Reticulated bar grating

Claim 2

A reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet; said strips being integrally formed with connecting saddle portions joining adjacent strip wall positions at regular longitudinal strip intervals, said saddles joining adjacent strips being in axial alignment, adjacent rows of axially aligned saddles lying adjacent opposite surfaces of said sheet, strip surface portions longitudinally extending between said saddle portions being laterally deformed to define openings of substantially uniform shape, each of said saddle portions comprising a curved bight portion joining opposed planar wall portions integrally formed with said strips, longitudinal reinforcing members disposed between opposed walls of longitudinally aligned saddle portions and having a longitudinal supporting edge extending beyond an adjacent plane defined by edges of said strips; said reinforcing means being fixedly secured in relatively immovable relationship to the saddle wall portions.

Claim 3

A reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet; said strips being integrally formed with connecting saddle portions joining adjacent strip wall positions at regular longitudinal strip intervals, said saddles joining adjacent strips being in axial alignment, adjacent rows of axially aligned saddles lying adjacent opposite surfaces of said sheet, strip surface portions longitudinally extending between said saddle portions being laterally deformed to define openings of substantially uniform shape, each of said saddle portions comprising a curved bight portion joining opposed planar wall portions integrally formed with said strips, longitudinal reinforcing members disposed between opposed walls of longitudinally aligned saddle portions and being relieved along opposed longitudinal edge portions, and disposed between opposed walls of longitudinally aligned saddle members; aligned bights of said saddle portions being received in the relieved portions of one edge of said reinforcing members whereby edge portions straddling each of such relieved portions may project beyond such straddled bight portions, strip edge portions oppositely disposed to said bight portions clampingly engaging a reinforcing member relieved edge portion whereby edge portions of said reinforcing member may project beyond the strip edges from which the clampingly engaging strip portions are formed.

Claim 4

A reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet; said strips being integrally formed with connecting saddle portions joining adjacent strip wall positions at regular longitudinal strip intervals, said saddles joining adjacent strips being in axial alignment, adjacent rows of axially aligned saddles lying adjacent opposite surfaces of said sheet, strip surface portions longitudinally extending between said saddle portions being laterally deformed to define openings of substantially uniform shape, each of said saddle portions comprising a curved bight portion joining opposed planar wall portions integrally formed with said strips, longitudinal reinforcing members disposed between opposed walls of longitudinally aligned saddle portions and being relieved along opposed longitudinal edge portions, and disposed between opposed walls of longitudinally aligned saddle members; aligned bights of said saddle portions being received in the relieved portions of one edge of said reinforcing members whereby edge portions straddling each of such relieved portions may project beyond such straddled bight portions, strip edge portions oppositely disposed to said bight portions clampingly engaging a reinforcing member relieved edge portion whereby edge portions of said reinforcing member may project beyond the strip edges from which the clampingly engaging strip portions are formed.

Claim 5

In combination, an integral reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet, said strips being regularly undulating along their lengths whereby openings of uniform shape are formed therebetween at regular longitudinal intervals, alternate rows of openings being substantially uniform and offset longitudinally from intermediate rows of openings formed therebetween; said sheet having connecting sheet saddle portions integrally formed with adjacent strip edge portions defining opposed end portions of said openings; said saddle portions defining openings in said alternate rOws of openings being aligned and joining strip edges adjacent one surface lying in the general plane of the sheet; said saddle portions defining openings in said intermediate rows of openings being aligned and joining strip edges adjacent the opposite surface of the sheet lying in the general plane of the sheet; and discrete longitudinal reinforcing means joined to said integral sheet for preventing flexing of said sheet edges transversely to the lengths thereof; said reinforcing means being secured to axially aligned saddle portions of said sheet.

Claim 6

In combination, an integral reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet, said strips being regularly undulating along their lengths whereby openings of uniform shape are formed therebetween at regular longitudinal intervals, alternate rows of openings being substantially uniform and offset longitudinally from intermediate rows of openings formed therebetween; said sheet having connecting sheet saddle portions integrally formed with adjacent strip edge portions defining opposed end portions of said openings; said saddle portions defining openings in said alternate rOws of openings being aligned and joining strip edges adjacent one surface lying in the general plane of the sheet; said saddle portions defining openings in said intermediate rows of openings being aligned and joining strip edges adjacent the opposite surface of the sheet lying in the general plane of the sheet; and discrete longitudinal reinforcing means joined to said integral sheet for preventing flexing of said sheet edges transversely to the lengths thereof; said reinforcing means being secured to axially aligned saddle portions of said sheet.

Claim 7

A reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet, said strips being regularly undulating along their lengths, whereby openings of uniform shape are formed therebetween at regular longitudinal intervals, alternate rows of openings being substantially uniform and offset longitudinally from intermediate rows of openings formed therebetween, connecting sheet saddle portions integrally formed with adjacent strip edge portions defining opposed end portions of said openings, said saddle portions defining openings in said alternate rows of openings being aligned and joining strip edges adjacent one surface lying in the general plane of the sheet, said saddle portions defining openings in said intermediate rows of openings being aligned and joining strip edges adjacent the opposite surface of the sheet lying in the general plane of the sheet; and longitudinal reinforcing means preventing flexing of said sheet edges transversely to the lengths thereof secured to axially aligned saddle portions of said sheet; said longitudinal reinforcing means being of greater height than said strips whereby said sheet may rest on said longitudinal reinforcements when placed upon a planar supporting surface.

Claim 8

A reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet, said strips being regularly undulating along their lengths, whereby openings of uniform shape are formed therebetween at regular longitudinal intervals, alternate rows of openings being substantially uniform and offset longitudinally from intermediate rows of openings formed therebetween, connecting sheet saddle portions integrally formed with adjacent strip edge portions defining opposed end portions of said openings, said saddle portions defining openings in said alternate rows of openings being aligned and joining strip edges adjacent one surface lying in the general plane of the sheet, said saddle portions defining openings in said intermediate rows of openings being aligned and joining strip edges adjacent the opposite surface of the sheet lying in the general plane of the sheet; and longitudinal reinforcing means preventing flexing of said sheet edges transversely to the lengths thereof secured to axially aligned saddle portions of said sheet; said longitudinal reinforcing means being of greater height than said strips whereby said sheet may rest on said longitudinal reinforcements when placed upon a planar supporting surface.

Claim 9

A reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet, said strips being regularly undulating along their lengths, whereby openings of uniform shape are formed therebetween at regular longitudinal intervals, alternate rows of openings being substantially uniform and offset longitudinally from intermediate rows of openings formed therebetween, connecting sheet saddle portions integrally formed with adjacent strip edge portions defining opposed end portions of said openings, each of said saddle portions having a central bight joining opposed walls contiguous with adjacent strips, said saddle portions defining openings in said alternate rows of openings being aligned and joining strip edges adjacent one surface lying in the general plane of the sheet, said saddle portions defining openings in said intermediate rows of openings being aligned and joining strip edges adjacent the opposite surface of the sheet lying in the general plane of the sheet; and longitudinal reinforcing means preventing flexing of said sheet edges transversely to the lengths thereof secured to axially aligned saddle portions of said sheet; each of said longitudinal reinforcing means being fixedly secured to opposed wall portions of the saddles and having a supporting edge surface extending beyond the distal ends of said saddle portion walls opposed to said saddle bight portions; all of said supporting edge surfaces adjacent one sheet surface resting in a single, substantially horizontal plane in the normal position of sheet use.

Claim 10

A reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet, said strips being regularly undulating along their lengths, whereby openings of uniform shape are formed therebetween at regular longitudinal intervals, alternate rows of openings being substantially uniform and offset longitudinally from intermediate rows of openings formed therebetween, connecting sheet saddle portions integrally formed with adjacent strip edge portions defining opposed end portions of said openings, each of said saddle portions having a central bight joining opposed walls contiguous with adjacent strips, said saddle portions defining openings in said alternate rows of openings being aligned and joining strip edges adjacent one surface lying in the general plane of the sheet, said saddle portions defining openings in said intermediate rows of openings being aligned and joining strip edges adjacent the opposite surface of the sheet lying in the general plane of the sheet; and longitudinal reinforcing means preventing flexing of said sheet edges transversely to the lengths thereof secured to axially aligned saddle portions of said sheet; each of said longitudinal reinforcing means being fixedly secured to opposed wall portions of the saddles and having a supporting edge surface extending beyond the distal ends of said saddle portion walls opposed to said saddle bight portions; all of said supporting edge surfaces adjacent one sheet surface resting in a single, substantially horizontal plane in the normal position of sheet use.

Claim 11

A reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet, said strips being regularly undulating along their lengths, whereby openings of uniform shape are formed therebetween at regular longitudinal intervals, alternate rows of openings being substantially uniform and offset longitudinally from intermediate rows of openings formed therebetween, connecting sheet saddle portions integrally formed with adjacent strip edge portions defining opposed end portions of said openings, said saddle portions defining openings in said alternate rows of openings being aligned and joining strip edges adjacent one surface lying in the general plane of the sheet, said saddle portions defining openings in said intermediate rows of openings being aligned and joining strip edges adjacent the opposite surface of the sheet lying in the general plane of the sheet; and longitudinal reinforcing means preventing flexing of said sheet edges transversely to the lengths thereof secured to axially aligned saddle portions of said sheet; said longitudinal reinforcing means being of lesser height than said strips and relieved at longitudinal intervals for reception of the saddle bight portions whereby edge portions of said reinforcing means straddling said bight portions adjacent one surface of said sheet may project beyond said bight portions; all of said projecting edge portions adjacent said one surface terminating in substantially a horizontal plane.

Claim 12

A reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet, said strips being regularly undulating along their lengths, whereby openings of uniform shape are formed therebetween at regular longitudinal intervals, alternate rows of openings being substantially uniform and offset longitudinally from intermediate rows of openings formed therebetween, connecting sheet saddle portions integrally formed with adjacent strip edge portions defining opposed end portions of said openings, said saddle portions defining openings in said alternate rows of openings being aligned and joining strip edges adjacent one surface lying in the general plane of the sheet, said saddle portions defining openings in said intermediate rows of openings being aligned and joining strip edges adjacent the opposite surface of the sheet lying in the general plane of the sheet; and longitudinal reinforcing means preventing flexing of said sheet edges transversely to the lengths thereof secured to axially aligned saddle portions of said sheet; said longitudinal reinforcing means being of lesser height than said strips and relieved at longitudinal intervals for reception of the saddle bight portions whereby edge portions of said reinforcing means straddling said bight portions adjacent one surface of said sheet may project beyond said bight portions; all of said projecting edge portions adjacent said one surface terminating in substantially a horizontal plane.

Claim 13

In combination, an integral reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet, said strips being regularly undulating along their lengths, whereby openings of uniform shape are formed therebetween at regular longitudinal intervals, alternate rows of openings being substantially uniform and offset longitudinally from intermediate rows of openings formed therebetween, connecting sheet saddle portions integrally formed with adjacent strip edge portion defining opposed end portions of said openings, said saddle portions defining openings in said alternate rows of openings being aligned and joining strip edges adjacent one surface lying in the general plane of the sheet, said saddle portions defining openings in said intermediate rows of openings being aligned and joining strip edges adjacent the opposite surface of the sheet lying in the general plane of the sheet; and longitudinal reinforcing means preventing flexing of said sheet edges transversely to the lengths thereof, said means being secured to axially aligned saddle portions of said sheet by means locking said reinforcing means to said sheet saddle portions.

Claim 14

In combination, an integral reticulated sheet comprising a plurality of continuous strips formed from said sheet and extending in planes normal to the general plane of the sheet, said strips being regularly undulating along their lengths, whereby openings of uniform shape are formed therebetween at regular longitudinal intervals, alternate rows of openings being substantially uniform and offset longitudinally from intermediate rows of openings formed therebetween, connecting sheet saddle portions integrally formed with adjacent strip edge portion defining opposed end portions of said openings, said saddle portions defining openings in said alternate rows of openings being aligned and joining strip edges adjacent one surface lying in the general plane of the sheet, said saddle portions defining openings in said intermediate rows of openings being aligned and joining strip edges adjacent the opposite surface of the sheet lying in the general plane of the sheet; and longitudinal reinforcing means preventing flexing of said sheet edges transversely to the lengths thereof, said means being secured to axially aligned saddle portions of said sheet by means locking said reinforcing means to said sheet saddle portions.

Claim 15

A reticulated bar grate comprising a single sheet having a plurality of integral polygonal cells, said cells including diagonal walls common to adjacent rows of cells and lengthwise aligned and transversely spaced longitudinal walls between adjacent cells integrally connected along one of the longitudinal edges of said longitudinal walls to define bar receiving saddles, bar attachment tabs on the other of said longitudinal wall edges, and longitudinally extending bars disposed in said saddles and fixed therein by said bar attachment tabs bent thereover.

Claim 16

A reticulated bar grate comprising a single sheet having a plurality of integral polygonal cells, said cells including diagonal walls common to adjacent rows of cells and lengthwise aligned and transversely spaced longitudinal walls between adjacent cells integrally connected along one of the longitudinal edges of said longitudinal walls to define bar receiving saddles, bar attachment tabs on the other of said longitudinal wall edges, and longitudinally extending bars disposed in said saddles and fixed therein by said bar attachment tabs bent thereover.