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US3820216A Expired / Lapsed US ⏱️ 0.0 years remaining

Production lines for the manufacture of prefabricated buildings

Assignee: C Van der Lely NV
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Filing: 1972-09-28
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Granted: 1974-06-28
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Expires: 1992-09-28
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Abstract

Abstract A PRODUCTION LINE FOR THE MANUFACTURE OF PREFABRICATED BUILDING HAVING A MANUFACTURING LINE FOR THE CONSTRUCTION OF FLOOR, WALL AND CEILING ELEMENTS WHEREIN METAL FRAMES HAVE CONCRETE MOLDED IN PLACE BETWEEN THEM. THE MATERIALS FOR THE CONCRETE AND A CONCRETE MIXER ARE AT ONE END OF THE MANUFACTURING LINE AND A BUFFER STATION IS AT THE OTHER WHERE THE CONCRETE IS ALLOWED TO HARDEN AND THE COMPONENTS ARE CONNECTED TO FORM THE BUILDING SECTIONS. ADJACENT THE BUFFER STATION AND PERPENDICULAR TO THE MANUFACTURING LINE TO FORM A LSHAPED CONFIGURATION IS AN ASSEMBLY LINE ALONG WHICH TRAVEL SECTIONS WHICH ARE CONNECTED AS THEY WILL BE IN THE FINISHED BUILDING TO RECEIVE WALL AND FLOOR COVERINGS, DOORS, WINDOWS AND OTHER COMPONENTS OF THE FINISHED BUILDING. A GANTRY CRANE OVER THE MANUFACTURING LINE IS CAPABLE OF TRAVELING ABOVE THE INITIAL PART OF THE ASSEMBLY LINE FOR TRANSPORTING SECTIONS THEREON TO ABOVE THE CONCRETE MIXER. A FURTHER LINE WITH A FURTHER CRANE FOR MANUFACTURING THE WALL, FLOOR AND CEILING FRAMES IS PERPENDICULAR TO THE MANUFACTURING LINE AND OPPOSITE AND PARALLEL TO THE ASSEMBLY LINE, AND IT ALSO HAS A GANTRY CRANE CARRIED ON PARALLEL TRACKS SO THAT IT CAN TRAVEL OVER THE FURTHER LINE. OFFICE AND STORAGE FACILITIES ARE LOCATED BETWEEN THE ASSEMBLY LINE AND FURTHER LINE. STORAGE FOR THE MATERIALS FOR THE CONCRETE IS LOCATED NEAR THE CONCRETE MIXER AND A WALL OF THE BUILDING HOUSING THE PRODUCTION LINE.

Inventors

  • 👤 Der Lely C Van
  • 👤 H Nieuwenhoven

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:46
CPC Classifications
B; B28; B28B; B28B15/00; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/534; Y10T29/53409; Y10T29/53413

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-06-27 1977-12-27 1978-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-06-27 1981-12-27 1982-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-06-27 1985-12-27 1986-06-28 $7700.00 Window Closed / Lapsed

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