239000000789 fastener Substances 0.000 abstract description 12.239000003365 glass fiber Substances 0.000 claims description 46.

238000005304 joining Methods 0.000 claims abstract description 50.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Tully Daniel F filed Critical Tully Daniel F Priority to US05/456,522 priority Critical patent/US3958375A/en Application granted granted Critical Publication of US3958375A publication Critical patent/US3958375A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Tully Original Assignee Tully Daniel F Priority date (The priority date is an assumption and is not a legal conclusion.

Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/456,522 Inventor Daniel F. Google Patents Prefabricated hyperbolic paraboloid roofĭownload PDF Info Publication number US3958375A US3958375A US05/456,522 US45652274A US3958375A US 3958375 A US3958375 A US 3958375A US 45652274 A US45652274 A US 45652274A US 3958375 A US3958375 A US 3958375A Authority US United States Prior art keywords beams combination roof shell roof joining Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US3958375A - Prefabricated hyperbolic paraboloid roof US3958375A - Prefabricated hyperbolic paraboloid roof

Hyperbolic paraboloid roof