Flat soffit, doubly prestressed, composite, roof-ceiling...

Static structures (e.g. – buildings) – With component having discrete prestressing means – Specific prestressing means

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C052S223800, C052S640000, C052S749100

Reexamination Certificate

active

06966159

ABSTRACT:
A prestressed, roof-ceiling construction with flat-soffit for constructing an industrial large-span building with a bearing plane-space by assembling pre-fabricated elements. A problem of constructing flat-soffit, finished ceilings in large-span buildings is solved whereby besides an aesthetic ceiling look, the heating volume is reduced, ventilation is ensured and an isolated loft space is provided through which all kinds of installations can be guided. The construction includes a wide and thin concrete plate with a two-part upper, steel construction, interconnected by vertical elements. The construction is twice prestressed by two independent methods. The soffit concrete plate is prestressed centrally in the mould and after the plate concrete is hardened, the upper steel construction is prestressed by pushing apart, at the midspan, the steel separated halves which are then connected. Prestressing of the soffit plate is applied to eliminate or reduce cracks in its concrete while prestressing of the upper construction by pushing apart the steel separated halves is used to control the deflections.

REFERENCES:
patent: 2626688 (1953-01-01), Lagaard
patent: 3260024 (1966-07-01), Greulich
patent: 3385015 (1968-05-01), Hadley
patent: 3398498 (1968-08-01), Krauss
patent: 3835607 (1974-09-01), Raaber
patent: 5299445 (1994-04-01), Yee
patent: 5305572 (1994-04-01), Yee
patent: 5852905 (1998-12-01), Collina et al.
patent: 5867954 (1999-02-01), Lin
patent: 6058666 (2000-05-01), Lin
patent: 6332301 (2001-12-01), Goldzak
patent: 2003/0182883 (2003-10-01), Won
patent: 1 659 218 (1971-01-01), None
patent: 2 238 824 (1975-02-01), None
patent: 2 600 358 (1987-12-01), None
patent: 1 228 598 (1971-04-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Flat soffit, doubly prestressed, composite, roof-ceiling... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Flat soffit, doubly prestressed, composite, roof-ceiling..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flat soffit, doubly prestressed, composite, roof-ceiling... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3507352

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.