COMBINED ISOMETRIC LATTICE STRUCTURE FOR PARABOLOID

摘要

PROBLEM TO BE SOLVED: To reduce the weight, increase the rigidity, and obtain a high dimensional stability by consisting a structure of first and second structures approximately formed into a paraboloid and forming the second structure into a first triangle isometric lattice pattern and arranging the second structure adjacently to the first structure. SOLUTION: A paraboloidal isometric lattice reflector 40 consists of a film front face sheet 20 approximately formed into a paraboloid, plural erect integrated ribs 22 which form an isometric lattice structure, and a film rear face sheet 24 which is selectively provided with a flange. The film front face sheet 20 approximately formed into a paraboloid constitutes the front face the paraboloidal reflector to give the structure where a reinforcing isometric structure is integrated. Plural erect integrated ribs 22 are mutually connected and are coupled to the film front face sheet 20 so as to form the isometric lattice structure and are referred to as a lattice. The lattice is an integrated rigid waffle having a triangular pattern of about 60 deg..