Coaxial flexible piezoelectric cable polarizer, polarizing...

Details Coaxial flexible piezoelectric cable polarizer, polarizing... Coaxial flexible piezoelectric cable polarizer, polarizing...

2007-04-03

2007-04-03

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S358000, C310S800000, C029S025350, C361S233000

Reexamination Certificate

active

10485491

ABSTRACT:
The invention provides a defect inspecting apparatus and a defect detecting method for specifying a position of a defect before polarization when the defect is included in a coaxial flexible piezoelectric member. Further, when a piezoelectric tube is moved in polarization, a friction force is produced between the coaxial flexible piezoelectric member and a block-like conductor and therefore, a large force is needed in moving the piezoelectric tube. The invention provides a polarizing apparatus and a polarizing method capable of moving the piezoelectric tube even by a small force.There are provided a defect detecting apparatus of a coaxial flexible piezoelectric member having a constitution of applying a direct current to a coaxial flexible piezoelectric member while moving a piezoelectric tube arranged at a hole of inspecting electrode means and a marking apparatus for marking a defect portion. Thereby, when a defect is present at a portion thereof arranged at the hole of the inspecting electrode means, electricity is discharged at the defect portion and therefore, the defect portion can be specified and the mark can be attached to the defect portion. Further, a conductive block provided with a path portion of the piezoelectric tube is divided. By dividing the block-like conductor by a plural number, a friction force between the block-like conductor per divided one and the piezoelectric tube is reduced. Further, the piezoelectric tube can be moved by a small force by a pulley arranged at a fold back portion of the piezoelectric tube.

REFERENCES:
patent: 4392178 (1983-07-01), Radice
patent: 4568851 (1986-02-01), Soni et al.
patent: 4629925 (1986-12-01), Booth et al.
patent: 4670074 (1987-06-01), Broussoux et al.
patent: 4715098 (1987-12-01), Booth et al.
patent: 5153859 (1992-10-01), Chatigny et al.
patent: 5336422 (1994-08-01), Scheinbeim et al.
patent: 6593681 (2003-07-01), Ebisawa et al.
patent: 6875394 (2005-04-01), Soulier
patent: 146272 (1985-06-01), None
patent: 54-113296 (1979-09-01), None
patent: 2001-99723 (2001-04-01), None
Banno, Hisao and Ogura, Kohji; Piezoelectric Flexible Composites Consist of Piezoelectric Ceramic Powder and Synthetic Rubber; In:Powder and Industry, vol. 22, No. 1, pp. 50-56, 1990.
Fox, David: A Novel Piezoelectric Sensor Cable; In:Plastic and Rubber International, vol. 12, No. 1, pp. 25-26, Feb. 1987.

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