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The Barnacle is a bright yellow, 20-pound (9.1 kg) piece of plastic that adheres to a windshield with 750 pounds-force (3,300 N) of force. It is equipped with an alarm that sounds if the vehicle is moved, and it has a keypad to input an unlock code so that the owner, after settling their parking violation, can release the device and drive away.
Not only is scraping your car windows a messy, cold job, but sometimes despite your best efforts, the ice just won't budge. Plus, most car defrosters just aren't speedy enough when the clock is ...
The working face of the suction cup is made of elastic, flexible material and has a curved surface. [3] When the center of the suction cup is pressed against a flat, non-porous surface, the volume of the space between the suction cup and the flat surface is reduced, which causes the air or water between the cup and the surface to be expelled past the rim of the circular cup.
Inside the self-sealing suction cup, the plug is positioned close to the tube opening so that it can get sucked into the tube seal the hole when the central suction line is powered. A pair of springs connected to the suction cup's base helps maintain the plug's position, restoring the plug seal in the absence of object forces.
Nano-suction is a technology that uses vacuum, negative fluid pressure and millions of nano-sized suction cups to securely adhere any object to a flat non-porous surface. When the nano-suction object is pressed against a flat surface, millions of miniature suction cups create a large vacuum, generating a strong suction force that can hold a ...
For micro-suction tape, the necessary force is proportional to the attachment surface area. Compared to a suction cup, the force is smaller for the tape (assuming the same attachment surface area) because only a portion of the surface area contains craters that form vacuum chambers, and the maximal force factor is determined by this portion.
Window cleaning and window cleaners are the subject of songs, films and comment, often with comic intent. Examples include George Formby's comic song "The Window Cleaner", also known as "When I'm Cleaning Windows" is one of the best known. Films about window cleaners include The Window Cleaner (1968) [15] and Confessions of a Window Cleaner ...
The Ajax brand was extended to a line of household cleaning products and detergents, which enjoyed its greatest success in the 1960s and beginning of the 1970s. Ajax All Purpose Cleaner with Ammonia, introduced in 1962, was the first major competitor to Procter and Gamble's Mr. Clean (debuted 1958). Ajax's success as the so called "White ...