USRE16831E - makowski - Google Patents

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Publication number
USRE16831E
USRE16831E US16831DE USRE16831E US RE16831 E USRE16831 E US RE16831E US 16831D E US16831D E US 16831DE US RE16831 E USRE16831 E US RE16831E
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Prior art keywords
lath
studs
strips
plaster
lathing
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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
    • E04F13/045Means for fastening plaster-bases to a supporting structure

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  • This invention relates to improvements in partition wallsand particularly to that type commonly installed in class A buildings.
  • the main fire proof 6 walls floors and ceilings are put up in usual form and-then the partition or division walls are built in place as desired to make the rooms within the building.
  • FIG. 1 is a fragmentary view of a wall and ceiling. in perspective showing my improved construction.
  • Fig. 2 is a perspective view of a clip for securing my lathing to the channel irons.
  • Fig. 3 is a perspective view of a clip used for fastening the lath together at the joints thereof between the channel iron studs.
  • the numeral 1 designates the channel iron studs Which are positioned and fastened between the floor and ceiling where the wall is to be built or suspended from suitable supports 2 where-my lathing method is carried into the ceiling.
  • the essential element of my invention is the plaster lath used andthe method of installing and supporting it relative to the channel iron studding.
  • the lath which I propose to use is that made of so-called plaster wall board or the like.
  • the particular type of board preferred is that wherein a center core of-plaster 3 is rolled between surface sheets 4.
  • This board when made is approximately three eights of an inch thick and is substantially inflexible when out into laths of six t6 eight feet in lengthand one half foot to a foot and a half wide.
  • a key surface 5 such as gravel or the like, as for instance of that type shown in my Patent N 0. 1,505,399, dated August 19th, 1924.
  • the strips of lath made as above are secured to the studding 1- in the following "The flat of the lath is set against a plurality'of the studs at oints' intermediate the ends of the lath. he lath thus set is clinched to the studding bymeans of prongs 6' on a clip plate 7. These rongs fit on each side of t e studding andl) laths. The prongs are bent up and down respectively so that they may be slipped over the lathto hold it against the studding.
  • inflexible laths are fastened to the rigid studs at points intermediate the endsof such laths and that the free ends of the laths are each clipped together and the laths'of one 'row are clipped to the edge of the other inflexible laths at points intermediate the offset ends of the latter, the whole lathsupport for the plaster of the walls and ceiling "becomes substantiall a .solid inflexible wall in itself which w' not flex-or bul' e either while the plaster is being adhered t ereto or after the wall or ceilin is completely finished.
  • V lat eliminates vertical fractures in the wall pwmg to its broken or offset joint construc- 1on. Owing to its being placed on the outside face of metal studdingit gives one inch addi -metal studding without overlapping joints t tional pipe space in a four inch hollow cor- I l ndor partition. 7
  • a lathing structure for plaster walls comprising supporting studs lathing strips laid across the front faces otthe studs and The fills the objects of overlapping the same so that the free ends of adjacent strips meet at points between and unsup orted by a stud, means for securing such ee meeting and unsupported ends to- 0 gether, and means securing the strips in place against the faces of the studs.
  • a lathing' structu re for plaster walls comprising supporting studs, rows of lathing strips laid across the front facesof the 1b studs, the strips of each row overlapping the studs so that the free ends of the adjacent strips in each row will meet at points between and unsupported by a stud, the joints between meeting ends of the strips in 1! one row being ofl'set with respect to those in an adjacent row," and a common element fastening a pair of meeting ends of the strips in one row to each-other and to'the horizontal edge of the strip in the adjacent row;
  • a lathing structure for plaster walls comprising supporting studs, lathing strips laid across the front faces of the studs, and
  • a lathing structure for plaster walls comprising supporting studs, lathing strips crossing the same at right angles thereto,

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

Description

Dec 27, 1 .1. r. MAKOWSKI Re 1 LATHING STRUCTURE FOR PLAST ER WALLS Original Filed-Ju1y2 1925 INVENTOR John F. Malcowsk i/ gmsm ATTORN EY Reissued Dec. 27, 1927.
' UNITED STATES v Re. 16,831 PATENT OFFICE.
JOHN MAKOWSKI, F STOCKTON, CALIFORNIA, ASSIGNOR, BY MESNE ASSIGNMENTS, TO FIRE PROOF WALL COMPANY, OF RENO, NEVADA, A CORPORATION.
LATHING STRUCTURE FOR PLASTER WALLS.
Original No. 1,579,377, dated April 6, 1926, Serial No. 40,988, filed July 2, 1925. Application for reissue filed November 12, 1927. serial K612329265.
This invention relates to improvements in partition wallsand particularly to that type commonly installed in class A buildings. In this type of building the main fire proof 6 walls, floors and ceilings are put up in usual form and-then the partition or division walls are built in place as desired to make the rooms within the building.
In the interest of space saving it is neces- 10 sary that these partition walls be as narrow as possible, usually two inches solid con necting partition walls and four inch hollow corridor partitions, and at the same time.
they must be strong and fire proof.
It is now the usual custom to erect these partition walls as follows V.
Small channel iron studs about three quarters of an inch wide by three-eighths of an inch thick are inserted between the floor and 2 ceiling and suitably anchored. Sheets of expanded metal lath are then fastened to the vertical channel irons, and plastered over. Where the metal lath is thus used, it is necessary, in order to make the wall strong enough, that the joints of the lath be made at the channel iron in order that they may be properly supported. If the joints were made between the studs the metal lath would be inclined to flex or bulge at such joints, which would be fatal either in erecting or maintaining the wall.
In tying the metal lath together and to the studs the wire ties are placed about six inches apart and it requires the services of very experienced men to accomplish a good days work in placing the lath. This renders the work slow and expensive. It is to overcome these difiiculties and to secure other advantages, to be hereinafter carried out into the ceiling structure, as will appear frornthe following description.
I carry out the'concept of the invention by,
the construction and relative arrangement of parts as set forth in the drawings, and here-- inafter described and claimed.
' In the drawings similar characters of reference indicate corresponding parts in the several views.
manner 1- Referring now to the drawings:
- Fig. 1 is a fragmentary view of a wall and ceiling. in perspective showing my improved construction.
Fig. 2 is a perspective view of a clip for securing my lathing to the channel irons.
Fig. 3 is a perspective view of a clip used for fastening the lath together at the joints thereof between the channel iron studs.
Referring now more particularly to the characters of reference on the drawings, the numeral 1 designates the channel iron studs Which are positioned and fastened between the floor and ceiling where the wall is to be built or suspended from suitable supports 2 where-my lathing method is carried into the ceiling.
The essential element of my invention is the plaster lath used andthe method of installing and supporting it relative to the channel iron studding. v
The lath which I propose to use is that made of so-called plaster wall board or the like. The particular type of board preferred is that wherein a center core of-plaster 3 is rolled between surface sheets 4. This board when made is approximately three eights of an inch thick and is substantially inflexible when out into laths of six t6 eight feet in lengthand one half foot to a foot and a half wide.' On the surface of such laths is a key surface 5 such as gravel or the like, as for instance of that type shown in my Patent N 0. 1,505,399, dated August 19th, 1924. v
The strips of lath made as above are secured to the studding 1- in the following "The flat of the lath is set against a plurality'of the studs at oints' intermediate the ends of the lath. he lath thus set is clinched to the studding bymeans of prongs 6' on a clip plate 7. These rongs fit on each side of t e studding andl) laths. The prongs are bent up and down respectively so that they may be slipped over the lathto hold it against the studding.
The laying of the flat strip of lathing across the face of the studs and there fastening it as shown, leaves the free ends of the stri' to terminate at any point irrefiective of t e studs. Then the next succeeding strip is laid across and fastened to the succeeding studs with itsend butted against the adjacent etween adjacent w a "relatively inflexible lath mem "cent rows, lath boards are able end of the other strip in the same plane so that when the lath structure is complete the aggregation of strips present a plane surface with no overlaps or projections. In the course of construction the butted vertical side of one of the joints 8, while the channels 9 engage the edge of the lath in the next row below or above the same at some point intermediate the ends of such'lath.
inflexible laths are fastened to the rigid studs at points intermediate the endsof such laths and that the free ends of the laths are each clipped together and the laths'of one 'row are clipped to the edge of the other inflexible laths at points intermediate the offset ends of the latter, the whole lathsupport for the plaster of the walls and ceiling "becomes substantiall a .solid inflexible wall in itself which w' not flex-or bul' e either while the plaster is being adhered t ereto or after the wall or ceilin is completely finished.
Attempts to use lat s of plaster board in the type of wall described have heretofore made. They all failed ofv commercial 7 success'however since they involved the principle of placing widths of plaster board be- 'tween the studsand joining the edges of the same to the studs. This method with wall board plaster lath is just as hard of accomplishment and as much or more expensive as i the method used with metallath.
The principal mechanical advantages ained by mynew construction are that b t e connection of ad'acent lath ends to each other, and likewise t e clippingof edges of ers in adjato be placed across and fastened against the face of the orp'rojections as indicated, thereby having the following results:
It makes a smooth plastering surface.v
It reinforces artitions or ceilings for the reason that each lath board lies across and is fastened to several studs. V lat eliminates vertical fractures in the wall pwmg to its broken or offset joint construc- 1on. Owing to its being placed on the outside face of metal studdingit gives one inch addi -metal studding without overlapping joints t tional pipe space in a four inch hollow cor- I l ndor partition. 7
using my improved structure-,itiis unnecessarytopay any plarticular attention to t us p s s N a stud and ikew readily seen that they may be spaced a eater distance apart than where metal lath is used, whereas in the use of metal lath the studs must be accurately spaced and relatively much closer together on account of the flexibility of the that its finished work is cheaper for the reason that it takes three 'coats of plaster. to
' finish metal lath, whereas two coats is all that It will thus appear that since the relative.
and before any laster is applied thereon is" in the same oon tion as the metal lath after .this expensive scratch coat has been applied.
'A laster lath partition is also more soundproo? thana metal lath partition owing to the fact that it has two paper facing sheets.
,As already stated, in the metal lath partition the wire ties are made about six inches apart and it takes a very experienced man to accomplish a good days work on metal lath. On plaster lath only half this number of ties are necessary on account of the rigidity of theplast'er board itself and as the ties are made out of metal already formed it is easier to place one, single metal clip on plaster lath than to make a wire tie on metal lath, thus reducin both the number of ties required and also t e labor of applicaion. From the foregoing description it will be I have roduced such a devlce as substantially ful the invention as set forth herein. 7
While this specification sets forth in detail the resent and preferred construction of the evice, still in practice such deviations from such detail may be resorted ta as do not form a departure froin the spirit of the invention, as defined b the appended claims. Having thus descri ed my mvention what 0 him as new and usefuland desire to secure; by Letters Patent is: 1. A lathing structure for plaster walls comprising supporting studs lathing strips laid across the front faces otthe studs and The fills the objects of overlapping the same so that the free ends of adjacent strips meet at points between and unsup orted by a stud, means for securing such ee meeting and unsupported ends to- 0 gether, and means securing the strips in place against the faces of the studs.
2. A lathing' structu re for plaster walls comprising supporting studs, rows of lathing strips laid across the front facesof the 1b studs, the strips of each row overlapping the studs so that the free ends of the adjacent strips in each row will meet at points between and unsupported by a stud, the joints between meeting ends of the strips in 1! one row being ofl'set with respect to those in an adjacent row," and a common element fastening a pair of meeting ends of the strips in one row to each-other and to'the horizontal edge of the strip in the adjacent row;
20. and means for securing the strips in place against the faces of the studs.
3. A lathing structure for plaster walls comprising supporting studs, lathing strips laid across the front faces of the studs, and
$5 overlapping the same, and means whereby the strips may be secured in place against such faces of the studs at whatever point they may chance to be laid thereagainst.
4. A lathing structure for plaster walls comprising supporting studs, lathing strips crossing the same at right angles thereto,
clips embracing the studs and having prongs projecting over the edges of the strips where they cross the studs, the prongs being bent into engagement with the strips at such crossin points to clamp the strips against the stu s. In testimony whereof I aflix my signature.
JOHN F. MAKOWSKI.
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