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Primary Examiner: Lesmes, George F.
Assistant Examiner: Buffalow, E. Rollins
Attorney: Craig & Antonelli

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Title: Protective layer for surface seals in building construction, underground construction, and civil engineering construction

Abstract: A protective covering for the protection of surface seals against mechanical damage in building constructions and other civil engineering constructions which comprises a composite of an elastic, waterproof thermoplastic synthetic resin film sheet and/or synthetic resin layer and a lattice-like fabric having knot couplings or points of intersection of the threads that yield under the effect of a load.


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Inventors: Haage, Karl (Troisdorf-Spich, DE, US)
Scharff, Dieter (Troisdorf-Sieglar, DE, US)

Application Number: 818232
Filing Date: 1977-07-22
Publication_date: 1980-12-16
Assignee: Dynamit Nobel Aktiengesellschaft (DE)
Primary Class(es): 428/60 52/408, 52/741.4, 52/746.1, 156/278, 156/300, 156/322, 428/58, 428/319.7
Other Classes:
US Patent Ref:
2460309Feb, 1949Rapp52/612.
3381718May, 1968Darrow138/141.
3619314Nov, 1971Ecureux156/71.
3660200May, 1972Anderson et al.156/322.
3733239May, 1973George428/247.
3736202May, 1973Sorenson156/322.
3928696Dec, 1975Wandel et al.428/255.
3992842Nov, 1976Haage et al.428/285.
4113907Sep, 1978Haage et al.428/193.

Other Refs: 12640201484012165930072417391410586203223922064211195744119638412125081219501126689912669001314541
Mar, 1968DE.
Dec, 1968DE.
Jan, 1971DE.
Nov, 1972DE.
Oct, 1964FR.
Nov, 1970FR.
Jul, 1974FR.
Jun, 1970GB.
Jun, 1970GB.
Nov, 1970GB.
Jan, 1971GB.
Mar, 1972GB.
Mar, 1972GB.
Apr, 1973GB.
Other References: "Polyvinyl", Modern Plastics Encyclopedia, 1973-1974, vol. 50, No. 10A, pp. 107 et seq.