US1049733A - Corner-bead. - Google Patents

Corner-bead. Download PDF

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Publication number
US1049733A
US1049733A US70180612A US1912701806A US1049733A US 1049733 A US1049733 A US 1049733A US 70180612 A US70180612 A US 70180612A US 1912701806 A US1912701806 A US 1912701806A US 1049733 A US1049733 A US 1049733A
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US
United States
Prior art keywords
bead
corner
wall
strip
plaster
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US70180612A
Inventor
George S Knapp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KNAPP BROTHERS MANUFACTURING Co
Original Assignee
KNAPP BROTHERS Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KNAPP BROTHERS Manufacturing Co filed Critical KNAPP BROTHERS Manufacturing Co
Priority to US70180612A priority Critical patent/US1049733A/en
Application granted granted Critical
Publication of US1049733A publication Critical patent/US1049733A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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

Definitions

  • Patented J an. 7, 1913.
  • My invention relates to im rovements in corner beads, or grounds or plasterers work.
  • One of. the objects of my invention is v to provide a bead, or straight. line edge, or
  • a s ecific object of my invention i'sto pro strip, to be fastened to the corner of a wall to be plastered, thereby to provide a ground, or gage to which theplasterer mayfinish his work and a metallic faced corner to impart strength and durability to this portion of the plastered structure.
  • Another object of my invention is to provide, in a corner bead, alternate, elongated slots, and nail-receiving holes, the formerbeing specially well adapted for use with brick or tile wall structures so that attaching nails may be driven through said slots, into the mortar between the bricks, or tiles, and an occasional nail may be driven through the smaller perforations to prevent longitudinal displacement of the strip.
  • the strip, orground is made of a single piece of sheet metal folded longitudinally upon itself to provide, at the juncture of the folded portion, a straight edge forming a ground to which the plasterer may finish his work, at the corners of plastered structures to give the plastered structure a neat and. true line appearance.
  • the folded portion may be formed to a fin, or head, as preferred, from which there extend, at substantial right angles to each other two wings, that are to be attached to the structure to be directly plastered.
  • :10 is a bead, presenting a rounded transverse outer surface and an elongated straight surface to provide the ground, or gage to which the plasterer may finish his work and further to provide means for straightening the plastered structure at the corners.
  • the nail-receiving surfaces 13, and 14 are substantially flatand furthermore they are substantially at right angles to each other,'.when the strip is applied to a substantially square corner.
  • the plaster 15 would not be held so securely in place, although the formation of the bead, 10, is such, as at 16, as to hold the plaster in place.
  • corrugations 17 are curved gradually from the nailreceiving fiat portions 13, and 14, to the inturned portions 16. These corrugations, however, may be made more abrupt as shown in the modification at 17 In each wing, 11 and 12, in the nail-receiving portions thereof, I provide elongated slots 20, alternating with round perforations 21. These slots are provided so that when the strip is used with a brick or tile wall, the nails may be driven, through the slots into the plaster between the bricks or tiles, and the smaller perforations 21, are
  • Nails 22 are preferably used which have relatively large heads so as to overlie the borders of )the elongated slots.
  • My improved head has greater strength, due to the corrugations, before and after its application to the wall, and therefore, a head of equal strength may be made of much thinner stock, whereby its value is preserved and its cost of production is greatly reduced, and the strength of the bead, having the corrugations, with a given thickness of stock, is very greatly enhanced.
  • the corrugations also serve as an additlonal means for securing the plaster to the wall, near the corner of the plastered wall where the plaster is subjected to very much greater wear and tear, than is other portions of the plastered structure.
  • a corner beads corrugationmade of a strip of metal folded longitudinally upon itself to provide a finishing edge or bead having a narrowed throat, and side wings extending from said throat at substantial right angles for coaction respectively with the right angle surfaces of the wall, each said wing comprising two separated longitudinal wall-engaging portions separated by a perforated outwardly bowed corrugation.
  • a corner bead structure made of a strip folded. longitudinally upon itself to provide a finishing edge or bead having a fold, said bead having a narrow throat and side Wings extending from the throat of said head at substantial right angles for coaction respectively with the right-angle surfaces of a wall formed of brick, each said wing having therein a perforation to receive a nail driven therethrough between two of the bricks of said wall, and each wing having also a slot extending longitudinally to overlie at least one of the spaces between .two other bricks of the wall in any position of the bead with respect thereto determined by the positioning of said perforation over said first space between bricks of the wall,'for purposes described.
  • a corner'bead structure made of a strip folded longitudinally to provide a finishing bead having a narrow throat and wings extending outwardly at right angles from said throat, each wing consistingof two longitudinal wall-engaging portions separated by a perforate outwardly bulged GEORGE S. KNAPP.

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

Description

G. S. KNAPP.
.GORNER BEAD.
Patented Jan. 7, 1913.
G. S. KNAPP.
CORNER BEAD. APPLIGATION IILED JUNE 5, i912.
Patented J an. 7, 1913.
2 SHEETS-SHEET 2.
ZQLZ' mesa/ 5'" UNITED sratrns PATENT carton.
GEORGE S. KNAPP, OF LA Gl tANGE, ILLINOIS, ASSIGNOR 'IO KNAPP BROTHERS MANUFACTURING COMPANY, A CORPORATION OF ILLINOIS.
CORNER-READ.
Specification of Letters Patent. Application filed June 5, 1912. Serial No. 701,806.
To all whom it may concern: Be it known that I, GEORGE S. KNAPP, a citizen of the United States, residingat La| Grange, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Corner-Beads, of which the following is a specification.
My invention relates to im rovements in corner beads, or grounds or plasterers work.
One of. the objects of my invention is v to provide a bead, or straight. line edge, or
. A s ecific object of my invention i'sto pro strip, to be fastened to the corner of a wall to be plastered, thereby to provide a ground, or gage to which theplasterer mayfinish his work and a metallic faced corner to impart strength and durability to this portion of the plastered structure. I
vide, 1n a corner head, or ground, longitudinally corrugated and perforated side wings, each terminating'in fiat marginal nail-re ceiving edges, substantially at right angles to each other, thereby producing a stronger structure than otherwise, and leaving spaces between the perforated, distended, and corrugated portion and the angular'support, or wall, to which the strip is to be nailed, into which the plaster will be keyed.
Another object of my invention is to provide, in a corner bead, alternate, elongated slots, and nail-receiving holes, the formerbeing specially well adapted for use with brick or tile wall structures so that attaching nails may be driven through said slots, into the mortar between the bricks, or tiles, and an occasional nail may be driven through the smaller perforations to prevent longitudinal displacement of the strip.
Other and further objects'of my invention will become readily apparent to persons skilled in the art from a consideration of the following descriptions when taken into con- The strip, orground, is made of a single piece of sheet metal folded longitudinally upon itself to provide, at the juncture of the folded portion, a straight edge forming a ground to which the plasterer may finish his work, at the corners of plastered structures to give the plastered structure a neat and. true line appearance. The folded portion may be formed to a fin, or head, as preferred, from which there extend, at substantial right angles to each other two wings, that are to be attached to the structure to be directly plastered. p
In Sheet 1 the preferred form of bead is illustrated and on Sheet 2 a slight modification is shown. In referring to the two difcharacters to indicate the same parts adding a only the exponent prime to the parts illustrated in Figs. 4, 5 and 6.
:10 is a bead, presenting a rounded transverse outer surface and an elongated straight surface to provide the ground, or gage to which the plasterer may finish his work and further to provide means for straightening the plastered structure at the corners. In
the illustrations, the side wings 11 and 12,
are at ,substant-ial right angles to each other, but when it is desirable to have a thicker coating of plaster, the wings may be drawn toward efach other at a slighter angle and a bead or finishing surface will then be projected farther, from the corner as is well understood in the use of beads in structures of this general character. 'The nail-receiving surfaces 13, and 14, are substantially flatand furthermore they are substantially at right angles to each other,'.when the strip is applied to a substantially square corner.
If the entire strip were flat, between the nail-receiving surfaces, and the fin joining the wings, the plaster 15, would not be held so securely in place, although the formation of the bead, 10, is such, as at 16, as to hold the plaster in place. However, I prefer to corrugate the strip or wings, asat' 17, for two reasons: One of the reasons is that the strip is thereby given greater strength, and when being handled, before it is nailed to the structure, it will not buckle upon itself, and by perforating the corrugated portions, or the portions extending away from the wall, as at 17, the plaster will key through the perforations, such as shown at 18, and will be firmly retained.
Patented Jan. 7, 1913.
,ferent forms I shall use the same reference l in place by that portion of the plaster which will be forced under. the solidportion, as at 19, when the plaster is being applied.
It will be observed that the corrugations 17, are curved gradually from the nailreceiving fiat portions 13, and 14, to the inturned portions 16. These corrugations, however, may be made more abrupt as shown in the modification at 17 In each wing, 11 and 12, in the nail-receiving portions thereof, I provide elongated slots 20, alternating with round perforations 21. These slots are provided so that when the strip is used with a brick or tile wall, the nails may be driven, through the slots into the plaster between the bricks or tiles, and the smaller perforations 21, are
made for insertion of nails so as to preventany longitudinal displacement of the strips,
as a whole. It will not be necessary to insert a nail in each perforation 21, as a nail in an occasional hole, of this character, will be suflicient. Nails 22, are preferably used which have relatively large heads so as to overlie the borders of )the elongated slots.
My improved head has greater strength, due to the corrugations, before and after its application to the wall, and therefore, a head of equal strength may be made of much thinner stock, whereby its value is preserved and its cost of production is greatly reduced, and the strength of the bead, having the corrugations, with a given thickness of stock, is very greatly enhanced. The corrugations also serve as an additlonal means for securing the plaster to the wall, near the corner of the plastered wall where the plaster is subjected to very much greater wear and tear, than is other portions of the plastered structure.
I have shown herein two specific forms of my invention, but it is apparent to per sons skilled in the art, that the invention may take other forms than those shown in the drawings, as, for instance, a" greater number of corrugations ma be used, if necessary or desirable, than t ose shown, and
t it may take still different forms, from the two which I have herein illustrated, without departing from the scope of the appended claims, Y 1
Having thus described my invention-,what I claim as new and desire to secure-by Letters Patentof the'United States is:
1. A corner beads tructuremade of a strip of metal folded longitudinally upon itself to provide a finishing edge or bead having a narrowed throat, and side wings extending from said throat at substantial right angles for coaction respectively with the right angle surfaces of the wall, each said wing comprising two separated longitudinal wall-engaging portions separated by a perforated outwardly bowed corrugation. 1
2. A corner bead structure made of a strip folded. longitudinally upon itself to provide a finishing edge or bead having a fold, said bead having a narrow throat and side Wings extending from the throat of said head at substantial right angles for coaction respectively with the right-angle surfaces of a wall formed of brick, each said wing having therein a perforation to receive a nail driven therethrough between two of the bricks of said wall, and each wing having also a slot extending longitudinally to overlie at least one of the spaces between .two other bricks of the wall in any position of the bead with respect thereto determined by the positioning of said perforation over said first space between bricks of the wall,'for purposes described.
4. A corner'bead structure made of a strip folded longitudinally to provide a finishing bead having a narrow throat and wings extending outwardly at right angles from said throat, each wing consistingof two longitudinal wall-engaging portions separated by a perforate outwardly bulged GEORGE S. KNAPP.
In the presence of W. LINN ALLEN, Mair
US70180612A 1912-06-05 1912-06-05 Corner-bead. Expired - Lifetime US1049733A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524291A (en) * 1968-05-02 1970-08-18 Henry A Rozanski Swimming pool coping
US4852318A (en) * 1988-03-24 1989-08-01 Arthur Anderson Bull nose corner piece
US5669195A (en) * 1994-10-04 1997-09-23 N.V. Bekaert S.A. Wire bead plaster, stucco and the like
US20070119106A1 (en) * 2005-11-25 2007-05-31 Sacks Abraham J Wire corner bead for stucco
US20080041006A1 (en) * 2001-08-20 2008-02-21 Continuous Coating Corporation Drywall bead with knurled paper flaps

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524291A (en) * 1968-05-02 1970-08-18 Henry A Rozanski Swimming pool coping
US4852318A (en) * 1988-03-24 1989-08-01 Arthur Anderson Bull nose corner piece
US5669195A (en) * 1994-10-04 1997-09-23 N.V. Bekaert S.A. Wire bead plaster, stucco and the like
US20080041006A1 (en) * 2001-08-20 2008-02-21 Continuous Coating Corporation Drywall bead with knurled paper flaps
US20070119106A1 (en) * 2005-11-25 2007-05-31 Sacks Abraham J Wire corner bead for stucco

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