Patents by Inventor Hongbiao LU

Hongbiao LU 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).

  • Fast hot melt adhesive gun
    Patent number: 11130149
    Abstract: A fast hot melt adhesive gun includes an adhesive gun housing, wherein an end part of one end of the adhesive gun housing is provided with an adhesive inlet, a heating cavity used for heating an adhesive rod is formed in the adhesive gun housing, an inner wall of the adhesive gun housing is fixedly connected with a chute for the adhesive rod to slide, the heating cavity comprises a funnel-shaped heating head, a rear end of the funnel-shaped heating head is in communication with a connecting pipe, an outside of the funnel-shaped heating head is wrapped with a PTC heating layer, an inner diameter of the funnel-shaped heating head is gradually reduced from a first end at the connecting pipe to a second end at the funnel-shaped heating head, a front end of the funnel-shaped heating head is in communication with a copper sleeve.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: September 28, 2021
    Assignee: NINGBO YAOSHENG TOOLS INDUSTRIAL CO. LTD
    Inventor: Hongbiao Lu
  • FAST HOT MELT ADHESIVE GUN
    Publication number: 20210268538
    Abstract: A fast hot melt adhesive gun includes an adhesive gun housing, wherein an end part of one end of the adhesive gun housing is provided with an adhesive inlet, a heating cavity used for heating an adhesive rod is formed in the adhesive gun housing, an inner wall of the adhesive gun housing is fixedly connected with a chute for the adhesive rod to slide, the heating cavity comprises a funnel-shaped heating head, a rear end of the funnel-shaped heating head is in communication with a connecting pipe, an outside of the funnel-shaped heating head is wrapped with a PTC heating layer, an inner diameter of the funnel-shaped heating head is gradually reduced from a first end at the connecting pipe to a second end at the funnel-shaped heating head, a front end of the funnel-shaped heating head is in communication with a copper sleeve.
    Type: Application
    Filed: October 20, 2020
    Publication date: September 2, 2021
    Applicant: Ningbo Yaosheng Tools Industrial Co. LTD
    Inventor: Hongbiao LU