Patents by Inventor Jian Guang Huang
Jian Guang Huang 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: 7677878Abstract: A slide having a fixing mechanism of a slide insert includes a slide body, a slide insert and a slide core. The slide body has a connecting portion and an inserting portion. The connecting portion defines a locating hole which stretches through the top surface to bottom surface of the connection portion. The inserting portion defines an inserting hole passing through the front and back surface of the inserting portion. A core hole is defined at the junction of the connecting portion and the inserting portion. The slide insert is located in the inserting hole. One end of the slide insert protrudes around to form a preventing part. The slide core is inserted in the core hole to fix the preventing part between the back surface of the inserting portion and the slide core. Then the slide insert is fixed in the slide.Type: GrantFiled: March 26, 2007Date of Patent: March 16, 2010Assignee: Cheng Uei Precision Industry Co., Ltd.Inventors: Chih-yu Chen, Jian-guang Huang, Yun-ging He, Chun-yan Wu
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Publication number: 20090304849Abstract: An injection mold includes a stationary mold section, a movable mold section and an up-down sliding side core. The movable mold section and the stationary mold section define a molding cavity capable of receiving liquefied molding material for forming an article. The sliding side core is received between the stationary mold section and the movable mold section and adjacent to the molding cavity, a side of the sliding side core defines a fixing portion for engaging and further moving upwardly the expected product out of the molding cavity. The injection mold can mold the expected product and conveniently guide the product out of the mold, the injection mold is easy to be manufactured, the cost for manufacturing the injection mold is lower.Type: ApplicationFiled: June 4, 2008Publication date: December 10, 2009Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Chih-Yu Chen, Jian-Guang Huang, Chun-Yan Wu
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Publication number: 20090304845Abstract: A demolding mechanism of mold includes a male mold, a swingable block and an elastic element. The male mold defines a receiving groove therein. The swingable block mounted in the receiving groove of the male mold has a pressing arm and a shaping arm connected with the pressing arm. The shaping arm defines a shaping portion for shaping a part of a product to be molded in the mold. The elastic element is resiliently disposed between the bottom of the pressing arm of the swingable block and the male mold for causing the swingable block to swing, which makes the product be disengaged from the shaping portion of the swingable block.Type: ApplicationFiled: June 5, 2008Publication date: December 10, 2009Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Chih-Yu Chen, Jian-Guang Huang, Chun-Yan Wu
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Publication number: 20090263526Abstract: The present invention provides a position mechanism including a locating body. The locating body defines a locating cavity and a receiving chamber communicating with the locating cavity. A locating stopper is received in the receiving chamber of the locating body with an end thereof toward the locating cavity, and an elastic component is received in the receiving chamber of the locating body and resiliently biases the locating stopper into the locating cavity.Type: ApplicationFiled: April 17, 2008Publication date: October 22, 2009Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Chih-Yu CHEN, Jian-Guang HUANG, Chun-Yan WU, Guo-Ning LIANG
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Publication number: 20090238914Abstract: A feed mechanism of mold includes a top plate, an injection body and two slides. The top plate defines a recess in the bottom for receiving the two slides. The injection body is disposed in the top of the top plate and defines a sprue at the top thereof, a first pouring runner and a second runner both connecting with the sprue. The bottom of the first pouring runner penetrates through the injection body. The slide has a mating surface. The two mating surfaces of the two slides match each other. A shaping recess is defined between the mating surfaces for receiving a core insert. An injection runner is defined between the mating surfaces and connects with the first pouring runner to define a first runner. Two molding cavities are defined among the slides, the core insert and the injection body and connect with the first runner and the second runner respectively.Type: ApplicationFiled: March 18, 2008Publication date: September 24, 2009Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Chih-Yu CHEN, Jian-Guang HUANG, Chun-Yan WU
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Publication number: 20090230281Abstract: A mold with unloading mechanism includes an upper insert embedded in an upper plate, a lower insert embedded in a lower plate and matching the upper insert to define a cavity therebetween for molding the product, a bottom clamping plate located under the lower plate via a padding plate, a pusher penetrating through the bottom clamping plate to push an ejector plate assembly movably received in the padding plate, two unloading pins, a stroke pin and an elastic element. The bottom of the unloading pin is fixed in the ejector plate assembly and the bottom of the stroke pin is movably configured in the ejector plate assembly. The top of the unloading pin and the stroke pin movably penetrates through the lower plate and the lower insert to push the product. The elastic element is against the bottom clamping plate and the bottom of the stroke pin.Type: ApplicationFiled: March 17, 2008Publication date: September 17, 2009Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Chih-Yu CHEN, Jian-Guang HUANG, Chun-Yan WU, Guo-Ning LIANG
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Publication number: 20090028983Abstract: The injection mold with a tie bar includes an upper stationary board, a stripping plate, a female board, a male board and a lower stationary plate from top to bottom. The upper stationary plate extends outward to form a projection plate, an accepting hole opened in the projection plate and having a step therein. A tie bar is arranged on the outside of the injection mold and includes a stud, a connecting head and a pole. The stud passes through the accepting hole and is fixed on the top of the pole. The stud is slidable along the accepting hole and against the step. The top of the pole is located the outside of the stripping plate while the bottom extends outward to form at least one block. The connecting head has a gap for encircling the pole and is slidable along the pole and against the block of the pole.Type: ApplicationFiled: July 23, 2007Publication date: January 29, 2009Inventors: Chih-Yu Chen, Jian-Guang Huang, Yun-Ging He, Chun-Yan Wu, Luan-Guang Li
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Patent number: 7481648Abstract: A side mold working mechanism includes a cavity plate defining a mounting groove forming a receiving hole. Bilateral sides of the mounting groove hollow toward bilateral sides of the cavity plate to form two hollow grooves. Two guide blocks disposed in the hollow grooves have a leading track. The guide block defines a locating recess communicating with the leading track. Two locating blocks fixedly mounted in the locating recesses have a preventing portion placed on the leading track. A slide is movably assembled in the mounting groove. Bilateral sides of the top of the slide protrude outward to form two shoulders slidably supported by the leading tracks and capable of being blocked by the preventing portions. The top of the slide defines an inclined groove and an angular pin has an inclined bottom end for being inserted into or withdrawn out of the inclined groove from the receiving hole.Type: GrantFiled: November 16, 2007Date of Patent: January 27, 2009Assignee: Cheng Uei Precision Industry Co., Ltd.Inventors: Chih-yu Chen, Jian-guang Huang, Chun-yan Wu, Yuan-ru Sun
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Patent number: 7435079Abstract: An angular ejector mechanism for ejecting a plastic article with a recess in an inner side includes an angular ejector pin, a sliding pin, an elastic elements and a stopping block. The angular ejector pin includes a molding plate and a supporting plate. A moving hole and a sliding groove are respectively defined in a front face and an opposite rear face of the molding plate to communicate with each other. The sliding pin has a stopping protrusion dividing the sliding pin into a moving portion and a sliding portion. A sliding channel is defined on a front face of the stopping block. The sliding includes a vertical channel and a inclined channel. The moving portion is received in the moving hole of the molding plate, and the sliding portion slides from the sliding channel into the inclined channel until the angular ejector pin separates from the plastic article.Type: GrantFiled: April 18, 2006Date of Patent: October 14, 2008Assignee: Cheng Uei Precision Industry Co., Ltd.Inventors: Ching-Chang Wang, Chih-Yu Chen, Jian-Guang Huang, Yun-Chun He
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Publication number: 20080248151Abstract: A mold insert positioning mechanism of an injection mold includes a top clamping plate, a cavity insert, a restricting bar, multiple screws and a cavity plate fastened on the top clamping plate. The mold cavity is arranged in an approximate central position of the cavity plate so as to form a locating surface, a second back side and a third wall. The accepting space is arranged on the edge of the cavity plate and communicates with the mold cavity so as to form a first front side, a first connecting side, a second front and a connecting side. The second back side urges the cavity insert to move in on the locating surface so as to position the cavity insert once the cavity insert moves in the mold cavity. Multiple screws lock the restricting bar and the cavity plate as an integral so that the cavity insert is positioned in the mold cavity completely.Type: ApplicationFiled: April 5, 2007Publication date: October 9, 2008Inventors: Chih-Yu CHEN, Jian-Guang Huang, Yun-Qing He, Chun-Yan Wu, Lin-Chong Zhu
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Publication number: 20080241310Abstract: An injection mold with a quick-change apparatus includes a top clamping plate, a cavity plate, a core plate, a core plate frame, an ejector mechanism and a bottom clamping plate. The core insert and the ejector mechanism are defined between the core plate and the core plate frame. A plurality of connecting rods are defined between the core insert and the ejector plates, one end of the connecting rod received in the passageway of the ejector plate, the other end of the connecting rod fixed in the cavity of the core insert to enable the ejector plate and the ejector ret plate to move up and down and connect with the connecting rod all long. So the ejector mechanism and the core insert are connected together, and can be changed together.Type: ApplicationFiled: March 26, 2007Publication date: October 2, 2008Inventors: Chih-Yu Chen, Jian-Guang Huang, Yun-Ging He, Chun-Yan Wu, Lin-Chong Zhu
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Publication number: 20080241304Abstract: A slide having a fixing mechanism of a slide insert includes a slide body, a slide insert and a slide core. The slide body has a front wall and two sidewalls. The front wall defines a receiving hole. The sidewall defines an inlay cavity. The inlay cavity passes through the receiving hole. The slide insert held in the receiving hole has a moldboard on one end, and on one side it defines a locating opening. The moldboard stretches out of the front wall of the slide body. The slide core is inserted in the inlay cavity of the slide body and further inserted in the locating opening of the slide insert. Then the slide insert is fixed in the slide body.Type: ApplicationFiled: March 26, 2007Publication date: October 2, 2008Inventors: Chih-Yu Chen, Jian-Guang Huang, Yun-Ging He, Chun-Yan Wu
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Publication number: 20080236221Abstract: A slide having a fixing mechanism of a slide insert includes a slide body, a slide insert and a slide core. The slide body has a connecting portion and an inserting portion. The connecting portion defines a locating hole which stretches through the top surface to bottom surface of the connection portion. The inserting portion defines an inserting hole passing through the front and back surface of the inserting portion. A core hole is defined at the junction of the connecting portion and the inserting portion. The slide insert is located in the inserting hole. One end of the slide insert protrudes around to form a preventing part. The slide core is inserted in the core hole to fix the preventing part between the back surface of the inserting portion and the slide core. Then the slide insert is fixed in the slide.Type: ApplicationFiled: March 26, 2007Publication date: October 2, 2008Inventors: Chih-yu Chen, Jian-guang Huang, Yun-ging He, Chun-yan Wu
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Patent number: 7413427Abstract: The injection die has a mold plate that has a main arm, a compressed board serve to lock down the mold insert within the mold plate and an ejection mechanism. The ejection mechanism has a columned ejector pin with a stopping protruded from one end of the ejector pin, an elastic module installed in the main arm to abut against the ejector pin to provide an elastic force, and a fixed board received in the main arm to withstand one end of the elastic module.Type: GrantFiled: May 7, 2007Date of Patent: August 19, 2008Assignee: Cheng Uei Precision Industry Co., Ltd.Inventors: Chih-Yu Chen, Jian-Guang Huang, Yun-Qing He, Chun-Yan Wu
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Publication number: 20080173786Abstract: An injection mold including a quick-change mold assembly has a stationary platen, a mold, a core, a spring and a plurality of blots. The stationary platen has a plurality of inserting holes defined at two side laterals and a plurality of first fixing holes defined at the said laterals besides a rear lateral. The mold has a chamber, a plurality of inserting apertures and second fixing holes. The inserting apertures are corresponding to the inserting holes. The second fixing holes are corresponding to the first fixing holes. The core is placed in the chamber of the mold. The springs are located in the inserting apertures. A plurality of bolts used for anchoring the mold and the core to the stationary platen are located in the first fixing hole and the second fixing hole.Type: ApplicationFiled: January 23, 2007Publication date: July 24, 2008Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Chih-Yu Chen, Jian-Guang Huang, Yun-Qing He, Chun-Yan Wu, Lin-Chong Zhu
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Publication number: 20080152753Abstract: An ejector blade comprises a pin shaft and a safeguard. The pin shaft includes an enlarged circular head. The head is an integrally molded portion of the pin shaft. Furthermore, the pin shaft has a pillar part connected to the head and a blade part extending from the pillar part. Each side of the blade part defines an integrally molded support part thereon for supporting the thin blade part. The safeguard disposed in a core plate of a mold is cylindrically shaped with a diameter longer than the support part. The safeguard further defines a first axial passage for allowing the blade part to pass therethrough and a second axial passage for receiving the support part therein.Type: ApplicationFiled: December 22, 2006Publication date: June 26, 2008Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventors: Chih-Yu Chen, Jian-Guang Huang, Yu-Qing He, Chun-Yan Wu, Guo-Ning Liang
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Patent number: 7387505Abstract: A side-action mechanism disclosed in the present invention includes a slide carrier, an insert core, and a core pin engaged with the slide carrier. The slide carrier has an angular slide groove perforating through the slide carrier and an opening formed and making communication between a front surface and the bottom surface with a slide way defined on its top. The insert core which is accommodated in the angular slide groove has a secured portion and an angular insert portion extending downwards from the secured portion. The core pin has a body which is small enough to be accommodated in the opening, but long enough to protrude out of the opening. The body at one end defines a pair of ears thereof for engaging with the slide way so that the core pin can slide along the slide way.Type: GrantFiled: November 24, 2006Date of Patent: June 17, 2008Assignee: Cheng Uei Precision Industry Co., Ltd.Inventors: Chih-Yu Chen, Jian-Guang Huang, Yun-Ging He, Chun-Yan Wu
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Patent number: 7381051Abstract: A core-pulling mechanism for pulling a slide core and a threaded-pin core in an injection mold includes a hinge shaft having two ends with polygonal cross-section, an shaft sleeve assembled with a rear of the hinge shaft, a baffle block having axial through opening allowing the hinge shaft to pass through and rotate therein, a slider having a through hole for receiving the baffle block and a semi-closed transmission hole defined in a rear wall, a transmission shaft assembled in the transmission hole and fixed to the slider, and a guide block. The baffle block and the guide block have inclined guiding bulges and inclined guiding grooves engaging with each other to guide the baffle block to slide. While the transmission shaft drives the slider to move backward, the hinge shaft following with the slider move backward and slide in the shaft sleeve, thus, the distance of the backward movement of the cores pulled by the core-pulling mechanism is not limited.Type: GrantFiled: January 24, 2006Date of Patent: June 3, 2008Assignee: Cheng Uei Precision Industry Co., Ltd.Inventors: Chiang-Chang Wang, Chih-Yu Chen, Jian-Guang Huang, Xiao-Jun Zheng
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Publication number: 20080124425Abstract: A side-action mechanism disclosed in the present invention includes a slide carrier, an insert core, and a core pin engaged with the slide carrier. The slide carrier has an angular slide groove perforating through the slide carrier and an opening formed and making communication between a front surface and the bottom surface with a slide way defined on its top. The insert core which is accommodated in the angular slide groove has a secured portion and an angular insert portion extending downwards from the secured portion. The core pin has a body which is small enough to be accommodated in the opening, but long enough to protrude out of the opening. The body at one end defines a pair of ears thereof for engaging with the slide way so that the core pin can slide along the slide way.Type: ApplicationFiled: November 24, 2006Publication date: May 29, 2008Inventors: Chih-Yu Chen, Jian-Guang Huang, Yun-Ging He, Chun-Yan Wu
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Patent number: D580424Type: GrantFiled: March 9, 2006Date of Patent: November 11, 2008Assignee: Cheng Uei Precision Industry Co., Ltd.Inventors: Ching Chang Wang, Chih Yu Chen, Shao Guang Fang, Jian Guang Huang