Patents Assigned to Welcome Co., Ltd.
  • Publication number: 20030019861
    Abstract: An electric heat sealer for sealing workpieces such as plastic bags or the like includes a casing defining a battery chamber, a press bar pivotally connected to the casing, a sealing mechanism supported on a compression spring in a spring holder inside the casing, and a safety device. The sealing mechanism is electrically connected to produce heat for sealing the workpiece being put thereon when the press bar pressed against the sealing mechanism. The safety device breaks the electrical circuit when the apparatus is not in use.
    Type: Application
    Filed: December 12, 2000
    Publication date: January 30, 2003
    Applicant: Welcome Co., Ltd.
    Inventors: Shu Hui Chou, Richard Chang
  • Publication number: 20020185484
    Abstract: A hand-held electric sealer used for sealing a plastic bag or the like, including a casing, a sealing mechanism, a press bar, and a safety device. The sealing mechanism has a heating wire, which produces heat for sealing the plastic bag or the like when turned on. The safety device controls the heating of the sealing mechanism, and stops the sealing mechanism from being triggered accidentally.
    Type: Application
    Filed: July 24, 2002
    Publication date: December 12, 2002
    Applicant: Welcome Co., Ltd.
    Inventors: Richard Chang, Ammy Chou
  • Patent number: 6232579
    Abstract: An electric heat sealer for sealing workpieces such as plastic bags or the like includes a casing defining a battery chamber, a press bar pivotally connected to the casing, a sealing mechanism supported on a compression spring in a spring holder inside the casing, and a safety device. The sealing mechanism is electrically connected to produce heat for sealing the workpiece being put thereon when the press bar pressed against the sealing mechanism. The safety device breaks the electrical circuit when the apparatus is not in use.
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: May 15, 2001
    Assignee: Welcome Co., Ltd.
    Inventors: Shu Hui Chou, Richard Chang
  • Publication number: 20010000608
    Abstract: A handy electric sealer used for sealing a plastic bag or the like, including a casing, a sealing mechanism, a press bar, and safety means. The sealing mechanism has a heating wire, which produces heat for sealing the plastic bag or the like when turned on. The safety means controls the heating of the sealing mechanism, and stops the sealing mechanism from being triggered by an erroneous action.
    Type: Application
    Filed: December 18, 2000
    Publication date: May 3, 2001
    Applicant: Welcome Co., Ltd.
    Inventors: Richard Chang, Ammy Chou