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Showing papers by "Nokia published in 1971"


Patent
R Valtonen1
19 Apr 1971
TL;DR: In this article, a U-shaped locking bracket is used to support the plates of a lowered ceiling comprising spaced current supply rails, and two separate L-shaped bars are locked detachably on opposite sides of the supply rail.
Abstract: A device for supporting the plates of a lowered ceiling comprising spaced current supply rails. The device comprises two separate L-shaped bars locked detachably on opposite sides of the supply rail and U-shaped locking brackets arranged in saddle like manner upon said support bars at spaced positions along said supply rail.

24 citations


Patent
Kauko Kalervo Hyrylainen1
01 Feb 1971
TL;DR: In this article, a connecting plug for a current supply rail is provided with contact fingers mounted in the plug pivotably around fixed shafts perpendicular to the conductors of the supply rail, and a separate rotable operating shaft extending in parallel with said pivot shafts of the contact fingers and actuating said contact fingers selectively between a contact position and an inoperative position upon rotation of the operating shaft.
Abstract: A connecting plug for a current supply rail, provided with contact fingers mounted in the plug pivotably around fixed shafts perpendicular to the conductors of the supply rail. The plug is further provided with a separate rotable operating shaft extending in parallel with said pivot shafts of the contact fingers and actuating said contact fingers selectively between a contact position and an inoperative position upon rotation of the operating shaft.

21 citations


Patent
A Riekkinen1
05 Mar 1971
TL;DR: In this paper, a transfer vehicle for transferring reels to and from a winding machine is described, which is provided with a vertically movable liftfork and a hydraulic cylinder moving said lift-fork.
Abstract: A transfer vehicle for transferring reels to and from a winding machine. The vehicle is provided with a vertically movable liftfork and a hydraulic cylinder moving said lift-fork. The hydraulic cylinder is connected to a pressure accumulator which stores the energy of a full reel moving the lift-fork downwards and causes the lift-fork supporting an empty reel to move upwards due to the stored energy.

8 citations


Journal ArticleDOI
A.J. Valkama1
TL;DR: The Autocook system simulates on-line the lignin dissolving reaction-and controls the charging of the digesters, production rate, product quality and steam consumption of thedigester house and practical results from working installations.

3 citations