Patents by Inventor Heng-Wei Li

Heng-Wei Li 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).

  • Patent number: 7435075
    Abstract: A thermoforming machine includes an upper frame (10) and a lower frame (40). The upper frame includes a top bracket (20) and a bottom bracket (30). The top bracket has a driving mechanism and a screw post (272) therein. The bottom bracket has an upper base plate (32) and a lower base plate (36) disposed with a distance therebetween. The upper base plate has a top forming plate (324) thereon. The lower base plate has a lower forming plate (362) thereon corresponding to the upper mold plate. One end of the screw post is fixed to the upper base plate, and the other end of the screw post is connected with the driving mechanism. The driving mechanism is for driving the screw post to bring the upper base plate moving toward or away the lower base plate.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: October 14, 2008
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Jeng-Chi Peng, Heng-Wei Li
  • Patent number: 7374419
    Abstract: A gating structure (13) for molding connects with a mold cavity (300). The gating structure includes a first gate (100), a second gate (200), an ejector sleeve (400) and an ejector pin (500). The second gate connects with the first gate at an angle. The ejector pin extends through the ejector sleeve. One part of the ejector pin fixes in the ejector sleeve, the other par of the ejector pin is received in the second gate.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: May 20, 2008
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Jeng-Chi Peng, Heng-Wei Li
  • Publication number: 20070087072
    Abstract: A thermoforming machine includes an upper frame (10) and a lower frame (40). The upper frame includes a top bracket (20) and a bottom bracket (30). The top bracket has a driving mechanism and a screw post (272) therein. The bottom bracket has an upper base plate (32) and a lower base plate (36) disposed with a distance therebetween. The upper base plate has a top forming plate (324) thereon. The lower base plate has a lower forming plate (362) thereon corresponding to the upper mold plate. One end of the screw post is fixed to the upper base plate, and the other end of the screw post is connected with the driving mechanism. The driving mechanism is for driving the screw post to bring the upper base plate moving toward or away the lower base plate.
    Type: Application
    Filed: July 7, 2006
    Publication date: April 19, 2007
    Applicant: HON HAI Precision Industry CO., LTD.
    Inventors: Jeng-Chi Peng, Heng-Wei Li
  • Publication number: 20060292260
    Abstract: A gating structure (13) for molding connects with a mold cavity (300). The gating structure includes a first gate (100), a second gate (200), an ejector sleeve (400) and an ejector pin (500). The second gate connects with the first gate at an angle. The ejector pin extends through the ejector sleeve. One part of the ejector pin fixes in the ejector sleeve, the other par of the ejector pin is received in the second gate.
    Type: Application
    Filed: April 4, 2006
    Publication date: December 28, 2006
    Inventors: Jeng-Chi Peng, Heng-Wei Li