# US 4,398,462 A · Hot melt screen printing machine > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 4,398,462 A - Document ID: US4398462A - Status: Granted - Kind: A - Application number: 06/154,134 - Filed: 1980-05-29 - Granted: 1983-08-16 - Earliest claimed: 1979-05-30 - Assignees: TDK Electronics Co., Ltd. - Inventors: Tadao Okano - Web page: https://patentgrep.com/patent/US4398462A ## CPC - B41F 15/0813: {with flat screens} - B41C 1/14: for stencil-printing or silk-screen printing - B41M 1/12: Stencil printing; Silk-screen printing - H05B 3/00: Ohmic-resistance heating - H05K 3/1233: {Methods or means for supplying the conductive material and for forcing it through the screen or stencil} - H05K 3/1225: {Screens or stencils; Holders therefor} - H05K 2201/0281: Conductive fibers - H05K 2203/1115: Resistance heating, e.g. by current through the PCB conductors or through a metallic mask - B41F: PRINTING MACHINES OR PRESSES (manifolding devices or office printing machines B41L) - B41C: PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES (photomechanical processes for producing printing surfaces G03F; photoelectrical processes for producing printing surfaces G03G) - B41M: PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING, (correction of typographical errors B41J; processes for applying transfer pictures or the like B44C1/16; fluid media for correction of typographical errors by coating C09D10/00; printing textiles D06P) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract The present invention consists of insulating material fibers and an electroless plating layer formed on the fibers. The plating layer preferably consists of a nickel phosphorous alloy. A squeezing means for forcing the printing ink to pass through a printing pattern and/or a printing base for mounting an article to be printed are provided with a heating means. ## Claims ### Claim 1 A hot melt screen printing having a screen plate, said screen plate comprising: a metalic frame a screen mesh fixed to sais frame, said screen mesh formed from a plurality of insulating material fibers and an electroless, conductive plating layer formed on each of the fibers in first and third regions of said screen mesh, said first and third regions being separated and electrically insulated from each other by a second region, the insulating material fibers of said second region not having a conductive plating layer formed thereon, a resin coating applied onto said mesh on predetermined portions thereof, the portions of said mesh not included in said predetermined portions forming a printing pattern and electrode patterns; and power supply means for supplying an electric current to said screen mesh, said power supply means having electrodes coupled to said screen mesh at said electrode patterns thereon. ### Claim 2 (depends on 1) A hot melt printing machine as set forth in claim 1 wherein said printing pattern and said electrode patterns are positioned in said first region of said screen mesh. ### Claim 3 (depends on 1) A hot melt printing machine according to claim 1, wherein said insulating material fibers are polyester synthetic fibers. ### Claim 4 (depends on 1) A hot melt screen printing machine according to claim 1, wherein said first region is in the form of a zigzag pattern as seen in a plan view. ### Claim 5 (depends on 4) A hot melt screen printing machine according to claim 4, wherein said second region comprises two comb form regions as seen in a plan view, and said two comb form regions are arranged in a zigzag pattern as seen in a plan view. ### Claim 6 (depends on 1, 3, 4, 5) A hot melt screen printing machine according to claims 3, 4, 5 or 1, wherein said electroless plating layer is a nickel plating layer. ### Claim 7 (depends on 1, 3, 4, 5) A hot melt screen printing machine according to claims 3, 4, 5 or 1, wherein said electroless plating layer is a nickel alloy plating layer containing phosphorous. ### Claim 8 (depends on 7) A hot melt screen printing machine according to claim 7, wherein the phosphorous content of said nickel alloy is from approximately 2.0 to approximately 3.0%. ### Claim 9 (depends on 1) A hot melt screen printing machine according to claim 1, wherein said machine further comprises a printing base for mounting an article to be printed and a squeezing means for passing a printing ink from said screen pattern toward said article to be printed, and at least one of said printing means and said squeezing means is provided with a heating means. ### Claim 10 (depends on 9) A hot melt screen printing machine according to claim 9, wherein said heating means is a heat-generating resistor. ### Claim 11 (depends on 10) A hot melt screen printing machine according to claim 10, wherein said heating means of said squeezing means is enclosed within the body of said squeezing means comprising an elastic heat-resistant resin. ### Claim 12 (depends on 11) A hot melt screen printing machine according to claim 11, wherein said heating means of said squeezing means is provided with notches. ### Claim 13 (depends on 9) A hot melt screen printing machine according to claim 9, wherein said heating means of said printing base is situated within the body of said printing base having a recess.