The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2020
Filed:
Dec. 01, 2016
Toyo Jidoki Co., Ltd., Minato-ku, Tokyo, JP;
Yasuyuki Honda, Iwakuni, JP;
Tohru Yoshikane, Iwakuni, JP;
Toyo Jidoki Co., Ltd., Tokyo, JP;
Abstract
An ultrasonic sealing method and device for a bag, in which pressurized gas spray outlets () are provided at distal ends of a horn () and an anvil () so as to be used as gas blowing nozzles, the distal ends of the horn and the anvil are placed against a cutout () formed in a gas compartment () of the bag, a gas is blown into the gas compartment to inflate it, and then the horn and the anvil clamp films surrounding the cutout while the gas blowing is in progress, so that ultrasonic sealing is carried out by the horn to the films to trap the gas inside the gas compartment. A contact member () is provided directly under the horn. The contact member is pressed against inflated film () of the gas compartment, and in this state ultrasonic vibration energy is supplied to the horn.