ROLLER SHUTTER MANUFACTURERS - SHUTTER MANUFACTURERS


ROLLER SHUTTER MANUFACTURERS - ALUMINIUM ROLLER SHUTTERS - MOTORIZED DRAPERY TRACKS.



Roller Shutter Manufacturers





roller shutter manufacturers






    roller shutter
  • This is a door made of a number of narrow steel flats joined together horizontally. They are fitted into vertical guides at either end which allow them to slide up and down. The narrow slats enable the door to be rolled up around a tube at the top.

  • A roller shutter, roller door or sectional overhead door is a type of door or window shutter consisting of many horizontal slats (or sometimes bars or web systems) hinged together. The door is raised to open it and lowered to close it. On large doors, the action may be motorized.





    manufacturers
  • (manufacture) industry: the organized action of making of goods and services for sale; "American industry is making increased use of computers to control production"

  • (manufacture) put together out of artificial or natural components or parts; "the company fabricates plastic chairs"; "They manufacture small toys"; He manufactured a popular cereal"

  • (manufacture) create or produce in a mechanical way; "This novelist has been manufacturing his books following his initial success"

  • A person or company that makes goods for sale











Alan Williams Turret Allan-Williams Turret" at Bembridge Fort, Isle of Wight in 2011




Alan Williams Turret Allan-Williams Turret" at Bembridge Fort, Isle of Wight in 2011





Pillbox formed by a metal turret, which could be rotated through a full 360 degrees, set above a steel and brick-lined pit. It was designed for a machine gun to be fired either through the front loophole which was further protected by shutters, or through the circular opening in the roof in a light anti-aircraft role. According to the manufacturer, it was suitable for Vickers, Bren, Hotchkiss or Lewis machine guns in either a ground defence or anti-aircraft role, or a Boys anti-tank rifle or rifle grenade for ground defence. Weapon change requires selection of appropriate bracket. The army did not favour the design, most were installed at airfields.

The turret was designed by A.H. Williams in conjunction with Colonel V.T.R. Ford and Lieutent Williamson. Williams was the Managing Director of Rustproof Metal Windows Company in Saltney, Chester where the turrets were produced.
The company had been engaged in war work since 1939, mainly manufacturing ammunition boxes for the Admiralty using a patented galvanising process.

The turret had a garrison of two men or, if necessary three men, for whom there were folding seats inside.One man can rotate the cupola which is on roller bearings and requires 15 lb of force to move it.

According to the manufacturer, four men could dig the position out and erect the turret ready for firing in two hours and remove it completely removed in 30 minutes.[64] Cost about ?125.

Nearly 200 Allan Williams Turrets were made and installed, salvaging of the metal after the war means that today very are few












Haus Lange, Krefeld




Haus Lange, Krefeld





Built between 1928 and 1930 for the family of silk manufacturer Hermann Lange. Designed by Mies van der Rohe

These large windows were revolutionary for the time, certainly when combined with brick. They caused the structural engineer some problems in terms of cost. The bricks are supported with a steel angle which is visible if you look closely on site. The angle itself is strapped back up to a steel beam. And more complicated; concealed roller shutters slide down the outside of the windows from the same position.














roller shutter manufacturers







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