US836885A - Metallic construction. - Google Patents

Description

PATENTED NOV. 27, 1906.

A. J. MALMBBRG. METALLTO CONSTRUCTION.

APPLICATION FILED JULY 14. 1906.

3 SHEETS-SHEET 1- PATENTBD NOV.27, 1906.

A. J. MALMBERC. METALLIC CONSTRUCTION.

APPLICATION FILED JULY-14, 1906.

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111g 55 ,zo yb Streuung PATENTED NOV. 27, 1906.

A. J. MALMBERG. METALLIC CONSTRUCTION.

APPLICATION FILED JULY 14. 1906.

3 SHEETS-SHEET 3.

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UNITED- STATES PATENT minion.A

Specicationof Letters Patent.

Patented Nov. 27, 1906.

Application and July 14, 190e. sum1 No. 926.180.

To a/ZZ who't vit may concern.-

Be it known that I, ARvID J MALMBERG, a subject of the ,King of Sweden, residing at Jamestown, in the county of .Chautauqua and State ofNew York, have invented a new -and useful Im rovement in'.Metallic Construction, of W ,'ch the following, taken in vconnection with the Vaccompanying drawings, l

is a full, clear, and exact description.

The invention relates to sheet-metal construction, and particularly to metallic doors and casings; and the objects of the improvement4 are, first, to provide a door formed of 3 is a sectional view at line U admitting the overrails and overstiles and two pieces andf means Within the door for connectively retaining said pieces; second, to provide a sim le and convenient means for dividing the oor into d'panels andfor at-` tachingthe molding; thir to provide overstiles and overrails for extra strong iireproof construction, said overstiles and overrails forming y a convenient means for lholding sheet-asbestos'xrmly in outer 'andinner stiles an rails, which, with heavy sheet-asbestos between the two parts of the panel, make a complete covering of asbestos within the sheet metal for the entire door, and, -fourth,jto provide acasing for the door which is held at the comer-joints in the saine manner as the retaining-joints of the door andmay have sheet-asbestos between the outer and-inner sheet-metal casings.

In the drawin s, Figure 1 is an elevation of a sim le form o door and casing. Fig. 2 is an e ewise view of the door, showing the openings therein for admittin the tool. Fig. .in Fig. 1 of an extra covered reproof door. Fig. 4' is .a sectional view'at line- V V in Fig. 1 of an extra covered iireproof door. Fig. 5 is a sectional yiewof an extra covered casing at 'line W'W 1n Fig. 1. Fig. 6 shows sectional and edgewise views of a sin le-thickness door-corner,

showing the application of the clamping means to a mitered door-corner. Fig. 7 is a detail ofthe -method of attaching the'inner edges of `the top and bottom overrails tothe panel; Fig. 8 is a plan view-of the sheet-V metal halfof the door, showing the slots for the cleats on the gjaiels for holding the inner g. Fi 9 is a-sectional the sin'gleethicknessdoor placed in proper position 'to forml a'hollow stile.v Fig. 10 1s a' sectional view at line Y Y in Fig. 8 of'the'inner-thickness door, showingthe two halves lace between the with edges abutting and slots for admitting the ov'erstiles and overrails. sectional view at line X X in Fig. 8, showing the single-thickness door with the two halves in position and showing the elevation 'of the Fig. 11 is a.

channel-clamping plate and the edge of the asbestos between the panels. Fig. 12 isa sectional view of the single-thickness door with 'a simple modification of the molding around the anel. Fig. 13 is a sectional view of the slngle-thickness door` at line V V in Fig.. 1, showing the anel-clam ing ieces for holding the two ha ves ofthe oor ml together. Fig. 14 is a planview ofthe pane e door, showing the use of cleats and panelmolding for middle rail and middle stile or montant. Fig. 15 is a sectional view at line T T in Fi 14. Fig. 15 is a sectional view of a mod' ed construction.' Fig. 16 is a sectional view'at line T T in Fig. 14 showing the modification of my construction in which the sltiles are not struck up on the halves of the oor.

Similar numerals refer to corresponding parts in the several views.

The numeral 10 indicates the sheet-metal 'half of the door, the division being made Jaround the edge of thedoor. In a singlevthickness door the edges preferably lap the entire Width of the edge of the door, so that l they may be fastened to one another by means of solder or rivetsfas desired. For the eXtra-thickness fireproof door the division is preferably made mldway of the edge, so that l the` halves can be placed with edges abutting,

and thereby form a smooth edge for covering -with the asbestos and overstiles. Each half l"is struck up from one piece of sheet metal, so

as to form -in `each piece one-half of the Stiles cross-rail 12, the bottom crossrail 13, an the central anel 14.

The sim lest form o my door is madeas follows:y T e ends of the cross-,rails 12 and 13.`

and the side of the stiles 11 adjacent to said ends are' turned inwardly, so as to form a lilange 1 6, preferably on both parts, as shown Inturned flanges 16 are secured place by means of these channel clampingpieces within the'dplor. In order to insert screw-bolts .23, openings `24 are provided 1n vthe edges of the door, which openin s are IOO channelf clam ing-pieces 22 and screw- .bolts 23, thus hol 'ng the two sides firmly in IIO eted to panel 14. The edge ofthe molding is hooked underneath cleats 17, as shown. For the simpler form of molding 19, as shown in Fig. 12, the inner edge is hooked Ibeneath the cleat 17 and the outer edge is turned inwardly against' the stile and secured by a screw from inside the stile, which screw may be inserted before the halves of the door are put in place. It is apparent, however, that W hen it is desired to make a door with a num'' the cleats 17 if the cleats 17 extended clear' up to the raised stile. Accordingly the cleats 17 are placed so that there is a space between the ends of the cleats and" the raised ystile 1 1, as shown in dotted line in Fig. '14. The sheet metal is sufficiently stifl' to hold-the inner edge in place for this short space without the cleats 17.

Itis apparent thatthe turning-incr the ends of the cross-rails and the adjacent edges of thestiles forms a cut or slot in 'the sheet metal half 10 and that this cut may be" pressed together, so that the samev'may'be made flush in linishing overthe same, and thus give a smooth appearance t0 the outside of the door in the simple form of door, as

tween the flanges 16 isl vsimply widened to make the slot 15 for the insertion of the 'overstiles 18 and overrails 10, and 13.

In order to give' extra strong tection, slots 15 are widened in halves 10 between the ends 'of the cross-rai'ls and the stiles at each end of the door, the edge of the* stiles being turned Vin an'inward flange 16; Cleats 17 are riveted 'lengthwise of panel 14 just inside of stiles 1'1.

, halves 10 are placed with abutting edges and an outer cover 18 .for the'stiles, which I have calledy an .overstile", is then slipped onto stile 1 1. Overstile 18 is formed with a molded inner edge 19 the length of panel 14- and;

has inturned edges which' hook underneath' cleats 17 as the overstile is slipped into place,

thereby firmly holding the inner edges of the overstile on eachv side of-the 4door the full' length of panel 14. The edgesof Athe over'- stile 18 opposite the-ends of cross-rails 12 and' 13 are turned inwardly through slots 151 Overrai'ls 2()A are provided for'cross- rails 12 and 13.' The ends 21 of the overrails are turned inwardly through vslots 15,' as shown in Fig. 4. The inturned flanges'21 and 16 of the overst-ile and the `halfdoor 10 iare 'then'v 20, as shown in Figs.'8,

fireproof pro- The two sheet-metal securely held by means of channel clampingirons 22 on each side of the flanges and screwbolts 23. The ohannel-irons 22 preferably extend` 'the length of the slots 15, and the openings 24 in the edges of the door are provided in the overstile the same as in the simple form of door, as above described.

The `inner edges of overrails 20 may usually be held beneath the cleats 17, as above der scribed, only the cleats do not extend entirely across the distance -betweerrthe stiles. AIn some forms of doors, however, itis desirable' to provide another holdin means for the inner edges 25 of the overrai s, as in the case of so short a rail that 'the metal cannot be sprung down beneath 'the cleats 17. For' such cases cross-bars 26 and 2,7 are inserted within molding 25,' (see Fig..'7,) the-cross-bar 27 having threaded `'openings therein.v rPhe small screws 28 are then inserted through the molding and bar 26 at one side and screwed into lengthwise bar I271 After setting the screw firmly to yplace the head of screw' 28 'is polished down=even with the surface of molding 251 so that it does not show and makes a smooth finish-for the molding,I as well as a solidholdin'g means for the two inner edges of the overrail'20. A sheet of asbestos 29 is slippedr betweenthe'inner stile 1-1 and the'outer stile 18 as the outer stile is slipped into place, thereby comy pletely hovering the outer and inner edges of the door; 'Like sheets are also providedbetween the outerand inner cross-rails and a sheet is also inserted 'between the two parts ,of panel 14, thereby providingail-asbestos covering within the doorl over its entire v'surface, the overstiles and' rails holding' thesheet-asbestos firmly in place, so that it cannot slip or work t'o one side and leave any part of sheet-metal door unprotected- IOC vIt is ofttimes' desirable to form doors with'small panels by means of middl'ef'stiles 84 and rails 85 with cleats 1.7,A and for this vpurpose it is often more convenient-to form the: two halves 10 flat and place them paral-' a lel, as shown at'36 inthe modifiediform" shown in Fig. 16.` Itis apparent that thel middle rail and Stilescan beslip'pedonto this form with' perfect' ease and that thefover-A stille 18 willbe'held in place by cleats' 17 lA smallrivet 37 may be'inserted through theA outer edge of the overstile. "and inner half -1'0 in order-'to holdthefparts in place with great firmness, so that they cannot give; Thisis not vusually foundV necessary," however, if the inner partl is pressed firmly against the overrail.

It is apparent that the slotsat each corner of the door `may be cut on a miter' andpractical method of construction for the sheet metal door-easing 30, the mitered'c'or= ners Sl'being turned inwardly and held by clamping-pieces 22, as shown in Figs. 1 and 5. Also an overcasing 23 may be provided andV sheet-asbestos 29 placed between the outer and inner' casing, thereby completely protecting the door and the casing with tireproof material.

Channel-irons 22 usually fit sufficiently close at the sides to press the sheet metal firmly to place. It would not depart from my invention to insert rivets 33, as shown in Fig. 13, through the lflanged edges of the clamping channel-irons and the adjacent sides, thereby holding all parts firmly in place. All such rivet-heads and joints are covered by the enameled `finish which is used on such metallic construction. This method of construction forms a' convenient manner of finishingsheet-bronze doors with the allmetal finish, the joints being made flush and the clamping means being entirely out of sight within the door.

I claim as new- '1. In hollow metallic construction for doors and the like, oppositely-placed sheetmetal parts having oppositelyinturned ianges thereon, and clamping-piecesfor said oppositely-placed flanges between said parts to unite the same.

2. In metallic construction, a door comprising two halves, each struck up from a single sheet of metal to form semistiles and rails and connecting-panels, inturiied lips on each of said halves, and clamping means for said lips between said halves to unite them in a door.

In metallic construction, a door comprising two struck-up sheet-metal halves dividing around the edge of the door, inturned flanges on each of said halves, and clampingpieccs for said [langes between said halves.

4. In metallic construction, a door comprising two sheet-metal halves dividing around the edge of' the door', said halves struck yup to form stiles and rails, and connecting-panels, the ends of said rails and the Y 6. In metallic construction, a door comprising two sheet-metal halves dividing around the edge of the door, each of said halvesstruck up to lorm semistiles and rails, and sheet-metal overstiles and overrails extending around said divided edges to bind them to, ;ether.

7 In metallic construction, a door comprising two sheet-metal halves struck up with stiles and rails, and slots betweenthe ends of said rails and the stiles, overstiles and overrails having projections into said slots, and means for holding said projections Within the door.

8. In metallic construction, a door comprising two sheet-metal halves struck up with stiles and rails and slots between the stiles and the ends of said rails, overstiles and cverrails having projections in the said slots, and. clamping-pieces within the door to hold said projections. n

9. In metallic construction, a door comprising two sheet-metal halves struck up with stiles and rails, and slots between said stiles and the ends of said rails, overstiles and overrails projecting into said slots, sheet-asbestos between said halves and said outer and inner rails and Stiles, and holding means within the door for said projection.

10. In metallic construction, a door comprising two 'sheet-metal halves struck up with stiles and rails having slots between said Stiles in the ends of said rails overstiles and overrails with flanged inserts in said slots, and channel clamping-pieces and screwbolts-within said door to hold said iianged inserts.

11. In metallic construction, a door, cleats on said door, and molding slidably engaging beneath said cleats to form a panel.

12. In metallic construction., a door, spaced cleats on said door, and molding having inturned edges to h'old under said cleats and form panels. l

13. In metallic construction, a door, cleats on said door, and stiles and rails having lipped edges to hold under said cleats and form panels.

14. In metallic construction, a door, spaced cleats on said door, stiles and rails having lipped edges to hook under said cleats, and middle rails and montants having double-lipped edges to hold under said cleats and form a plurality of panels.

sitcly-placed plates to form the sides o the door, strips attached to said'plates, having raisededges and stile and rail moldings having lipped edges to hook under said strips and form panels.

16. In metallic construction, a door comprising two sheet-metal halves struck up with stiles and rails and panels, cleats on said panels adjacent to said stiles, said halves having slots between said stiles and the ends of said rails, overstiles having inturned edges engaging said cleats and projections in said slot, overrails having projections in said l slots, and channel clampingieces and screwbolts within said halves to tions.

17. In metallic construction, a door comprising two sheet-metal halves struck u with stiles and rails, overstiles andoverrai s old said projec- IOO I l O 1.5.` In metallic construction, a door, o poformed with inturned lips, a. bar Within said lips on each side of said door, and screws engaging said bars to clamp said inner edges.

18. In metallic construction, a. jamb substantially U-shaped lhaving inwardly-projecting anges at their. upper ends, a. lintel substantially U-shaped having nwardlyprojecting ienges at each end, channel-iron -clamping-pieces Within said lintel and j ainbs each side Of said anges, and screw-bolts to hold said channel-irons.

19. In metallic construction, avjamb substantially U-sl1a.ped7 a lintel substantially U- tial y U-shaped having inwardly-projecting I5 flanges at'the connecting-joints,v and sheet l sbestos between said outer and inner lintels end jambs, and clamping-pieces to hold'said 'flanged inserts.-

Intestnnony whereof I have signed my zo name to this specicetion in the presence of two subscribing Witnesses. l

1 ARVID J MALMBERG.

VVltnesses HJALMAR MALMBERG, A.- W. KETTLE.

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