US4050206A — Expansion jointing material for placing concrete,…

Claim 1

Independent Claim 305 words

A joint forming and sealing assembly adapted to be laid in place on a surface prior to forming a slab of concrete or mortar, comprising: an elongated elastic compressible jointing member having substantially the shape of a board and having upper and lower edges and opposite sides; a plurality of support assemblies located at selected longitudinally spaced-apart positions along said jointing member, each support assembly comprising an upper portion of inverted substantially U-shape cross section and a pair of support legs extending downwardly from said upper portion and diverging with respect to each other, the lower ends of said support legs being adapted to rest on said surface and being adjustable toward and away from each other to adjust the height of said upper portion, the upper portion of said jointing member being snugly received within and substantially filling said upper portion of said support assembly and being compressed thereby, said support legs diverging away from the opposite sides of said jointing member in a direction toward the lower edge thereof; and an elongated cover member extending along the entire length of said jointing member and comprising a clamping section and an elastic reference section, said clamping section comprising a pair of downwardly extending legs snugly sleeved on the exterior of said upper portions of said support assemblies and extending downwardly therealong substantially to the positions at which said support legs begin to diverge, said legs of said clamping section also snugly contacting the opposite sides of said jointing member in the zones between the support assemblies, said reference section projecting upwardly from said clamping section and defining at its upper end a pair of longitudinally extending reference surfaces for use in smoothing the surface of the concrete or mortar, said support assemblies and said cover member having interengaging means for releasably coupling same together.

Claim 2

Dependent Claim 305 words

A joint forming and sealing assembly adapted to be laid in place on a surface prior to forming a slab of concrete or mortar, comprising: an elongated elastic compressible jointing member having substantially the shape of a board and having upper and lower edges and opposite sides; a plurality of support assemblies located at selected longitudinally spaced-apart positions along said jointing member, each support assembly comprising an upper portion of inverted substantially U-shape cross section and a pair of support legs extending downwardly from said upper portion and diverging with respect to each other, the lower ends of said support legs being adapted to rest on said surface and being adjustable toward and away from each other to adjust the height of said upper portion, the upper portion of said jointing member being snugly received within and substantially filling said upper portion of said support assembly and being compressed thereby, said support legs diverging away from the opposite sides of said jointing member in a direction toward the lower edge thereof; and an elongated cover member extending along the entire length of said jointing member and comprising a clamping section and an elastic reference section, said clamping section comprising a pair of downwardly extending legs snugly sleeved on the exterior of said upper portions of said support assemblies and extending downwardly therealong substantially to the positions at which said support legs begin to diverge, said legs of said clamping section also snugly contacting the opposite sides of said jointing member in the zones between the support assemblies, said reference section projecting upwardly from said clamping section and defining at its upper end a pair of longitudinally extending reference surfaces for use in smoothing the surface of the concrete or mortar, said support assemblies and said cover member having interengaging means for releasably coupling same together.

Claim 3

Dependent Claim 22 words

An assembly according to claim 1, wherein said legs of said cover member are corrugated on the interior and exterior surfaces thereof.

Claim 4

Dependent Claim 64 words

An assembly according to claim 1, wherein said cover member is of inverted substantially U-shape cross section, said reference surfaces are upwardly extending projections on the edges of the base wall of said cover member and extend the entire length of said cover member, and the central portion of said base wall between said reference surfaces has the cross-sectional shape of a shallow V.

Claim 5

Dependent Claim 88 words

An assembly according to claim 1 in which said cover member is of one-piece construction, said clamping section being of inverted substantially U-shape cross section and said reference section being of upright substantially T-shape cross section, said reference surfaces being defined by upwardly extending projections located at the ends of the crossbar of the T, said reference section having side portions extending downwardly from the ends of the crossbar of the T to positions located close to but spaced upwardly from the upper surface of said clamping section.

Claim 6

Dependent Claim 57 words

An assembly according to claim 1, wherein said clamping section and said elastic reference section of said cover member are separable parts, said elastic reference section is slidably, detachably and replaceably fitted on said clamping section, and said clamping section and said elastic reference section are coupled with each other by interfitting male and female connecting structures.

Claim 7

Dependent Claim 107 words

An assembly according to claim 5, wherein said clamping section has an upper wall of inverted substantially W-shape cross section and a pair of spaced-apart opposed holding walls projecting upwardly from said upper wall over the entire length thereof, the upper end of each of said holding walls being bent inwardly to define a slot whereby said holding walls define a female connecting structure, and said reference section includes male connecting structure formed on the lower portion of said reference section over the entire length thereof, said male connecting structure projecting through said slot and having a portion of arrowhead cross-sectional shape received between said holding walls.

Claim 8

Dependent Claim 96 words

An assembly according to claim 5, wherein said clamping section has male connecting structure projecting from the upper surface of said clamping section over the entire length thereof and having a portion of arrowhead cross-sectional shape,, and said elastic reference section comprises female connecting structure including a chamber defined in said elastic reference section and having a slot in the lower wall of said chamber over the entire length thereof through which said male connecting structure projects, said lower wall having a shape corresponding to the cross-sectional shape of the upper wall of said clamping section.

Claim 9

Dependent Claim 126 words

An assembly according to claim 5, wherein said clamping section has an upper wall of wide V cross-sectional shape and a pair of opposed holding walls projecting upwardly from the sides of said V-shape over the entire length thereof, with the upper ends of said holding walls being located downwardly with respect to the outer edges of said V-shaped wall, the upper end of each of said holding walls being bent inwardly to define a slot, and said elastic reference section comprises a closed chamber therein and male connecting structure formed on the lower wall of said chamber and extending along the entire length thereof, said male connecting structure projecting through said slot and having a portion of arrowhead cross-sectional shape received between said holding walls.

Claim 10

Dependent Claim 79 words

An assembly according to claim 1, wherein the upper portion of said support assembly includes a projection on each side thereof formed by partially cutting and bending outwardly a part thereof, each side of said clamping section of said cover member having an inwardly extending protrusion extending the entire length thereof, said support assembly being mounted between said jointing member and said cover member in such a manner that said projections interfit with said protrusions of said clamping section.

Claim 11

Dependent Claim 36 words

An assembly according to claim 9, wherein said projections are fitted in and received by a pair of grooves provided on the sides of said clamping section of said cover member over the longitudinal dimension thereof.

Claim 12

Dependent Claim 268 words

A joint forming and sealing assembly adapted to be laid in place on a surface prior to forming a slab of concrete or mortar thereon, comprising: an elongated elastic jointing member having substantially the shape of a board and having upper and lower edges and opposite sides; an elongated cover member of inverted substantially U-shape cross section and being sleeved on the upper end of said jointing member, said cover member having a pair of generally parallel, depending legs respectively extending downwardly along the sides of said jointing member from said upper edge partway to said bottom edge, said legs having means defining a series of vertically spaced apart outwardly extending projections on the outer surface thereof capable of extending into the concrete or mortar, said cover member having a pair of intermediate portions extending upwardly and outwardly from the upper ends of said legs with said intermediate portions being disposed above the upper edge of said jointing member, said cover member having a pair of upper portions extending upwardly from the outer ends of said intermediate portions, said upper portions having generally planar upper surfaces defining reference surfaces for use in smoothing the surface of the concrete or mortar; said cover member having a top wall of inverted shallow V-shaped cross section with the apex of said V substantially contacting the upper edge of said jointing member between the sides thereof with the remainder of said top wall being spaced vertically upwardly from said upper edge and said intermediate portions to provide clearances therebetween, the outer edges of said top wall being joined to said upper portions.

Claim 13

Dependent Claim 268 words

A joint forming and sealing assembly adapted to be laid in place on a surface prior to forming a slab of concrete or mortar thereon, comprising: an elongated elastic jointing member having substantially the shape of a board and having upper and lower edges and opposite sides; an elongated cover member of inverted substantially U-shape cross section and being sleeved on the upper end of said jointing member, said cover member having a pair of generally parallel, depending legs respectively extending downwardly along the sides of said jointing member from said upper edge partway to said bottom edge, said legs having means defining a series of vertically spaced apart outwardly extending projections on the outer surface thereof capable of extending into the concrete or mortar, said cover member having a pair of intermediate portions extending upwardly and outwardly from the upper ends of said legs with said intermediate portions being disposed above the upper edge of said jointing member, said cover member having a pair of upper portions extending upwardly from the outer ends of said intermediate portions, said upper portions having generally planar upper surfaces defining reference surfaces for use in smoothing the surface of the concrete or mortar; said cover member having a top wall of inverted shallow V-shaped cross section with the apex of said V substantially contacting the upper edge of said jointing member between the sides thereof with the remainder of said top wall being spaced vertically upwardly from said upper edge and said intermediate portions to provide clearances therebetween, the outer edges of said top wall being joined to said upper portions.

Claim 14

Dependent Claim 198 words

A joint forming and sealing assembly adapted to be laid in place on a surface prior to forming a slab of concrete or mortar thereon, comprising: an elongated elastic jointing member having substantially the shape of a board and having upper and lower edges and opposite sides; a one-piece elongated cover member comprising a clamping section and an elastic reference section, said clamping section being of inverted substantially U-shape cross section and being sleeved on the upper end of said jointing member, said clamping section having a pair of generally parallel, depending legs respectively extending downwardly along the sides of said jointing member from said upper edge partway to said bottom edge, said reference section being of upright substantially T-shaped cross section and projecting upwardly from the central portion of the upper wall of said clamping section, upwardly extending projections located at the ends of the crossbar of the T and defining reference surfaces for use in smoothing the surface of the concrete or mortar, said reference section having side portions extending downwardly from the ends of the crossbar of the T to positions located close to but spaced upwardly from the upper end of said clamping section.

Claim 15

Dependent Claim 198 words

A joint forming and sealing assembly adapted to be laid in place on a surface prior to forming a slab of concrete or mortar thereon, comprising: an elongated elastic jointing member having substantially the shape of a board and having upper and lower edges and opposite sides; a one-piece elongated cover member comprising a clamping section and an elastic reference section, said clamping section being of inverted substantially U-shape cross section and being sleeved on the upper end of said jointing member, said clamping section having a pair of generally parallel, depending legs respectively extending downwardly along the sides of said jointing member from said upper edge partway to said bottom edge, said reference section being of upright substantially T-shaped cross section and projecting upwardly from the central portion of the upper wall of said clamping section, upwardly extending projections located at the ends of the crossbar of the T and defining reference surfaces for use in smoothing the surface of the concrete or mortar, said reference section having side portions extending downwardly from the ends of the crossbar of the T to positions located close to but spaced upwardly from the upper end of said clamping section.

Claim 16

Dependent Claim 199 words

A joint forming and sealing assembly adapted to be laid in place on a surface prior to forming a slab of concrete or mortar thereon, comprising: an elongated elastic jointing member having substantially the shape of a board and having upper and lower edges and opposite sides; an elongated cover member comprising a clamping section and a separable elastic reference section, said clamping section being of inverted substantially U-shape cross section and being sleeved on the upper end of said jointing member, said clamping section having a pair of generally parallel, depending legs respectively extending downwardly along the ends of said jointing member from said upper edge partway to said bottom edge, said reference section projecting upwardly from said clamping section and having a substantially horizontal top wall, a pair of longitudinally extending laterally spaced projections extending upwardly from said top wall at the opposite lateral ends thereof, said projections defining reference surfaces for use in smoothing the surface of the concrete or mortar; said elastic reference section being slidably, detachably and replaceably attached to said clamping section, said clamping section and said elastic reference section having interfitting male and female connecting structures for releasably joining together said sections.

Claim 17

Dependent Claim 199 words

A joint forming and sealing assembly adapted to be laid in place on a surface prior to forming a slab of concrete or mortar thereon, comprising: an elongated elastic jointing member having substantially the shape of a board and having upper and lower edges and opposite sides; an elongated cover member comprising a clamping section and a separable elastic reference section, said clamping section being of inverted substantially U-shape cross section and being sleeved on the upper end of said jointing member, said clamping section having a pair of generally parallel, depending legs respectively extending downwardly along the ends of said jointing member from said upper edge partway to said bottom edge, said reference section projecting upwardly from said clamping section and having a substantially horizontal top wall, a pair of longitudinally extending laterally spaced projections extending upwardly from said top wall at the opposite lateral ends thereof, said projections defining reference surfaces for use in smoothing the surface of the concrete or mortar; said elastic reference section being slidably, detachably and replaceably attached to said clamping section, said clamping section and said elastic reference section having interfitting male and female connecting structures for releasably joining together said sections.

Claim 18

Dependent Claim 108 words

An assembly according to claim 13, wherein said clamping section has an upper wall of inverted substantially W cross-sectional shape and a pair of spaced-apart opposed holding walls projecting upwardly from said upper wall over the entire length thereof, the upper end of each of said holding walls being bent inwardly to define a slot whereby said holding walls define a female connecting structure, and said reference section includes male joining connecting structure formed on the lower portion of said reference section over the entire length thereof, said male connecting structure projecting through said slot and having a portion of arrowhead cross-sectional shape received between said holding walls.

Claim 19

Dependent Claim 95 words

An assembly according to claim 13, wherein said clamping section includes male connecting structure projecting from the upper surface of said clamping over the entire length thereof and having a portion of arrowhead cross-sectional shape, and said elastic reference section comprises female connecting structure including a chamber defined in said elastic reference section and having a slot in the lower wall of said chamber over the entire length thereof through which said male connecting structure projects, said lower wall having a shape corresponding to the cross-sectional shape of the upper wall of said clamping section.

Claim 20

Dependent Claim 127 words

A jointing material according to claim 13, wherein said clamping section has an upper wall of wide V cross-sectional shape and a pair of opposed holding walls projecting upwardly from the sides of said V-shape ovr the entire length thereof with the upper ends of said holding walls being located downwardly with respect to the outer edges of said V-shaped wall, the upper end of each of said holding walls being bent inwardly to define a slot, and said elastic reference section comprises a closed chamber therein and male connecting structure formed on the lower wall of said chamber and extending along the entire length thereof, said male connecting structure projecting through said slot and having a portion of arrowhead cross-sectional shape received between said holding walls.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1980-09-26	1981-03-28	1981-09-27	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1984-09-26	1985-03-28	1985-09-27	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1988-09-26	1989-03-28	1989-09-27	$7700.00	Window Closed / Lapsed

Expansion jointing material for placing concrete, mortar or the like

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