1
Yoshihide Shibano: Ultrasonic cleaning and deburring apparatus. Paul A Guss, January 24, 1995: US05383483 (34 worldwide citation)


A cleaning solution is supplied from a solution reservoir to a workpiece held in a cleaning station through a cleaning solution supply passage extending from the solution reservoir to the solution reservoir. When the cleaning solution is supplied to the workpiece, ultrasonic energy is radiated into ...


2
Yoshihide Shibano: Pressurized ultrasonic cleaning apparatus. Paul A Guss, September 5, 1995: US05447171 (28 worldwide citation)


An ultrasonic cleaning tank has a tank body for accommodating a cleaning solution, an ultrasonic vibrator housed in a sealing container mounted on a bottom wall of the tank body, and an openable lid for sealingly closing the tank body when a workpiece to be cleaned is immersed in the cleaning soluti ...


3
Yoshihide Shibano: Ultrasonic washing apparatus. S & C, Cushman Darby & Cushman, March 13, 1990: US04907611 (20 worldwide citation)


Disclosed is an improvement of ultrasonic washing apparatus comprising at least one washing vessel, an ultrasonic vibrator for radiating ultrasonic wave into the washing bath, an oscillator for operating the ultrasonic vibrator and degassing means for removing dissolved air and other gases from the ...


4
Yoshihide Shibano: Paul A Guss, January 3, 1995: US05377709 (19 worldwide citation)


A workpiece immersed in a cleaning solution in a cleaning tank is cleaned by ultrasonic energy radiated by an ultrasonic vibrator disposed in a sealed container in the cleaning tank. A fluid such as a coolant gas or liquid is introduced under pressure into the sealed container to pressurize the inte ...


5
Yoshihide Shibano, Tsutou Saito: Paul A Guss, October 31, 1995: US05462604 (17 worldwide citation)


An ultrasonic vibrator has a single natural frequency for radiating ultrasonic energy into a cleaning solution to clean and deburr workpieces that are immersed in the cleaning solution. A plurality of oscillating signals having respective different frequencies which are integral multiples of the nat ...


6
Yoshihide Shibano: Ultrasonic cleaning system. S & C, Cushman Darby & Cushman, September 12, 1989: US04865060 (14 worldwide citation)


Disclosed is an improvement of ultrasonic cleaning system equipped with degassing means or boiling vessel to remove gases from cleaning liquid for activating the formation of cavitation in the cleaning bath. The ultrasonic cleaning system is improved according to the present invention in that the bo ...


7
Yoshihide Shibano: Method of ultrasonically grinding workpiece. Paul A Guss, January 31, 1995: US05384989 (12 worldwide citation)


A workpiece to be ground is immersed in a processing solution with abrasive grains suspended therein. The processing solution is contained in an ultrasonic processing tank equipped with an ultrasonic vibrator. Ultrasonic energy is radiated from said ultrasonic vibrator into said processing solution ...


8
Yoshihide Shibano: Spray tube ultrasonic washing apparatus. S & C, Cushman Darby & Cushman, February 16, 1993: US05186389 (12 worldwide citation)


Disclosed is a spray type ultrasonic washing apparatus using a coaxial nozzle structure which is composed of inner and outer hollow frustums for supplying deaerated washing liquid in the annular passage delimited by the outer and inner frustums and supplying nondeaerated washing liquid in the inner ...


9
Yoshihide Shibano: Ultrasonic cleaning apparatus. Paul A Guss, April 8, 1997: US05617887 (7 worldwide citation)


An ultrasonic cleaning apparatus has an ultrasonic vibrator mounted in a cleaning tank on a bottom thereof for radiating ultrasonic energy, and a deaerated cleaning solution stored in the cleaning tank and having a surface level at a position substantially corresponding to an integral multiple of ha ...


10
Yoshihide Shibano: Method of ultrasonically cleaning workpiece. S & C, Paul A Guss, May 9, 2000: US06059886 (6 worldwide citation)


An ultrasonic cleaning tank with an ultrasonic vibrator mounted on its bottom is supplied with an aqueous cleaning solution which has been deaerated to a predetermined dissolved oxygen content ranging from 0.01 to 5 ppm. A workpiece to be ultrasonically cleaned is then immersed in the cleaning solut ...



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