Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including product handling means
Patent
1989-11-09
1991-08-20
Housel, James C.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including product handling means
249 60, 249175, 249176, 425394, 425396, B29C 3342
Patent
active
050409662
ABSTRACT:
A mold die includes a hexagonal base having six sides and six vertices disposed around an axis, and a tetrahedron having an apex aligned with the axis of the base. The base is integrated with the tetrahedron to form three congruent parallelogram walls, one vertex of each parallelogram wall being coincident with the apex of the tetrahedron, the other three vertices of each parallelogram wall being aligned with respective vertices of the base. The die further includes slots extending into the parallelogram walls parallel to the axis of the base. The die forms a tetrahexagonal walled cavity of a truss structure corresponding to the shape of the die, whereas the slots form perpendicular walls which structurally interconnect the apices of adjacent cavities and increase the rigidity of the truss structure.
REFERENCES:
patent: 2481046 (1949-09-01), Scurlock
patent: 2682235 (1954-06-01), Fuller
patent: 2780946 (1957-02-01), McGuire
patent: 3058550 (1962-10-01), Richter
patent: 3209507 (1965-10-01), Dresser
patent: 3254459 (1966-06-01), Bodley
patent: 3290421 (1966-12-01), Miller, Jr.
patent: 3354591 (1967-11-01), Fuller
patent: 3415027 (1968-12-01), Snyder
patent: 3417959 (1968-12-01), Schultz
patent: 3443281 (1969-05-01), Walby
patent: 3642566 (1972-02-01), Figge
patent: 3645833 (1972-02-01), Figge
patent: 3695573 (1972-10-01), Huffaker et al.
patent: 3842768 (1974-10-01), Maistre
patent: 3849237 (1974-11-01), Zetlin
patent: 3906571 (1975-09-01), Zetlin
patent: 3914486 (1975-10-01), Borgford
patent: 4180232 (1979-12-01), Hardigg
patent: 4235410 (1980-11-01), Nelson
Space Grid Structures, John Borrego, MIT, 1968, pp. 60, 70 & 71.
Housel James C.
Tetrahex, Inc.
LandOfFree
Die for making a tetrahexagonal truss structure does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Die for making a tetrahexagonal truss structure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Die for making a tetrahexagonal truss structure will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1004705