Patents by Inventor Ray Long Tsai
Ray Long Tsai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10710287Abstract: An injection molding method includes the steps of positioning a core piece in a mold cavity through a plurality of positioning pins; injecting a molten plastic material into the mold cavity to surround and cover the core piece; maintaining the pressure inside the mold cavity at a predetermined maintaining time so that the core piece is positioned by the molten plastic material; retracting the positioning pins from the mold cavity when a predetermined retraction time is reached, so that spaces occupied by the positioning pins in the mold cavity can be filled with the molten plastic material; and completely curing the molten plastic material to form a finished product.Type: GrantFiled: January 26, 2018Date of Patent: July 14, 2020Assignee: Taiwan Green Point Enterprises Co., Ltd.Inventors: Ray-Long Tsai, Chi-Hung Liao, Yan-Hua Li, Chien-Jung Hsu, Chun-Hao Hu, Chia-Yu Yen
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Patent number: 10094965Abstract: A pattern displaying device includes a light path changing element, a first light source, a second light source, and a control module. The light path changing element has first inclined surfaces to reflect light and arranged into a first predetermined pattern, and second inclined surfaces to reflect light and arranged into a second predetermined pattern. The first light source is operable to emit light toward the first inclined surfaces to display the first predetermined pattern. The second light source is operable to emit light toward the second inclined surfaces in order to display the second predetermined pattern. The control module is electrically connected to the first and second light sources to control the first and second light source to emit light or not.Type: GrantFiled: November 11, 2015Date of Patent: October 9, 2018Assignee: TAIWAN GREEN POINT ENTERPRISES CO., LTD.Inventors: Ray-Long Tsai, Pei-Shan Hsieh, Tung-Chuan Chen, Cheng-Yen Wang, Shih-Tsung Chang
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Publication number: 20180147760Abstract: An injection molding method includes the steps of positioning a core piece in a mold cavity through a plurality of positioning pins; injecting a molten plastic material into the mold cavity to surround and cover the core piece; maintaining the pressure inside the mold cavity at a predetermined maintaining time so that the core piece is positioned by the molten plastic material; retracting the positioning pins from the mold cavity when a predetermined retraction time is reached, so that spaces occupied by the positioning pins in the mold cavity can be filled with the molten plastic material; and completely curing the molten plastic material to form a finished product.Type: ApplicationFiled: January 26, 2018Publication date: May 31, 2018Applicant: TAIWAN GREEN POINT ENTERPRISES CO., LTD.Inventors: Ray-Long Tsai, Chi-Hung Liao, Yan-Hua Li, Chien-Jung Hsu, Chun-Hao Hu, Chia-Yu Yen
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Publication number: 20160139321Abstract: A pattern displaying device includes a light path changing element, a first light source, a second light source, and a control module. The light path changing element has first inclined surfaces to reflect light and arranged into a first predetermined pattern, and second inclined surfaces to reflect light and arranged into a second predetermined pattern. The first light source is operable to emit light toward the first inclined surfaces to display the first predetermined pattern. The second light source is operable to emit light toward the second inclined surfaces in order to display the second predetermined pattern. The control module is electrically connected to the first and second light sources to control the first and second light source to emit light or not.Type: ApplicationFiled: November 11, 2015Publication date: May 19, 2016Applicant: TAIWAN GREEN POINT ENTERPRISES CO., LTD.Inventors: Ray-Long TSAI, Pei-Shan HSIEH, Tung-Chuan CHEN, Cheng-Yen WANG, Shih-Tsung CHANG
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Publication number: 20160107347Abstract: An injection molding method includes the steps of positioning a core piece in a mold cavity through a plurality of positioning pins; injecting a molten plastic material into the mold cavity to surround and cover the core piece; maintaining the pressure inside the mold cavity at a predetermined maintaining time so that the core piece is positioned by the molten plastic material; retracting the positioning pins from the mold cavity when a predetermined retraction time is reached, so that spaces occupied by the positioning pins in the mold cavity can be filled with the molten plastic material; and completely curing the molten plastic material to form a finished product.Type: ApplicationFiled: October 16, 2015Publication date: April 21, 2016Applicant: Taiwan Green Point Enterprises Co., Ltd.Inventors: Ray-Long TSAI, Chi-Hung LIAO, Yan-Hua LI, Chien-Jung HSU, Chun-Hao HU, Chia-Yu YEN
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Publication number: 20130052294Abstract: A method of making a molding tool includes: preparing an imprinting master having a surface relief pattern; applying a curable material on a flexible film; embossing the curable material on the flexible film using the imprinting master so as to transfer the surface relief pattern to the curable material; curing the embossed curable material so as to form a patterned-and-cured material; attaching and conforming the flexible film to a non-planar surface of a model; forming a thin metal film over the patterned-and-cured material; electroforming a metal layer over the thin metal film so as to form a molding tool of the metal layer; and removing the molding tool from the thin metal film.Type: ApplicationFiled: March 30, 2011Publication date: February 28, 2013Applicant: TAIWAN GREEN POINT ENTERPRISES CO., LTD.Inventors: Shaupoh Wang, Ray Long Tsai, Tung Chuan Chen, Pei Shan Hsieh, Hui Mei Chang, Shih Tsung Chang
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Patent number: 7950829Abstract: The high efficiency light emitting diode apparatus mainly comprises a connector, a heat dissipating body, a light generator, a central venting portion, and a transparent casing. This connector has a flow guider, a flow chamber and a vent. The light generator contains several LEDs. The heat dissipating body includes an inner passage and an outer passage. The central venting portion has a central channel. An inner flow path and an outer flow path are formed. So, the heat dissipating effect of the flow paths is excellent. The structure forming two flow paths can enhance the heat dissipating effect. The auxiliary element can strengthen the overall illuminating effect. Plus, the auxiliary element can make the light more uniformly.Type: GrantFiled: April 9, 2009Date of Patent: May 31, 2011Assignee: Taiwan Green Point Enterprises Co., Ltd.Inventors: Shao-Chen Chiu, Yih-Hua Renn, Ray-Long Tsai, Shih-Tsung Chang, Chi-Feng Cheng
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Publication number: 20100214781Abstract: The high efficiency light emitting diode apparatus mainly comprises a connector, a heat dissipating body, a light generator, a central venting portion, and a transparent casing. This connector has a flow guider, a flow chamber and a vent. The light generator contains several LEDs. The heat dissipating body includes an inner passage and an outer passage. The central venting portion has a central channel. An inner flow path and an outer flow path are formed. So, the heat dissipating effect of the flow paths is excellent. The structure forming two flow paths can enhance the heat dissipating effect. The auxiliary element can strengthen the overall illuminating effect. Plus, the auxiliary element can make the light more uniformly.Type: ApplicationFiled: April 9, 2009Publication date: August 26, 2010Applicant: TAIWAN GREEN POINT ENTERPRISES CO., LTD.Inventors: SHAO-CHEN CHIU, YIH-HUA RENN, RAY-LONG TSAI, SHIH-TSUNG CHANG, CHI-FENG CHENG
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Patent number: 7234855Abstract: A lamp having a planar light-emitting source includes a light-guiding structure, a light-emitting portion, and a shading supporting seat. The point-shaped lighting units of the light-emitting portion emit the point-shaped light beams toward the side plane of the light-guiding structure. Then, these beams enter the light-guiding structure. After turning approximately 90 degrees, a uniformly distributed planar light generated from the light-emitting plane of the light-guiding structure. So, a planar light source is obtained. In this invention, it has a planar light-emitting function with better lighting efficiency. The planar lighting is evenly distributed without shadow. Its energy consumption and heat generation are low. The product's life is prolonged. Its volume is small and it is portable.Type: GrantFiled: June 6, 2005Date of Patent: June 26, 2007Assignee: Taiwan Green Point Enterprises Co., Ltd.Inventors: Shao Chen Chiu, Chi Feng Cheng, Ray Long Tsai, Hui Hua Hu, Ming Yuan Lai
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Patent number: 5698239Abstract: A heating mechanism for zipper forming machines includes a mold base, a support seat, a seat cover, a screw sleeve and a heating element. The support seat has a clearance at a central portion and a heat insulation pad is fitted into the clearance for dividing the support seat into a heating area and a cooling area. The heating element is disposed in the heating area and a cooling element is disposed at the cooling area for enhancing heat energy efficiencies and reducing noise.Type: GrantFiled: May 3, 1996Date of Patent: December 16, 1997Assignee: Chung Shan Institute of Science & TechnologyInventors: Ray-Long Tsai, Joseph Wu
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Patent number: 5688539Abstract: An improved zipper teeth forming mechanism for zipper forming machines. The teeth forming mechanism includes a mold base, a support seat, a seat cover, a screw sleeve and a ram mechanism. The screw sleeve consists of an upper portion and a lower portion defining a space therebetween for accommodating a forming screw. The upper portion has an elongate groove and a notch. A central rod is disposed in the groove while the ram mechanism is secured at the notch of the upper portion of the screw sleeve. The ram mechanism consists of a ram adjusting seat with a post, a bearing positioned on the post, a ram roller fitted on the bearing and a slide block fitted on the post of the ram adjusting seat.Type: GrantFiled: May 3, 1996Date of Patent: November 18, 1997Assignee: Chung Shan Institute of Science & TechnologyInventors: Ray-Long Tsai, Joseph Wu