porous substrate is positioned on an original manuscript in a manner such that the film may be in close contact with the imaged side of the manuscript. The assem... | 05/30/1978 |
| 4088073 | Process for preparing ink releasing stencil A novel method for preparing a stencil master, a novel stencil and a method for printing therefrom are provided. The method for preparing the stencil comprises coating a suitable screen with a curable silicone containing a curing catalyst, depositing a pa... | 05/09/1978 |
| 4078488 | Method of preparing a printing screen by molding A screen for use in a silk screen printing process is made by a process comprising the steps of forming a positive image of a desired print, applying it to a screen so as to obstruct apertures therein corresponding to said positive image, filling all unob... | 03/14/1978 |
