Multi-segment mirror - assembled with specified bonded intermediate strips of same coefficient of expansion

When the main mirror (1) of a reflecting telescope consists of four segments (1a-d) which are bonded together, the intermediate pieces (2) have the same coefficient of expansion as the segments. The sides of the segments leave a small gap relative to both sides of the intermediate strips and these g...

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Bibliographische Detailangaben
Hauptverfasser:	KNOHL, ERNST-DIETER, 7923 KOENIGSBRONN, DE, HEYNACHER, ERICH., 7920 HEIDENHEIM, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	When the main mirror (1) of a reflecting telescope consists of four segments (1a-d) which are bonded together, the intermediate pieces (2) have the same coefficient of expansion as the segments. The sides of the segments leave a small gap relative to both sides of the intermediate strips and these gaps are interconnected by passages so that the adhesive becomes evenly distributed on both sides. ADVANTAGE - This results in a firm connection over large areas with a high rigidity and leaving minimum thermal stresses.