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Japanese Crown Corporation Acquired New Patent for Original "DELTITE" Screw

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2016-03-25

Crown Corporation's self-developed "DELTITE" screws have acquired a new patent last year in Japan. The product is pending for patents in 11 countries in the world, and the company is enhancing its intellectual property strategy across the world.

 

"DELTITE" acquired the first patent and started sales back in 1976. Now the product has acquired a third patent and has become the main product of the company. The patent number is "5770399", and the title of invention is "Self-tapping screw and its manufacturing method". The new patent will last until 2035.

 

DELTITE is a self-tapping forming screw. The front end of the threads have taper points used for guiding, and there are 3 spoon-shaped concaves on the circumference. Its female threads are formed through plastic processing. Features include:


1. No need to use taps to make female threads, greatly lowering the cost.
2. Low driving torque, high performance.
3. Strong fixture. Not loosening to vibration or impact.
4. Reduced cutting chips.
5. Exchangeable with small screws.

 

The company is also enhancing sales of its original special recess screw "CROSSFIRM" , which prevents screwdriver bits from cam-out during fastening process.

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