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32results about How to "Safe and quick removal" patented technology

Motor driven sampling apparatus for material collection

An apparatus to excise a sample of material and temporarily store sample has a hollow clamshell casing with a blended grip under which is a tubular sample sleeve extends downwards from the base of the grip. Within the casing an electric motor is housed which drives, via juxtaposed spur gears, the sample sleeve in a rotational manner. The end of the sample sleeve, distal from the clamshell casing, forms a cutting edge circumscribing a circular region. An ejection rod slides reciprocally within the sample sleeve between a stowed position and an expulsion position. When the ejection rod moves from the stowed position to the expulsion position it will extend past the cutting edge and expel any material sample contained within the sample sleeve. A user cuts a sample from a source material resting on a pliable substrate, using the cutting edge of the sample sleeve when the ejection rod is in the stowed position. A sample is cut when the cutting blade contacts the source material while gentle downward pressure is applied. The thumb activates the electric drive which rotates the cutting sleeve. Once the source material has been cut it is simultaneously extracted and lodged within the tubular sample sleeve. The extracted sample remains lodged in the hollow of the sample sleeve until the user extends the ejection rod through the sample sleeve to the expulsion position to eject the sample of source material. The automatic return of the eject rod is comprised of a compression spring that biases the ejection shaft which holds the ejection rod in the retracted and stowed positions.
Owner:GE HEALTHCARE BIO SCI CORP

Motor driven rotational sampling apparatus with removable cutting tools for material collection

A motorized apparatus to simultaneously excise, retrieve, temporarily store and transport a sample of material has a hollow clamshell casing with a blended contoured grip for the fingers, a horizontal extension to eliminate slippage when held in a user's hand, and a flange bottom portion from which a removable cutting tool threaded to a drive shaft extends downwards. Within the clamshell casing an electric motor is mounted which drives, via gears, a drive shaft which rotates a cutting tool threaded to the distal end of the drive shaft. The end of the cutting tool, distal from the clamshell casing, forms a cutting edge circumscribing a circular region. An ejection rod slides reciprocally within the cutting tool between a stowed position and an expulsion position. Users core a sample from the source material by engaging contact between the cutting edge of the cutting tool and the surface of the source material, applying pressure against the surface of the source material while simultaneously activating the motor to rotate the cutting tool. The cutting region of the cutting tool passes through the source material contacting the support surface below the source material which urges the cored sample into the lumen of the cutting tool. The sample may be stored in the lumen or transported. Activation of the ejection rod moves from the stowed position towards the expulsion position displacing the temporarily stored sample from the lumen space in the cutting tool into the appropriate collection receptacle or onto a desired surface.
Owner:GE HEALTHCARE BIO SCI CORP

Motor driven rotational sampling apparatus with removable cutting tools for material collection

A motorized apparatus to simultaneously excise, retrieve, temporarily store and transport a sample of material has a hollow clamshell casing with a blended contoured grip for the fingers, a horizontal extension to eliminate slippage when held in a user's hand, and a flange bottom portion from which a removable cutting tool threaded to a drive shaft extends downwards. Within the clamshell casing an electric motor is mounted which drives, via gears, a drive shaft which rotates a cutting tool threaded to the distal end of the drive shaft. The end of the cutting tool, distal from the clamshell casing, forms a cutting edge circumscribing a circular region. An ejection rod slides reciprocally within the cutting tool between a stowed position and an expulsion position. Users core a sample from the source material by engaging contact between the cutting edge of the cutting tool and the surface of the source material, applying pressure against the surface of the source material while simultaneously activating the motor to rotate the cutting tool. The cutting region of the cutting tool passes through the source material contacting the support surface below the source material which urges the cored sample into the lumen of the cutting tool. The sample may be stored in the lumen or transported. Activation of the ejection rod moves from the stowed position towards the expulsion position displacing the temporarily stored sample from the lumen space in the cutting tool into the appropriate collection receptacle or onto a desired surface.
Owner:GE HEALTHCARE BIO SCI CORP

A treatment method for broken rolls in finish rolling

The invention provides a processing method for a finish-rolled broken roller. The processing method comprises the following steps of: when certain working roller breaks, separately screwing in a lifting ring into bolt holes inside working roller bearing boxes at the two sides of the broken roller; controlling a milling roller to lift in a balanced mode by a rolling mill PLC, enabling broken upper and lower working rollers to separate from a lower working roller and a lower supporting roller, enabling the lower parts of the broken rollers into anti-sliding cushion blocks, and keeping the broken rollers stable; bundling and fixing the broken rollers and the supporting roller by a nylon suspender, connecting and tightening the working roller bearing boxes at the two ends of the broken roller by a steel rope and two dual-action hydraulic cylinders, integrating two parts of the broken roller; and finally, pushing the connected broken roller out of the rolling mill through a roller-replacing pushing-pulling device. The processing method can effectively prevent the bearing box at the transmission side from tilting, increases broken roller processing speed, reduces labor intensity of staff, guarantees operation safety, and shortens original broken roller processing time to be 1.5 hours from original 3-5 hours, so that production is quickly recovered, and the operation rate of the rolling mill and the yield of a unit are increased.
Owner:ANGANG STEEL CO LTD
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