Patent
Apparatus for forming a weakened zone in pavements
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TLDR
In this article, a slotted guide having an inclined leading edge 18a is drawn through the concrete to position a divider strip 37a therein, the guide having a transverse vibrator 32.Abstract:
1,092,179. Making joints in paving. GUNTERT & ZIMMERMAN CONST. DIV. Inc. April 20, 1965, No. 16581/65. Heading E1G. In apparatus for levelling and compacting freshly poured concrete, a slotted guide having an inclined leading edge 18a is drawn through the concrete to position a divider strip 37a therein, the guide having a transverse vibrator 32. The two side plates of the guide are spaced by packing strips to form the slot for the plastic strip 37a fed from a roll in a container 38 through felt wiper pads 47. The upwardly and forwardly sloping bottom edge 18a of the guide assists its passage through the concrete, the guide being resiliently mounted from the frame 21 of slip-form paving machine having a distributing car, a pan type screed member and following float pan and V-float.read more
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Intraocular lens system
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Sidewalk scribing tool
TL;DR: A tool for scribing lines in soft concrete in which the line can be impressed by a standing operator is described in this paper, where guides are provided on the tool to assure a proper angle of the scribed line.
Patent
Powered joint forming device for concrete or the like
Luther Tobias,David G. Bories +1 more
TL;DR: In this article, a powered jointer having a scoring undersurface for forming a stress joint in a wet concrete slab, followed by a reciprocating tamper foot which forms a stressed joint while moving rock out of the joint and a smoothing tip following the formation of the stress joint for smoothing out the same, all in a single pass.
References
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Patent
Road building machine
TL;DR: The present patent relates to road building machines and is a continuation in part of my prior similarly entitled application Serial No. 9114 filed March 2, 1935, which matured into Patent No. 2,190,562.
Patent
Road joint machine
TL;DR: In this paper, a road joint machine was proposed for improvements in road joint machines, which is a continuation in part of a copending application entitled Road building apparatus, filed December 19, 1929, Serial No. 415,318.
Patent
Method of and means for installing road joints
TL;DR: In this article, the authors describe a joint producing and installing method for concrete road machines, which is a continuation in part of application Serial No. 223,161, filed September 30, 1927.