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US 6,605,178 B1Granted
Ultrasonic sealer
AssigneeShikoku Kakoki Co., Ltd.
InventorsMitsuhiko Shinohara, Takeshi Iseki, Michio Ueda, Satoshi Kume, Osamu Tamamoto, Tadayoshi Hamaguchi
Life of this patent
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Abstract
An ultrasonic sealing apparatus comprises at least one horn having an elongated sealing face for sealing a packing material. Plural converters are erected on a side of the horn opposite to the sealing face for resonating the horn with a vibrating frequency. The ultrasonic sealing apparatus has a length that is one wavelength of the vibrating frequency and is fixed in position to a sealing jaw at a nodal plane of the vibrating frequency.
Claims23
An ultrasonic sealing apparatus, comprising:
- at least one horn having an elongated sealing face for sealing a packing material:
- and
- plural converters erected on a side of the horn opposite to the sealing face for resonating the horn with a vibrating frequency, wherein the ultrasonic sealing apparatus has a length that is one wavelength of the vibrating frequency and which is fixed in position to a sealing jaw at a nodal plane of the vibrating frequency.
Dependencies are inferred from the claim text.