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| Lock for mobile storage apparatus |
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| Universal support bracket for ventilated shelving |
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| Expansion joint |
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Method and apparatus for construction of grain bins
| Details |
Inventors: Welch, Herbert T.;
Assignee: Welch; John P. (Alberta, CA)
Primary Examiner: Scherbel; David A.
Assistant Examiner: Mai; Lan
Attorney, Agent or Firm: Irell & Manella
A circular base form is constructed from curved lengths of corugated steel bolted together and has apertured vertical brackets secured to the inside of the base form at spaced intervals around the inside of the form. Vertical anchor pins slide within the apertures of the brackets and are driven into the ground once the circular base form is positioned correctly. The upper edge of the base form is outwardly flanged horizontally and is successively leveled by transit or the like. As the sections are leveled, they are secured to the ground engaged anchor pins by ring bolts or the like until the entire form is leveled. Gravel and concrete is then poured into the form, preferably with reinforcing bars, mesh or the like and leveled flush with the top flange by means of screeding. When set, the lowermost wall section, the roof and then succeeding sections of the bin are assembled on the top flange of the base and are raised when each section is completed be means of a crane, hoist or the like. The lowermost wall section of the bin is provided with an out-turned horizontal base flange which engages upon caulking placed on the base wall flange and then the two flanges are bolted together thus completing the bin. |
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DETAILED DESCRIPTION Proceeding therefore to describe the invention in detail, reference should first be made to FIG.
1 which shows a grain bin collectively designated 10 including a roof assembly 11, vertical wall sections 12, 12A, 12B and 12C mounted upon a base wall section collectively designated 13.
The wall sections and the base section are preferably made from horizontally corrugated steel segments one of which is shown in the upper wall section 12 and identified by reference character 14.
These segments are bolted together in overlapping vertical relationship and secured by mean of bolts or rivets indicated by reference character 15.
Adjacent wall sections 12, 12A, etc.
are in turn bolted circumferentially in downwardly extending overlapping relationship as shown in FIG.
7 and are secured together by a ring of horizontal bolts, rivets or the like 15A.
The base wall section or form 13 is also formed from curved segments of horizontally corrugated metal specifically identified by reference character 16 and these are formed with an upper out-turned horizontal annular flange 17 preferably formed integrally with the vertical section 16 as illustrated in FIGS.
4 and 8.
However, if desired, this horizontal annular flange 17 may take the form of a right angled member 18 shown in FIG.
9 which includes a vertical portion 19 and a horizontal portion 20.
The vertical portion is bolted or otherwise secured adjacent the upper edge 21 of the corrugated wall 16A by means of bolts or rivets 22 with the horizontal flange 20 extending outwardly as shown and corresponding to the horizontal flange 17, which is the preferred construction, and which is shown in FIGS.
4 and 8 The individual segments of the base wall section or form are joined together to form a circle with the ends overlapping and being secured together by bolts, rivets or the like 23 as shown in FIG.
6 with the horizontal flanges 17 also overlapping at these points of connection.
Once the ring is formed, it must be positioned upon the ground and formed into a relatively perfect circle prior to the pouring of concrete
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