US1839286A - Form construction for concrete curbs - Google Patents

Form construction for concrete curbs Download PDF

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Publication number
US1839286A
US1839286A US354755A US35475529A US1839286A US 1839286 A US1839286 A US 1839286A US 354755 A US354755 A US 354755A US 35475529 A US35475529 A US 35475529A US 1839286 A US1839286 A US 1839286A
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Prior art keywords
rails
plate
construction
splice
adjacent
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Expired - Lifetime
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US354755A
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Anthony S Wolf
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Blaw Knox Co
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Blaw Knox Co
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Priority to US354755A priority Critical patent/US1839286A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/50Removable forms or shutterings for road-building purposes; Devices or arrangements for forming individual paving elements, e.g. kerbs, in situ
    • E01C19/502Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes
    • E01C19/506Removable forms or shutterings, e.g. side forms; Removable supporting or anchoring means therefor, e.g. stakes for kerbs, gutters or similar structures, e.g. raised portions, median barriers

Description

Jan. 5, 1932; A. s. WOLF I 1,839,286
FORM CONSTRUCTION FbR CONCRETE CURBS Filed April 15, 1929 Patented Jan. 5, 1932 T T E S tsazse ANTHONY s. WOLF, or PITTSBURGH, rnNNsYLvaNrA, 'AssreNoa '10 rpAw-KNox 1 COMPANY, or rr'rrsnuacrn, rENNsYLvANImAconronATxo orNnw- JERSEY l romvr CONSTRUCTION For. ooN'oanrs cones Application filed April 13,
This invention relates to form construction for casting concrete curbs and the like, and has particular reference to a dividing plate for use between the ends of adjacent rails which is adapted to hold the'opposing rails in properly spaced relation and prevent the rails or forms from spreading when the concrete is poured.
My improvement contemplates the provision of a dividing plate of the character specified which will hold the rails in true alignment, both at the top and at the bottom. I also provide a dividing plate to which can be secured supplementary rails, such as are often required in the building of a curb.
Still another object of the invention is to provide a division plate of the character specified which will have interlocking engagement with the customary splice plates used at adjacent rail ends, .so that the opposing rails, as well as the dividing plate, are all properly interlocked when the splice plates are slid into position.
The accompanying drawings illustrate a preferred form of the invention, Fig. 1 being a side elevation of the adjacent ends of a pair of main rails, together with supplementary rails at the top, and illustrating the manner in which all of the parts are connected together by my improved division plate.
Fig. 2 is a section on the line 2-2 of Fig. 1, and r Fig. 3 is a perspective view of my improved division plate.
By referring to the drawings, it will be seen that I have illustrated a pair of inside main rails .land 5, opposite which are the outside main rails 6 and 7. These are flanged in the manner now customary in the art, as clearly shown in Fig. 2 of the drawings, and lying along the top flange of the inside rails 4 and 5 is a pair of supplementary rails 8 and 9.
The main rails 4:, 5, 6 and 7 are held in position in'the customary manner by means of the ground stakes 10 which are embraced by the yokes 11 on the backs of the forms, the parts being held in placeby the customary wedges 12.
1929;Serial No. 354,755. v
'One end of each main 'railcarries a suitable splice plate 13 andthe otherend a pair of upwardly and downwardly projecting re:
taining or looking plates 14, behind which thefslidable splice plate of an adjacent rail is adapted to fit when the rails are set up in positionto form a curb. The splice plates 13 have vertical end flanges15 which serve to retain them upon the rail to which they are attached by virtue of their interengagement with the retaining, strips 16. The construction of the splice plates issubst-antiallythe same, both for the railst and 5 and the rails 6 and 7, the onlydiiference being in the matter of size. Asfiswell understood in thisart, after the rails are set up in po.sition, the splice plates are slid across the jointrbetween the rails so as to hold thera-ils in'proper alignment.
My improved dividing plate 17 fits between the adjacent ends of the opposing rails 5 and 6'?, and it is provided on each side with upper and lower splice plate engaging grooves or recesses 18, so that when the splice plates 13 are shoved into position, they will firmly interlock with the grooves 18. This will serve not only to holdthe division plates in proper position, but also to prevent the opposing rail ends from moving outwardly under the weight of the concrete. It should be noted that my improved division plate will retain the bottoms of the rails in properly spaced position, as well as the tops, a feature which is of particular importance, especially at the ends of the rails.
I provide my improved division plate with a supplementary rail, attaching portion 19 which'is provided with a bolt receiving aperture 29. The ends of the supplementary rails carry small angles 21 having apertures in alignment with the aperture 20. By passing a slotted bolt 22-through the aligned apertures, the supplementary rails may be securely held in position, the parts being tightly held by the use of a wedge 23.
I also provide my improved dividing plate with an upwardly extending projection 24 which reaches above the tops of the rails, and in this upwardly projecting portion I provide suitable removal-tool engaging holes or apertures 25. By inserting a tool in the holes 25 it is easy to Withdraw the division plate 17 after the curb has been formed and the splice plates 13 retracted from their holding position.
I claim 1. In form construction for concrete curbs, the combination of adjacent rails, a division plate, and a slidable splice plate having interlocking engagement means adapted to secure the division plate in position at the rail end.
2. The combination of a pair of rail ends, a division plate, and a slidable splice plate all of which are formed to interlock so as to be held in proper position upon locking movement of the splice plate.
3. The combination of opposed rail ends, av division plate having splice plate engaging grooves, and slidable splice plates on the rails, all of said parts being interlocked by moving the splice plates across the ends of the rails.
a. In form construction for concrete curbs, the combination of adjacent inner rails, adjacent outer rails opposite the inner rails, a transverse dividing plate between the ends of said rails, and splice plates for adjacent rails adapted to slide into position across the ends thereof, said dividing plate and said splice plates being constructed to interfit so as to hold the opposing rails in proper position.
In testimony whereof I have hereunto signed my name.
ANTHONY S. WOLF.
US354755A 1929-04-13 1929-04-13 Form construction for concrete curbs Expired - Lifetime US1839286A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793416A (en) * 1954-07-06 1957-05-28 New Cumberland Metal Products Road form
US2843911A (en) * 1955-04-15 1958-07-22 Cons Iron Steel Mfg Company Road forms
US2845683A (en) * 1954-08-03 1958-08-05 Burnell E Winegar Structural form
US2907089A (en) * 1955-06-23 1959-10-06 Mccaffrey John Francis Road form
US6311453B1 (en) * 2000-02-08 2001-11-06 Theodore Mechnick Form pin clip
US20100252714A1 (en) * 2009-03-19 2010-10-07 HENDRICKS Robert Flexible, multi-configuration concrete form system
US10145131B2 (en) 2009-03-19 2018-12-04 Dinesol Plastics Inc. Flexible, multi-configuration concrete form system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793416A (en) * 1954-07-06 1957-05-28 New Cumberland Metal Products Road form
US2845683A (en) * 1954-08-03 1958-08-05 Burnell E Winegar Structural form
US2843911A (en) * 1955-04-15 1958-07-22 Cons Iron Steel Mfg Company Road forms
US2907089A (en) * 1955-06-23 1959-10-06 Mccaffrey John Francis Road form
US6311453B1 (en) * 2000-02-08 2001-11-06 Theodore Mechnick Form pin clip
US20100252714A1 (en) * 2009-03-19 2010-10-07 HENDRICKS Robert Flexible, multi-configuration concrete form system
US8919726B2 (en) 2009-03-19 2014-12-30 Dinesol Plastic, Inc. Flexible, multi-piece, multi-configuration concrete form system
US9470004B2 (en) 2009-03-19 2016-10-18 Dinesol Plastics, Inc. Flexible, multi-configuration concrete form system
US10145131B2 (en) 2009-03-19 2018-12-04 Dinesol Plastics Inc. Flexible, multi-configuration concrete form system

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