USRE17815E - Pasquale gal assi - Google Patents
Pasquale gal assi Download PDFInfo
- Publication number
- USRE17815E USRE17815E US17815DE USRE17815E US RE17815 E USRE17815 E US RE17815E US 17815D E US17815D E US 17815DE US RE17815 E USRE17815 E US RE17815E
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- US
- United States
- Prior art keywords
- strip
- strips
- floor
- rib portion
- flange
- Prior art date
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- Expired
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- 238000004873 anchoring Methods 0.000 description 12
- 239000002184 metal Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 240000000506 Crassocephalum crepidioides Species 0.000 description 2
- 206010016322 Feeling abnormal Diseases 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 210000001035 Gastrointestinal Tract Anatomy 0.000 description 1
- 241000350158 Prioria balsamifera Species 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000000717 retained Effects 0.000 description 1
- 244000104985 savin Species 0.000 description 1
- 235000001520 savin Nutrition 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
- E04F15/14—Construction of joints, e.g. dividing strips
Definitions
- Application for This invention relates to improvements in the construction of terrazzo and similar floorings, and more particularly refers to a new type of dividing strip adapted for use in connection with such floors.-
- Terrazzo, granolithic, stucco and similar floors usuall comprise a lower or foundation bed made of concrete or cement or mortar or other suitable material, and an upper or 1 finishing layer generally consisting of a mix-' ture of marble chips and'cement, by means of which a good durable surface may be obtained as well as pleasing designs "and color effects of a practically unlimited variety.
- the upper layer which is generally placed in position after the foundation layer has been allowed to harden to a suliicient degree of consistency, is generally divided into a number of panels or units in a predetermined 20 arrangement, which are obtained by outlining the desired design by means of dividing strips placed on or through the foundation layer.
- These strips generally consist of flat metal bars set on edge havin their upper edge flush with the surface 0 the floor; and said bars are generally provided with anchoring and positioning means insuring a firm bindingaction between the strips and the materials of which the floor is composed.
- These bars are generally made of relatively soft metal such as bras for instance, the wearing qualities of which are approximately equal to those of the floor itself; and according to the nature of the floor and of the design to be produced, the dividing strips may be of various thicknesses and lengths.
- Relatively thin strips may readily be obtained out of sheet metal, and are suitable for floors of moderate size; however, relatively large floors, or floorscomp'osed of relatively large 'units, call for strips having suflicient rigidity to withstand the lateral pressure of the material without bulging when the floor i is laid.
- the primary object of this invention is to provide a dividing strip forterrazzo floors and the like, of a novel and improved type, which can be made in various sections as may be desired and which may be produced so as to comprise a relatively thick upper portion and a relativel thin rib portion integral therewith, combining capacity to produce heavy lined designs with relative lightness and economy of metal.
- Another object is to provide anovel and improved dividing strip for floors of the character specified adapted to'be produced by rolling or. drawing or extruding processes, comprising a relatively thick upper 'orhead' portion and a relatively thin rib portion, preferably provided with laterally extending positionlng and supporting means.
- a further object of the invention is to'pro-' v 1de a dividing stripof the character specifled, suitable for the production of relatively heavy lined designs, said strip'com'prising a relatively thin rib portion, readily lending itself to punch and die operations for the production ojf anchoring and positioning means, adapted to retain the device in position.
- a still further object is to provide a novel type of dividing strip which is both light and rigid and relatively inexpensive to produce, affording new and numerous decora tive possibilities for floors an excessive cost of production.
- An additional object is to provide a divid ingstrip of the character specified adapted to be produced by rolling or drawing orextruding processes, comprising a relatively I and improved dividing strip for floors of the character specified, comprising a relatively thick upper or head portion and a vention relatively thin portion integral therewith, said rib portion being formed with a laterally extending flange or flanges acting as positioning and anchoring means for said strip.
- Fig. 1 is a plan view of a floor illustrating the manner in which the strips are used;
- FIG. 2 is a fragmentary view in perspective of a strip embodying my invention in one ofits possible forms
- FigsLB, 4, and 5 are similar views of strips of different designs also embodying my in- Fig. 6 is a vertical cross section showing another strip embodying my invention, in position, at the same time illustrating the function of positioning and anchoring means offset therefrom; and x Fig. 7 is a vertical cross section showing another strip in position,"said strip embodying my invention in a still different form.
- the terrazzo floor 10 represented thereby is composed of a number of panels 11 delimited by dividing strips 12. set in a predetermined arrangement, defining the general design of the floor.
- ⁇ designated by numeral 13 comprising a relatively thick head or upper portion 14 and a relatively thin rib portion 15 integral with and depending therefrom, said rib portion being preferably formed with a laterally extending flange 16, the lowersurface of which is at a distance from the upper edge of the of limiting the depth at which the lower part of the rib portion, may be inserted through the foundation bed of the floor, causing the upper edge of the strip to define the thickness of the upper layer.
- Said flange therefore acts as a means for automatically gauging and leveling the upper layer-of the floor and at the same time it also acts as a supporting means for the strip as a whole, maintaining it in a vertical position.
- Such a flange furthermore obviously strengthens the structure of the strip so that a more rigid section adapted to well stand all-normal lateral stresses is obtained even if the metal is quite thin through the rib and flange section.
- a floor strip of this character can be produced with comparative ease by well known rolling or drawing or extrusion processes, especially in view of the fact that the metal used is of a relatively soft texture.
- These processes of production are now widely used, so that the production of this t pe of strip does not entail the necessity 0 using specially designed machines, but only entails the necessity of producing rolls or dies of the proper shape, usable in connection with machines; of standard type now found on the market.
- the width of the upper edge may be produced between two widely dif ferent limits; therefore, numerous decorative possibilities are afforded by this feature within the range ofrelatively moderate costs of production.
- the strip. 17 illustrated in Fig. 3 comprises a relatively thick head portion 18, and a relatively thin rib portion 19 integral with and centrally depending therefrom, said rib portion being formed with two side flanges 20, 21, acting as positioning and supporting means for the strip.
- parts of the rib portion are also laterally ofl'set therefrom at spaced intervals to form laterally and upwardly projecting lugs 22, more efi'ectively insuring a safe anchorage of the strip in position.
- said anchoring means by ordinary punch and die operations, while as stated, this could not easily be done if the strip was as thick as its head portion all through.
- FIG. 4 A still different type of strip is illustrated in Fig. 4 where 23 designates the strip comprising a head portion 24 having outwardly sloping sides 25, 26, and a rib portion 27 centrally depending therefrom The rib portion is preferably formed with one or two laterally extending downwardly inclined flanges 28,29.
- junction point, between the flange or flanges and the rib portion corresponds to the upper surface of the foundation layer of the floor, and therefore the flange or flanges Wlll become embedded, in said foundation layer acting as supportingandpositioning means and as effective anchoring means as well.
- the sloping sides of the head portion will become wedged in position after the upper layer of the floor has become set and will assist the action of the anchoring means in preventing the possibility of the strip becoming loose in its setting.
- Fig. 5 shows stillanother design of strip 30 in which the rib portion 31 is laterally depending from the head portion 32 and is pro-.
- lugs or ears can be formed at spaced, intervai's' and will efiec tively serve the purpose and functions of the flanges previously described.
- FIG.7 I illustrate another dividing strip having a still different outline, comprising a' relatively Wide head portion 41, a relatively thin rib portion .42, centrally depending therefrom, the lower part of which is embedded in the lower layer 45 of the floor, and two laterally and upwardly extending flanges 43, 44, the upper edges of which are on a level with the upper surface of the lower layer of the floor, as shown.
- strips made according to my invention is advantageous also in many other respects; for instance, the freight and handling charges are lower than those entailed by ordinal? strips of corresponding thickness, and urthermore the strips are easily set and retained in position due to their light weight and relative rigidity.
- these strips are intended for use in connection with all kinds of terrazzo and like floors, and also on walls, stairs, and similar construction operations generally.
- flange or flanges are shown in a position where they can act as positioning means for the strips,:it is obvious that other positioning means can be provided if desired,and that the flange or flangescan be'made tola'terally'extend at any desired distance from the edges of the strip, withoutvdeparting from the inventive'idea.
- said rib portion having an integral longitudinal flange laterally projecting therefrom, said flange acting as positioning means for said strip.
- a floor strip ofthe character described comprising a relatively narrow rib portion and a wider head portion integral therewith, having an upper uninterrupted straight edge, said rib portion having integral longitudinal flanges extending one at each side thereof.
- a floor strip of the character described comprising a relatively narrow rib portion and a wider head portion integral therewith, having an upper uninterrupted straight edge, said rib portion having integral longitudinal flanges extending one at each side thereof, at least one of said flanges acting as positioning. means for said strip.
- said strips comprising a body portion and a longitudinal flange integral with and extending laterally of said body portion, said flange forming a solid' section with said body portion, and acting as positioning means for said strip.
- a floor of the character described comprising a plurality of sections and dividing strips therebetween, said strips comprising a body portion and a longitudinal flange integral with and extending laterally of said body portion, said flange forming a solid section with said body portion, the upper part of said body portion being thicker than the lower part thereof.
- a floor of the character described comprising a plurality of sections and dividing strips therebetween, said strips comprising a body portion and a longitudinal flange integral with and extending laterally of said body portion, said flange forming a solid section with said body portion, and acting as positioning means for said strip, the upper part of said bodyportion being thicker than the lower part thereof.
- said rib portion having an integral longitudinal flange laterally projecting therefrom
- a floor strip of the character described comprising a relatively narrow rib portion and a'wider head portion integral therewith,
- said rib portion having an upper uninterrupted straight edge, said rib portion having an integral longitudinal flange laterally projecting therefrom,
- said rib portion having integral longitudinal flanges extending one at ,each side.
- a floor o the character described comprising a plurality of sectionsand dividing strips therebetween, said strips comprising tegral with and extending laterally o aid body portion, said flange forming a solid.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
Description
P. GALASSI I Sept. 23, 1930. nivmme. swan FOR 'wnmzio Fwqn-mu R 17,815
Original Filed Jan. 18, 1928 7 fidsyaele Gut/ass? 3&3 1411s Gum, I
O W=Q Reissued Sept. 23, 1930 V UNITED STATES rAsQuALn-sALAssI, or NEW YORK, N. Y. Y
DIVIDING STRIP FOR TERRAZZO FLOOBINGS Original No. 1,677,760, dated July 17, 1928, Burial No. 247,619, fi1ed January 18', 1928. Application for This invention relates to improvements in the construction of terrazzo and similar floorings, and more particularly refers to a new type of dividing strip adapted for use in connection with such floors.-
Terrazzo, granolithic, stucco and similar floors usuall comprise a lower or foundation bed made of concrete or cement or mortar or other suitable material, and an upper or 1 finishing layer generally consisting of a mix-' ture of marble chips and'cement, by means of which a good durable surface may be obtained as well as pleasing designs "and color effects of a practically unlimited variety.
The upper layer which is generally placed in position after the foundation layer has been allowed to harden to a suliicient degree of consistency, is generally divided into a number of panels or units in a predetermined 20 arrangement, which are obtained by outlining the desired design by means of dividing strips placed on or through the foundation layer. These strips generally consist of flat metal bars set on edge havin their upper edge flush with the surface 0 the floor; and said bars are generally provided with anchoring and positioning means insuring a firm bindingaction between the strips and the materials of which the floor is composed.
' These bars are generally made of relatively soft metal such as bras for instance, the wearing qualities of which are approximately equal to those of the floor itself; and according to the nature of the floor and of the design to be produced, the dividing strips may be of various thicknesses and lengths.
Relatively thin strips may readily be obtained out of sheet metal, and are suitable for floors of moderate size; however, relatively large floors, or floorscomp'osed of relatively large 'units, call for strips having suflicient rigidity to withstand the lateral pressure of the material without bulging when the floor i is laid. I
These heavier strips are also generally made out of sheet metal but brass being expensive material, their use materially increases the cost of the floor. At times the ornamental features are such as to require reissue filed June 27, 1930. Serial No. 464,412.
extra thick metallic strips showing through the material, and in these cases,. the cost is still higher. p
Aside from their relatively high cost, heavy gauge strips also generally require more ex pensive operations and theuse of heavier machines and dies for the production of anchoring and positioning means which are generally oifset or otherwise obtained from the I body of the strip itself.
In the case of extra heavy strips it becomes actuall impossible to produce anchoring means y and therefore suitable additions must be made to the strips by ineans of riveting or other equivalent operations, so that both the cost of material and that of rially increased.
The primary object of this invention is to provide a dividing strip forterrazzo floors and the like, of a novel and improved type, which can be made in various sections as may be desired and which may be produced so as to comprise a relatively thick upper portion and a relativel thin rib portion integral therewith, combining capacity to produce heavy lined designs with relative lightness and economy of metal.
Another object is to provide anovel and improved dividing strip for floors of the character specified adapted to'be produced by rolling or. drawing or extruding processes, comprising a relatively thick upper 'orhead' portion and a relatively thin rib portion, preferably provided with laterally extending positionlng and supporting means. A further object of the invention is to'pro-' v 1de a dividing stripof the character specifled, suitable for the production of relatively heavy lined designs, said strip'com'prising a relatively thin rib portion, readily lending itself to punch and die operations for the production ojf anchoring and positioning means, adapted to retain the device in position.
A still further object is to provide a novel type of dividing strip which is both light and rigid and relatively inexpensive to produce, affording new and numerous decora tive possibilities for floors an excessive cost of production.
without entailing; e 100 I means of punch and the operations, l
labor are again mate- An additional object is to provide a divid ingstrip of the character specified adapted to be produced by rolling or drawing orextruding processes, comprising a relatively I and improved dividing strip for floors of the character specified, comprising a relatively thick upper or head portion and a vention relatively thin portion integral therewith, said rib portion being formed with a laterally extending flange or flanges acting as positioning and anchoring means for said strip.
Other objects and advantages of the present invention will more fully appear as the description proceeds and will be set forth and claimed in the appended claims. Various embodiments of my invention are illustrated in the accompanying drawings in which:
Fig. 1 is a plan view of a floor illustrating the manner in which the strips are used;
'Fig. 2 is a fragmentary view in perspective of a strip embodying my invention in one ofits possible forms;
FigsLB, 4, and 5 are similar views of strips of different designs also embodying my in- Fig. 6 is a vertical cross section showing another strip embodying my invention, in position, at the same time illustrating the function of positioning and anchoring means offset therefrom; and x Fig. 7 is a vertical cross section showing another strip in position,"said strip embodying my invention in a still different form.
Referring to Fig. 1, it will be observed that the terrazzo floor 10 represented thereby is composed of a number of panels 11 delimited by dividing strips 12. set in a predetermined arrangement, defining the general design of the floor.
The type of strip to which this inventlon more particularly refers is especially intended for use in those instances where heavy lines are required for ornamental or constructional reasons. As stated before, if strips of the ordinary type are used, heavy lines defin ng the design entail the use of correspondingly heavy gauge metal for the strlps.
In order to obviate the high cost entailed by such a procedure, as well as the limitations imposed by the use of heavy gauge metal on the production of suitable anchoring or/and positioning means for the strip, I have conceived the idea of producing a strip such as illustrated in Fig. 2 for instance,
\ designated by numeral 13, comprising a relatively thick head or upper portion 14 and a relatively thin rib portion 15 integral with and depending therefrom, said rib portion being preferably formed with a laterally extending flange 16, the lowersurface of which is at a distance from the upper edge of the of limiting the depth at which the lower part of the rib portion, may be inserted through the foundation bed of the floor, causing the upper edge of the strip to define the thickness of the upper layer. I
Said flange therefore acts as a means for automatically gauging and leveling the upper layer-of the floor and at the same time it also acts as a supporting means for the strip as a whole, maintaining it in a vertical position. Such a flange furthermore obviously strengthens the structure of the strip so that a more rigid section adapted to well stand all-normal lateral stresses is obtained even if the metal is quite thin through the rib and flange section.
A floor strip of this character can be produced with comparative ease by well known rolling or drawing or extrusion processes, especially in view of the fact that the metal used is of a relatively soft texture. These processes of production are now widely used, so that the production of this t pe of strip does not entail the necessity 0 using specially designed machines, but only entails the necessity of producing rolls or dies of the proper shape, usable in connection with machines; of standard type now found on the market.
Byvirtue of these conditions, my novel type of strip can be produced-at relatively low cost for labor and at the same time, due
-to the nature of its design it results in important savin in the cost. of material.
It will be illustrated can be produced together with its anchoring and positioning means in a single operation, while as a rule strips of ordinary desi require separate operations for the pro notion of the anchoring and positioning;
0 served that thestyle of strip a be made thicker or thinner as may be desired,
so that without materially affecting the weight of the strip, the width of the upper edge may be produced between two widely dif ferent limits; therefore, numerous decorative possibilities are afforded by this feature within the range ofrelatively moderate costs of production. 7
My inventive idea maybe embodied in strips having different sections, according to requirements. For instance, the strip. 17 illustrated in Fig. 3 comprises a relatively thick head portion 18, and a relatively thin rib portion 19 integral with and centrally depending therefrom, said rib portion being formed with two side flanges 20, 21, acting as positioning and supporting means for the strip.
In addition to this, if'desired, parts of the rib portion are also laterally ofl'set therefrom at spaced intervals to form laterally and upwardly projecting lugs 22, more efi'ectively insuring a safe anchorage of the strip in position. In view of the light weight of the rib portion, it is possible to produce said anchoring means by ordinary punch and die operations, while as stated, this could not easily be done if the strip was as thick as its head portion all through.
A still different type of strip is illustrated in Fig. 4 where 23 designates the strip comprising a head portion 24 having outwardly sloping sides 25, 26, and a rib portion 27 centrally depending therefrom The rib portion is preferably formed with one or two laterally extending downwardly inclined flanges 28,29.
The junction point, between the flange or flanges and the rib portion corresponds to the upper surface of the foundation layer of the floor, and therefore the flange or flanges Wlll become embedded, in said foundation layer acting as supportingandpositioning means and as effective anchoring means as well.
Furthermore, the sloping sides of the head portion will become wedged in position after the upper layer of the floor has become set and will assist the action of the anchoring means in preventing the possibility of the strip becoming loose in its setting. I
Fig. 5 shows stillanother design of strip 30 in which the rib portion 31 is laterally depending from the head portion 32 and is pro-.
' ride-d with a laterally and upwardly extending flange 33, the upper edge of which is at a distance from the upper edge of the head portion equivalent to the thickness of the upper layer of the floor for the reasons previousis on a level with the upper surface of the finished floor.
As stated before, in order to -fac1l1tate the placing of the strips in position and in order to insure their vertical alignment, it is preferable to provide positioning and supporting means for the strip, and in this case, these are represented by lugs or cars such as 40,
punched and bent oil the portion of the strip to extend laterally therefrom at a point layer of the floor. These lugs or ears can be formed at spaced, intervai's' and will efiec tively serve the purpose and functions of the flanges previously described.
. coinciding with the upper surface of the lower w -This method of producing the supporting and positioning means to a certain extent weakens the section of the strip, so that a rigidity corresponding to that of the strips previously described could only in this case be obtained by increasing the thickness of the rib portion. In Fig.7 I illustrate another dividing strip having a still different outline, comprising a' relatively Wide head portion 41, a relatively thin rib portion .42, centrally depending therefrom, the lower part of which is embedded in the lower layer 45 of the floor, and two laterally and upwardly extending flanges 43, 44, the upper edges of which are on a level with the upper surface of the lower layer of the floor, as shown.
Numerous other sections of strips could be illustrated, all embodying my inventive idea, which consists substantially in producing a strip having all the decorative possibilig I, {a
gauge metal without entailing gf 105 ties of heavy its high costs. I a
The use of strips made according to my invention is advantageous also in many other respects; for instance, the freight and handling charges are lower than those entailed by ordinal? strips of corresponding thickness, and urthermore the strips are easily set and retained in position due to their light weight and relative rigidity.
As stated, these strips are intended for use in connection with all kinds of terrazzo and like floors, and also on walls, stairs, and similar construction operations generally.
These structures especially floors and stairs are subject to considerable wear, therefore the upper section should reach within the .floor to a material depth'in order to insure permanency o'f'the or gil ialv design outlined thereby. The de th or height'of said upper.
sections is there ore materially greater and at any rate never less, than, twice the thickness of the lower section, said depth or height being generally-from ffto for ordinary use and more, if desired.
While in all the figures the flange or flanges are shown in a position where they can act as positioning means for the strips,:it is obvious that other positioning means can be provided if desired,and that the flange or flangescan be'made tola'terally'extend at any desired distance from the edges of the strip, withoutvdeparting from the inventive'idea.
The drawings are intended for illustrative v purposes only, and not, in a limiting sense,
and I therefore reserve myself the right to carry my invention into "practice'inall those .a
1. A floor strip of the character described,
comprising a relatively narrow rib portion and a wider head portion integral therewith, having an upper uninterrupted straight edge,
' said rib portion having an integral long1- tudinal flange laterally projecting therefrom. 2. A floor strip of the character described,
comprising a relatively narrow rib portion.
and a wider head portion integral therewith, having an upper uninterrupted straight edge,
said rib portion having an integral longitudinal flange laterally projecting therefrom, said flange acting as positioning means for said strip.
3. A floor strip ofthe character described, comprising a relatively narrow rib portion and a wider head portion integral therewith, having an upper uninterrupted straight edge, said rib portion having integral longitudinal flanges extending one at each side thereof.
4. A floor strip of the character described, comprising a relatively narrow rib portion and a wider head portion integral therewith, having an upper uninterrupted straight edge, said rib portion having integral longitudinal flanges extending one at each side thereof, at least one of said flanges acting as positioning. means for said strip.
5. A floor strip of. the character described,
strips therebetween, said strips comprising a body portion and a longitudinal flange integral with and extending laterally of said body portion, said flange forming a solid' section with said body portion, and acting as positioning means for said strip.
10. A floor of the character described, comprising a plurality of sections and dividing strips therebetween, said strips comprising a body portion and a longitudinal flange integral with and extending laterally of said body portion, said flange forming a solid section with said body portion, the upper part of said body portion being thicker than the lower part thereof.
' 11. A floor of the character described, comprising a plurality of sections and dividing strips therebetween, said strips comprising a body portion and a longitudinal flange integral with and extending laterally of said body portion, said flange forming a solid section with said body portion, and acting as positioning means for said strip, the upper part of said bodyportion being thicker than the lower part thereof.
., PASQUALE GALASSI.
comprising a relatively narrow rib portion and a wider head portion integral therewith,
; having an upper uninterrupted straightedge,
said rib portion having an integral longitudinal flange laterally projecting therefrom,
and longitudinally spaced lugs laterally projecting from said rib portion. I
6. A floor strip of the character described, comprising a relatively narrow rib portion and a'wider head portion integral therewith,
having an upper uninterrupted straight edge, said rib portion having an integral longitudinal flange laterally projecting therefrom,
and longitudinally spaced lugs punched ofl i I and laterally ofi'set from the body of said rib portion.
7,. A floor strip of the character described, comprising a relatively narrow rib portion and wider head portion inte ral therewith,
having an upper uninterrupte straight edge,
said rib portion having integral longitudinal flanges extending one at ,each side.
thereof, at least one ofsaid flan es acting as positioning means for said. strip, and longitudinally spaced lugs laterally projecting a body portion and a longitudinal flange inro'm said rib ortion.
8. A floor o the character described, comprising a plurality of sectionsand dividing strips therebetween, said strips comprising tegral with and extending laterally o aid body portion, said flange forming a solid.
section with said body portion.
Publications (1)
Publication Number | Publication Date |
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USRE17815E true USRE17815E (en) | 1930-09-23 |
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US17815D Expired USRE17815E (en) | Pasquale gal assi |
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