US2287844A - Rubber covered paving block - Google Patents
Rubber covered paving block Download PDFInfo
- Publication number
- US2287844A US2287844A US248598A US24859838A US2287844A US 2287844 A US2287844 A US 2287844A US 248598 A US248598 A US 248598A US 24859838 A US24859838 A US 24859838A US 2287844 A US2287844 A US 2287844A
- Authority
- US
- United States
- Prior art keywords
- block
- paving
- rubber
- covering
- rubber covered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/22—Pavings made of prefabricated single units made of units composed of a mixture of materials covered by two or more of groups E01C5/008, E01C5/02 - E01C5/20 except embedded reinforcing materials
- E01C5/226—Pavings made of prefabricated single units made of units composed of a mixture of materials covered by two or more of groups E01C5/008, E01C5/02 - E01C5/20 except embedded reinforcing materials having an upper layer of rubber, with or without inserts of other materials; with rubber inserts
Definitions
- the present invention has for object improvements in paving-blocks the rolling surface of which is provided with a rubber covering.
- the rubber covering essentially comprises on its lower face a series of projections or ribs the cross section of which is of downwardly enlarged shape, similar to that of the head of railway rails, these ribs being adapted to ensure the securing in position of the covering by being simply embedded into corresponding recesses provided in the rigid body of the paving-block.
- the latter is preferably constituted by a block made of concrete and the embedding of the ribs of the covering is preferably effected when moulding said block.
- Figs. 1 and 2 are elevations of the finished paving-block, with parts broken away.
- Fig. 3 is a vertical section showing the method for manufacturing said paving-block.
- the covering is constituted by three rubber strips l having a profile similar to that of a double-headed rail, the outer head a being wider than the head or heel b and having sharp edges which are juxtaposed when the paving-block is terminated.
- the concrete is then introduced in the mould and it is immediately vibrated so as to ensure the perfect filling up of the spaces e and to render the mass of concrete very compact.
- This mass can be constituted for instance by cement concrete of high resistance, with a gauging of 40%) to 600 kgs. per mo.
- the rubber it will preferably be rather flexible.
- the covering thus constituted and embedded in the paving-block is firmly held in position without sticking and without the intervention of any securing means other than embedding.
- the rubber will therefore freely Work in the recesses of the rigid block when it is subjected to the stresses produced by the wheels of vehicles, the pressures and shocks of articles, animals, etc. coming in contact with the paving-blocks.
- the invention is moreover, not limited to the embodiment illustrated nor to the manufacture of paving-blocks proper; it includes under the name of paving-blocks, strong blocks of all shapes and dimensions, for instance, more or less long slabs, used for paving or covering roads, steps of stair-cases, kerbs of pavements, etc.
- the rubber strips can be joined to each other by their edges 0. Their surfaces can be plain, or striated, or otherwise rendered anti-skidding.
- the reinforcement 4 instead of being constituted by simple steel wires, can have any profile and cross section.
- the recesses or grooves of the block can be reinforced or protected by metal blades conforming to their profile.
- the profile of the strips I can vary provided it can be firmly embedded in the grooves of corresponding shape provided in the rigid block.
- a paving-block comprising a block of rigid material in one face of which are provided grooves having a bulged profile, the cross section of which first narrows towards said face and then joins with said face by a flared portion having rounded edges with smooth walls, and a rubber covering, the cross section of which shows two bulged parts joined by a narrow median part, one of said bulged parts forming a rib adapted to exactly fit in said groove and against its rounded and smooth edges, the other bulged part of said covering forming a head of fiat cross section, wider than said groove and intended to rest on the edges of said groove and on the face of the block whereby relative movement between the rubber and rigid material is rendered possible.
- a paving-block comprising a block of rigid 1 material in one face of which are provided a plurality of parallel grooves having a bulged profile, the cross section of which narrows towards said face and is united to said face by rounded the cross section of which shows an upper bulged portion and a lower bulged portion united by a narrowed median portion having rounded and smooth contours, longitudinal reinforcing metallic rods embedded in said ribs of rigid material, undulated transverse metallic rods, substantially at right angles to said longitudinal metallic rods, the upper bends of said transverse rods forming loops for surrounding and spacing the longitudinal rods embedded in the ribs of rigid material, from each other, the lower bends of said undulated rods being arranged in contact with the lower bulged portion of said elements.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR831982T | 1938-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2287844A true US2287844A (en) | 1942-06-30 |
Family
ID=9295066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US248598A Expired - Lifetime US2287844A (en) | 1938-01-12 | 1938-12-30 | Rubber covered paving block |
Country Status (5)
Country | Link |
---|---|
US (1) | US2287844A (fr) |
BE (1) | BE431756A (fr) |
CH (1) | CH208314A (fr) |
FR (1) | FR831982A (fr) |
GB (1) | GB510663A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3832078A (en) * | 1972-08-18 | 1974-08-27 | Japan Non Slip Pavement Co Inc | Method and apparatus of manufacturing non-slip pavement blocks and product thereof |
US4093120A (en) * | 1977-01-24 | 1978-06-06 | Park Rubber Company | Railroad crossing structure |
US4302125A (en) * | 1978-12-05 | 1981-11-24 | Cullen Jr Brown | Ground area marker, especially for a golf course |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003232004A (ja) * | 2002-02-07 | 2003-08-19 | Masao Inuzuka | 表層片を付着したブロック |
-
1938
- 1938-01-12 FR FR831982D patent/FR831982A/fr not_active Expired
- 1938-12-15 CH CH208314D patent/CH208314A/fr unknown
- 1938-12-20 BE BE431756D patent/BE431756A/fr unknown
- 1938-12-22 GB GB37335/38A patent/GB510663A/en not_active Expired
- 1938-12-30 US US248598A patent/US2287844A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3832078A (en) * | 1972-08-18 | 1974-08-27 | Japan Non Slip Pavement Co Inc | Method and apparatus of manufacturing non-slip pavement blocks and product thereof |
US4093120A (en) * | 1977-01-24 | 1978-06-06 | Park Rubber Company | Railroad crossing structure |
US4302125A (en) * | 1978-12-05 | 1981-11-24 | Cullen Jr Brown | Ground area marker, especially for a golf course |
Also Published As
Publication number | Publication date |
---|---|
CH208314A (fr) | 1940-01-31 |
FR831982A (fr) | 1938-09-16 |
GB510663A (en) | 1939-08-04 |
BE431756A (fr) | 1939-01-31 |
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