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Title:
ULTRASONIC SEALING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/018266
Kind Code:
A1
Abstract:
In an ultrasonic sealing device for paper containers, a horn becomes heated when sealing is performed continuously, and ultrasonic sealing becomes unstable; by cooling the horn during ultrasonic sealing, stable ultrasonic sealing is made possible. A tip end part of a horn (12) is cooled by supplying air (31) to a frame part (26) which is a part exposed toward an anvil (13) side and which is a tip end part of a case part (25) of an ultrasonic vibration generator, the case part housing said horn (12) and a converter (21) or said horn (12), a booster (22), and a converter (21).

Inventors:
YUHARA NORITAKA (JP)
YASUDA YUICHIRO (JP)
Application Number:
PCT/JP2016/071121
Publication Date:
February 02, 2017
Filing Date:
July 19, 2016
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
B65B51/10
Foreign References:
JP4603122B22010-12-22
JPH04253621A1992-09-09
JPH0444935A1992-02-14
JPH068330A1994-01-18
Attorney, Agent or Firm:
HIROSE Hajime et al. (JP)
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