Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-06-27
2006-06-27
Friedman, Carl D. (Department: 3635)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C052S309700, C052S309110, C052S309120, C052S309170, C052S405300, C052S406100, C052S407500, C052S410000, C052S446000, C052S454000
Reexamination Certificate
active
07067588
ABSTRACT:
Building element having two parallel welded wire grid mats (1, 2), of straight web wires (7) which hold the wire grid mats at a predetermined distance apart and are joined at each end to the two wire grid mats. An insulating body (8) is arranged between the wire grid mats, through which the web wires pass. At least one of the wire grid mats is in the form of a grid reinforcement mat which possesses a minimum strength of the weld nodes which complies with the static requirements applicable to the building element, corresponding mechanical strength of the grid mat wires (3, 4) and also corresponding diameters and mutual spacings of the grid mat wires. The web wires are arranged in predetermined directions relative to the wire grid mats, and the insulating body is held at a predetermined distance from each of the wire grid mats.
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Ritter Gerhard
Ritter Klaus
Cohen & Pontani, Lieberman & Pavane
EVG Entwicklungs -u. Verwertungs-Gesellschaft m.b.H.
Friedman Carl D.
Horton Yvonne M.
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