Patents by Inventor Yen-Chih Chung

Yen-Chih Chung 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).

  • Web product folding and stacking machine, web product folding and stacking method using same
    Patent number: 8172212
    Abstract: A web product folding and stacking machine includes two folding line making wheels, two folding fingers, a first carrier unit, a stoppage unit and a holder. The folding line making wheels and the folding fingers are operated to fold up web products on the first carrier unit to form a stack of interfolded web products. When a stack of a predetermined number of interfolded web products is finished, the stoppage unit is extended out to isolate the interfolded web products. Further, a retractable member of the stoppage unit is extended out to hold down the finished stack of interfolded web products when the stoppage unit is lowered to carry the finished stack of interfolded web products with the holder, keeping the finished stack of interfolded web products in integrity.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: May 8, 2012
    Assignee: Chan Li Machinery Co., Ltd.
    Inventors: Hsin-Fa Lien, Cheng-Kuo Chen, Yen-Chih Chung
  • WEB PRODUCT FOLDING AND STACKING MACHINE, WEB PRODUCT FOLDING AND STACKING METHOD USING SAME
    Publication number: 20110071010
    Abstract: A web product folding and stacking machine includes two folding line making wheels, two folding fingers, a first carrier unit, a stoppage unit and a holder. The folding line making wheels and the folding fingers are operated to fold up web products on the first carrier unit to form a stack of interfolded web products. When a stack of a predetermined number of interfolded web products is finished, the stoppage unit is extended out to isolate the interfolded web products. Further, a retractable member of the stoppage unit is extended out to hold down the finished stack of interfolded web products when the stoppage unit is lowered to carry the finished stack of interfolded web products with the holder, keeping the finished stack of interfolded web products in integrity.
    Type: Application
    Filed: July 9, 2010
    Publication date: March 24, 2011
    Applicant: Chan Li Machinery Co., Ltd.
    Inventors: Hsin-Fa LIEN, Cheng-Kuo Chen, Yen-Chih Chung