US1110369A - Combined plaster and cement base-screed. - Google Patents

Combined plaster and cement base-screed. Download PDF

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Publication number
US1110369A
US1110369A US82164914A US1914821649A US1110369A US 1110369 A US1110369 A US 1110369A US 82164914 A US82164914 A US 82164914A US 1914821649 A US1914821649 A US 1914821649A US 1110369 A US1110369 A US 1110369A
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Prior art keywords
plaster
screed
base
wall
cement
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Expired - Lifetime
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US82164914A
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Arthur G Bagnall
James A Taylor
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/02Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04Bases for plaster
    • E04F13/06Edge-protecting borders
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00Other details of constructional parts for finishing work on buildings
    • E04F19/02Borders; Finishing strips, e.g. beadings; Light coves
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00Other details of constructional parts for finishing work on buildings
    • E04F19/02Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/04Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings
    • E04F19/049Plinths specially adapted for joining wall coverings to floor surfaces
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/02Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04Bases for plaster
    • E04F13/06Edge-protecting borders
    • E04F2013/063Edge-protecting borders for corners
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/02Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04Bases for plaster
    • E04F13/06Edge-protecting borders
    • E04F2013/066Edge-protecting borders for expansion joints between two plaster layers
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00Other details of constructional parts for finishing work on buildings
    • E04F19/02Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/04Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings
    • E04F2019/0404Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings characterised by the material
    • E04F2019/0413Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings characterised by the material of metal

Definitions

  • This invention relatestocement and plaster working and has for itsobject the provision. of a metal device which. may be up plied permanently to. a wall'or partition to;
  • FIG. 1 is a. perspective vie-wot a portion-of ametal plaster and cement base screedconstructed in accordance with our invention
  • 2 is a vertical, cross-sectional view of a portion of a wallshowing the. same in place
  • lF-ig. 3 is a base view of a portion of one end of such metal screed
  • Fig. 4 is a cross sectional view of the-screed alone, showing its adaptability to walls of dillerent thickness.
  • 1 I the originalflooror sub-floor whichimay .be of interlocking tile, concrete, or any other suitable material and construction
  • 2 represents a. portion of a wall, here shown as termed of hollow tile and ,having mortar joints 3.
  • 4 represents the finish floor, also of concrete, 5 the concrete. base, forming a continuation of the floor and extending up the wall the customary or anysuitable dis tance, 6, the fillet or rounded corner between the door and base, and 7 the wall plaster, which is applied to the face of the tile in the usual or any suitable manner.
  • Our improved metal base screed is constructed of a single piece of sheet metal, bent embodiment, comprises a pair of flat elongated webs 10 and 11 making an oblique tion is bent at substantially right angles which is run horizontall thereto to form the wall 15 which merges with the outer edge of the flange 12.
  • web 10 is formed with a plurality of spaced apertures 1616 which preferably extend throu hthe flange 12 as indicatedat 17, and t e web 11 is formed with other apertures 18 -18 which are preferably located out of line'with the a ertures 16 for apurpose hereafter descri ed. Also the outer edges of the webs 10 and 11 are formed with securing lips 2020 formed at frequent intervals with perforations 21 for the reception of nails.22 or other suitable securing means.
  • these metal screeds are cut to anysuitable length and applied to the face of. the wall at the requisite height, being secured in place by means of nails driven into the mortar bonds between adjacent bricks or tiles.
  • nails can be inserted anywhere.
  • the closeness together of the aper-j tures 21-21 will cause some apertures to coincide with nearly every vertical joint, at least suflicient for the pu ose otholding this screed in place.
  • the p aster . is applied in the usual manner, to the level of the wall portion 15 as illustrated in Fig. 2, some of the material entering through the perforations 1616 so as to become keyed therein as illustrated in Fig. 2.
  • the up er face-0f the flange 13 will arrest the fal ing movement of these keys and prevent the laster from falling to the space used for t e ce' ment.
  • the floor 4 is laid in the usual manner, and additional cement packed'into the corner beneatht-he screed suflici'ent for the urpose of forming the cement base. It is tiien compressed and shaped by means of a suitable molding tool around the room the ledge 14 being emp oyed' to guide steady the tool.
  • the cement will enter the perforations 1818 and become keyed therein as illustrated at 25, but with very littledanger of comin into contact with the plaster y reason 0 the oflsettin of the per-- foratlons l6 and 18.
  • a plaster and cement base screed for walls consisting of a webs, outwardly extending flanges at the adjacent margins of said webs, a wall' portion at the margin of one of said "flanges and adapted to liein the-plane of the plaster, a fold integral with the edge of the other web and ada ted to overlie the top of the cement base, sald fold being integral with the edge lips at their outer edges and also having at f their adj'aeent'edges a air of outwardly extending flanges of di erent widths, the outer margin of one flange extending from the. plane of said lips to a distance equal to the thickness of the plaster coat and the other to a distance equal to the thickness ofthe cement base, and the outer margins of air of converging said flanges being connected by integral por tions adapted to form plaster and base.
  • a plaster and cement base screed for the angle between the walls formed from sheet metal and connprlsing a pair of converging apertured webs having securing portions at their outer edges and forwardly extending flanges at their adjacent edges, one of said flangps having a wall portion definin the thic ness of the plaster and theother an having a straight edge def ning the top of t e cement base, said wall portion andsaid straight edge portion being integrally connected and the apertures in one web being staggered with respect to those in the other web so as to maintain the plaster and cement keys out of contact with each other.
  • a plaster and cement base screed for walls formed from sheet metal and comprising a pair of converging apertured webs having securing portions at their outer edges and forwardly extending substantially parallel flanges at their adjacent edges, one of our signatures in the presence of two Witsaid flanges havin a wall portion defining nesses.
  • the thickness of t e plaster and the other ARTHU R i. BAGNALL. flange having a, greater width than said first J A MES A. TAYLOR.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finishing Walls (AREA)

Description

A. G. BAGNALL & J. A. TAYLOR.
COMBINED PLASTER AND 02mm BASE scams.
APPLICATION fILBD P211215, 1914. 1,1 10,369, Patented Sept. 15, 1914.
J/Vrnvzqwsg; 15061127068 W WQgQW x 1. 6 W
ITNITED STATES ARTHUR a. nAGNALL AND JAMES PATENT OFFICE.
A; TAYLOR, 0F CLEVELAND, OHIO.
COMBINED PLASTER,AND GEMENT BASE-SCREED.
Specification of Letters l'atent.
Patented Sept. 15, 1914.
To all whom it may-conoern:
Be it known that We, ARTHUR G.. BAGNALL and JAMES Al.TA-YLOR, citizens ot-the United States, residing at Cleveland, in the county of Ouyahoga and-State of Qhio, have invented a certain new and useful Improvement in Combined Plaster and Cement Base- Screeds, of which the following is a full, clear, and exact description, reference being bad to the accompanying drawings.
This invention relatestocement and plaster working and has for itsobject the provision. of a metal device which. may be up plied permanently to. a wall'or partition to;
form-a base for the-wall plaster, and also, form a screed or guide for the purpose of steadying a molding tool, and in addition may separate the plaster wall from the co men-t hose while keeping both of those materials firmly in place. At the present time, .in the construction of fire proof buildings .such as oflices, lofts, and the like, it is becoming increasingly common to form thetloor of concrete, which concrete is carried uparound the base of the walls for a short distance in place of the usual base board, the joint between this concrete base and the concrete floor being made rounding .so as to form a kind of sanitary'base cove: In the process of finishing the interior of the room it has first been customary to. afiix to the wall at a point adjacent to the floor a wooden ground to which the plaster coat is drawn.
After thisv plaster has been laid and hardened said ground is removed, and a second wooden strip is tacked to the face of the plaster just above its lower edge, this second strip being employed as a screed for guiding the moldingv tool whereby the base is formed. After. the laying of the floor and the molding of the base, this second wood strip has no further use, and is therefore torn away, leaving the plaster of the wall and the cement of the base'in close juxtaposition. Also, as will be obvious, the tearing away of these two wooden members is certain to do considerable damageto the plaster-of the wall which has, therefore, to
be repaired by the usual slow method of patching, and even then it is impossible to restore the wall to the desired smooth condition. In addition it is a well known fact that when plaster and Portland cement con crete are laid against each other a chemical action frequently oceurswhich becomes very,
destructive to one or the other of the ma terials, and with the process.- above described it is very difficult to maintain these materials out of contact at all points.
Accordingly itis the object of our inventionwto pnovidei'a singlemomber which shall both form a ground: for the plaster and a screed for the cement base, which shall be eft permanently in. the wall, and which shall-keep the. plaster andthe cement .fimnly in place- While maintaining them sufficiently apart to minimize-uthedanger of, chemical reaction.
In thedrawingsaccompanying and forming-a part ofthis application we have illustrated one form of device whereby all of theseobjects may be attained, the same being the preferable embodiment of our in- 1 vention sofar as we have hitherto conceived the same, though it is obvious thatother specific constructions could be employed to the end In these drawings Figure 1 is a. perspective vie-wot a portion-of ametal plaster and cement base screedconstructed in accordance with our invention; 2 is a vertical, cross-sectional view of a portion of a wallshowing the. same in place; lF-ig. 3 is a base view of a portion of one end of such metal screed; and Fig. 4 is a cross sectional view of the-screed alone, showing its adaptability to walls of dillerent thickness.
Describing the drawings by reference to the numerals placed thereon, 1 represents I the originalflooror sub-floor whichimay .be of interlocking tile, concrete, or any other suitable material and construction, and 2 represents a. portion of a wall, here shown as termed of hollow tile and ,having mortar joints 3. 4 represents the finish floor, also of concrete, 5 the concrete. base, forming a continuation of the floor and extending up the wall the customary or anysuitable dis tance, 6, the fillet or rounded corner between the door and base, and 7 the wall plaster, which is applied to the face of the tile in the usual or any suitable manner.
Our improved metal base screed is constructed of a single piece of sheet metal, bent embodiment, comprises a pair of flat elongated webs 10 and 11 making an oblique tion is bent at substantially right angles which is run horizontall thereto to form the wall 15 which merges with the outer edge of the flange 12. The
web 10 is formed with a plurality of spaced apertures 1616 which preferably extend throu hthe flange 12 as indicatedat 17, and t e web 11 is formed with other apertures 18 -18 which are preferably located out of line'with the a ertures 16 for apurpose hereafter descri ed. Also the outer edges of the webs 10 and 11 are formed with securing lips 2020 formed at frequent intervals with perforations 21 for the reception of nails.22 or other suitable securing means.
In use these metal screeds are cut to anysuitable length and applied to the face of. the wall at the requisite height, being secured in place by means of nails driven into the mortar bonds between adjacent bricks or tiles. In case one of the flanges 20-20 shall coincide with a horizontal bond as shown in Fig. 2, the nails can be inserted anywhere.-
In case the bonds shall not be of the rightv height, the closeness together of the aper-j tures 21-21 will cause some apertures to coincide with nearly every vertical joint, at least suflicient for the pu ose otholding this screed in place. The p aster .is applied in the usual manner, to the level of the wall portion 15 as illustrated in Fig. 2, some of the material entering through the perforations 1616 so as to become keyed therein as illustrated in Fig. 2. The up er face-0f the flange 13 will arrest the fal ing movement of these keys and prevent the laster from falling to the space used for t e ce' ment. Y
After the plaster has-hardened the floor 4 is laid in the usual manner, and additional cement packed'into the corner beneatht-he screed suflici'ent for the urpose of forming the cement base. It is tiien compressed and shaped by means of a suitable molding tool around the room the ledge 14 being emp oyed' to guide steady the tool. The cement will enter the perforations 1818 and become keyed therein as illustrated at 25, but with very littledanger of comin into contact with the plaster y reason 0 the oflsettin of the per-- foratlons l6 and 18. It will be noted that the led e 14 and Wall 15 of the screed a [e left expose thus forming a metal angle hich strengthens the construction very materially at this point and revents chipping or cracking the concrete ii ase by contact with furniture and the like. Also this construction permits the use of a base molding at this point if, desired, and avoids the necessit of removin any screeds, grounds, or the like, thus avoiding the necessit' of breaking the finish and later patching the same. The ar rangement here described also permits the same screed to be used with plasters of different thickness, since to adapt this screed to v plasters of diflerent thickness it is necessary merely to bend the same in or out as shown in full-and-dotted lines in Fig. 4.
It will be seen that we have produced a device of great simplicity utility, and. reliability, although a may obviously be changed in many particulars without departing from the scope of our invention.-
Having thus described our invention, what we claim is 1. A plaster and cement base screed for walls, consisting of a webs, outwardly extending flanges at the adjacent margins of said webs, a wall' portion at the margin of one of said "flanges and adapted to liein the-plane of the plaster, a fold integral with the edge of the other web and ada ted to overlie the top of the cement base, sald fold being integral with the edge lips at their outer edges and also having at f their adj'aeent'edges a air of outwardly extending flanges of di erent widths, the outer margin of one flange extending from the. plane of said lips to a distance equal to the thickness of the plaster coat and the other to a distance equal to the thickness ofthe cement base, and the outer margins of air of converging said flanges being connected by integral por tions adapted to form plaster and base.
3. A plaster and cement base screed for the angle between the walls, formed from sheet metal and connprlsing a pair of converging apertured webs having securing portions at their outer edges and forwardly extending flanges at their adjacent edges, one of said flangps having a wall portion definin the thic ness of the plaster and theother an having a straight edge def ning the top of t e cement base, said wall portion andsaid straight edge portion being integrally connected and the apertures in one web being staggered with respect to those in the other web so as to maintain the plaster and cement keys out of contact with each other.
4. A plaster and cement base screed for walls, formed from sheet metal and comprising a pair of converging apertured webs having securing portions at their outer edges and forwardly extending substantially parallel flanges at their adjacent edges, one of our signatures in the presence of two Witsaid flanges havin a wall portion defining nesses. the thickness of t e plaster and the other ARTHU R (i. BAGNALL. flange having a, greater width than said first J A MES A. TAYLOR.
5 flange and connected thereto by an inte a1 angular portion adapted to gulde :1 mol ing Witnesses:
too HAROLD E. SMITH,
In testimony whereof, we hereunto aifix BRENNAN B. Wear.
US82164914A 1914-02-28 1914-02-28 Combined plaster and cement base-screed. Expired - Lifetime US1110369A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2679156A (en) * 1952-12-11 1954-05-25 Merrill J Mcfarland Faced wall
US2787902A (en) * 1953-04-27 1957-04-09 Primus Arthur Reinforced, monolithically faced wall
US2990652A (en) * 1958-07-24 1961-07-04 Salvatore J Santoro Plasterer's screed guide
US3295268A (en) * 1964-06-22 1967-01-03 Porter Co Inc H K Drip molding trim
US4391074A (en) * 1981-01-08 1983-07-05 Holsman Henrietta H Weep screed
US4466222A (en) * 1981-12-31 1984-08-21 Mitchell George D Depression rail and water stop for concrete building slabs
US5433051A (en) * 1991-03-13 1995-07-18 Combiform Aktiebolag Supporting element for use in casting concrete floors
US20060285922A1 (en) * 2003-02-12 2006-12-21 Valenti Centellas Oliveras Expansion joint for concrete works
US20080307730A1 (en) * 2007-06-18 2008-12-18 Barry Rutherford Channel screed with fastening clips
US20160040428A1 (en) * 2013-06-03 2016-02-11 Philip Glen Miller Self-aligning, double wire corner bead for fireproofing structural steel member and method of using same
US10415237B1 (en) 2013-06-03 2019-09-17 Philip Glen Miller Self-aligning corner bead for fireproofing structural steel member and method of using same

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2679156A (en) * 1952-12-11 1954-05-25 Merrill J Mcfarland Faced wall
US2787902A (en) * 1953-04-27 1957-04-09 Primus Arthur Reinforced, monolithically faced wall
US2990652A (en) * 1958-07-24 1961-07-04 Salvatore J Santoro Plasterer's screed guide
US3295268A (en) * 1964-06-22 1967-01-03 Porter Co Inc H K Drip molding trim
US4391074A (en) * 1981-01-08 1983-07-05 Holsman Henrietta H Weep screed
US4466222A (en) * 1981-12-31 1984-08-21 Mitchell George D Depression rail and water stop for concrete building slabs
US5433051A (en) * 1991-03-13 1995-07-18 Combiform Aktiebolag Supporting element for use in casting concrete floors
US20060285922A1 (en) * 2003-02-12 2006-12-21 Valenti Centellas Oliveras Expansion joint for concrete works
US20080307730A1 (en) * 2007-06-18 2008-12-18 Barry Rutherford Channel screed with fastening clips
US20160040428A1 (en) * 2013-06-03 2016-02-11 Philip Glen Miller Self-aligning, double wire corner bead for fireproofing structural steel member and method of using same
US9540813B2 (en) * 2013-06-03 2017-01-10 Philip Glen Miller Self-aligning, double wire corner bead for fireproofing structural steel member and method of using same
US10060123B2 (en) 2013-06-03 2018-08-28 Philip Glen Miller Self-aligning, double wire corner bead for fireproofing structural steel member
US10087622B2 (en) 2013-06-03 2018-10-02 Philip Glen Miller Self-aligning corner bead for fireproofing structural steel member and method of using same
US10202760B1 (en) 2013-06-03 2019-02-12 Philip Glen Miller Self-aligning, double wire corner bead for fireproofing structural steel member and method of using same
US10415237B1 (en) 2013-06-03 2019-09-17 Philip Glen Miller Self-aligning corner bead for fireproofing structural steel member and method of using same
US10415238B1 (en) 2013-06-03 2019-09-17 Philip Glen Miller Self-aligning corner bead for fireproofing structural steel member and method of using same
US10683662B1 (en) 2013-06-03 2020-06-16 Philip Glen Miller Self-aligning corner bead for fireproofing structural steel member and method of using same

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