US1700561A - Roofing and other sheet and process for making same - Google Patents
Roofing and other sheet and process for making same Download PDFInfo
- Publication number
- US1700561A US1700561A US41818A US4181825A US1700561A US 1700561 A US1700561 A US 1700561A US 41818 A US41818 A US 41818A US 4181825 A US4181825 A US 4181825A US 1700561 A US1700561 A US 1700561A
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- United States
- Prior art keywords
- sheet
- composition
- pitch
- roofing
- tongues
- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like
- E04C2/18—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like with binding wires, reinforcing bars, or the like
Definitions
- This invention relates to metal reinforced pitch fibre composition sheets for roofing and other purposes and to a process for producing the same.
- felted'fibrous pulp and pitch composition with an interv'en-' ing layer or'coating of adhesive is applied to each side of a perforated metal. sheet, preferably perforated by stabbin so that it is providedwith a multiplicity o small projectmg tongues, and the composite body so' formed is subjected to heat and pressure whereby a reinforced composition sheet is produced having high tensile strength and durable ualities rendering it suitable for use for roo ng "and other purposes even in tropical'climates without fear of separation of the composition and its reinforcements under considerable variations in temperature.
- the pitch pulp composition used is preferably prepared according to the process described in United States specification No. 1,511,949, it being understood that the term pitch is used to include natural pitch or bitumen or other forms of pitch suchas coal tar pitch.
- Figures 1 and 2 are, respectively, a plan and sectional elevation showing a fragment .of one form of reinforced composition sheet according to the invention, part of the composition being assumed to be removed.
- Figures 3 and 4 are, respectively, a plan and sectional elevation showing a fragment of another form of reinforced composition sheet according to the invention, part of the composition being assumed to be removed.
- FIG. 5 shows on an enlarged scale and in sectional elevation a small fragment of reinforcing sheet.
- Figures 6 and 7 are respectively a plan and sectional elevation showinga fragment of a further form of reinforced composition sheet according to the invention part of the composition sheet being assumed to be removed
- Figures 8 and 9 are respectively a plan and sectional elevation showing a similar form of reinforced composition sheet to that shown in Figures 3 and 4 but corrugated.
- Figures lO'and 11 are two sectlonal eleva- 'tions on an enlarged scale illustrating a fragment of reinforced composition sheet after being and to heat and heavy pressure.
- Figures 12, 13 and 14 are diagrammatic elevations illustrating suitable forms of apparatus used in succeeding stages of the process.
- a thin steel reinforcing sheet 1 whlch 1s perforated with dies so as to-form holes 2 and projecting tongues 3.
- Any desired shape of die may be used for example such as to produce holes 2 and tongues 3 of the segmental form shown in Figures 1 and 2 or holes 2 and jagged tongues 3 as indicated in Figures 3 to 8.
- the stabbing may be effected from one side of the sheet only, to force out the tongues 3 to one side of the sheet as indicated in Figures 1 to 4, 5,18 and
- the sheet provided with holes 2 and" tongues 3 of whatever form adopted is heated to about 250 C. for instance by passage through a travelling-oven 5, Figure 12, I
- a suitable adhesive is a glue com osed of bitumen, india rubber and shellac, t e bath 6 being heated so as to maintain the glue at a.
- a felted sheet 7, Figure 13, ofk pitch fibre composition preferably a composition of cellulose fibre and a pitch, i. e.- coal tar pitch, bitumen or natural pitch, peptized for instance, as described in the specification No. 1,511,949.
- a second sheet 8 of I similar pitch fibre composition and of similar or different thickness is laid upon the metal sheet 1.
- the sandwich so formed is then lightly pressed for instance by passage through a pair of rollers 9, 9, the pressure being sufficient to force the composition sheets 7, 8, into close contact withthe glue coating 10, Figure 10, to embed the tongues 3 in the composition, and to press the com position into the holes I
- the lightly pressedreinforced composite heavy pressure for instance, it is passed through an oven 11, Figure 14, and from thence into a hydraulic press 12.
- a method of producing a reinforced sheet I 20 for roofing and like purposes consisting in providing a thin metallic plate formed with a plurality of openings and tongues projecting from the plate and surrounding the openings, subjecting the plate to the action of heat, applying adhesive to both sides of the heated plate, applying a felted sheet of fibrous pulp and pitch to each side of the adhesively covered plate, subjecting the plate and felted sheet to light pressure to insure an intimate contact between the adhesive and felted sheet and embed the tongues into the felted sheet, and then subjecting the reinforced sheet successively to heat and pressure 'sufliciently. heavy to materially reduce the thickness of the sheet, force the material through the holes of the metal sheet and bend the projecting tongues into the felted sheet.
Description
Jan. 29, 1929.
F. J. COMMIN ET AL ROOFING AND OTHER SHEET AND PROCESS FOR MAKING- SAME J y 1925 2 Sheets-Sheet 1 IIIIIIIII Jan. 29, 1929. 1,700,561
F. .1. COMMIN ET AL ROOFING AND OTHER SHEET AND PROCESS FOR MAKING SAME Fil y 1925 2 Sheets-Sheet 2 Firzzwzzg I iffy Patented Jan. 29, 1929.
, UNITED .s ATEs PATENT o FIcE.
FREDERICK JAMES COMMIN, OF WESTMINSTER, LONDON, ARTHUR HENRY J'AMES WRIGHT, OF HIGHAM, ENGLAND.
:aoormo AND OTHER SHEET Am r ocEss Fort MAKING SAME.
Application filed) July 6, 1925, Serial No. 41,818, and in Great Britain April 4, 1925.
- This invention relates to metal reinforced pitch fibre composition sheets for roofing and other purposes and to a process for producing the same.
According to the invention felted'fibrous pulp and pitch composition with an interv'en-' ing layer or'coating of adhesive is applied to each side of a perforated metal. sheet, preferably perforated by stabbin so that it is providedwith a multiplicity o small projectmg tongues, and the composite body so' formed is subjected to heat and pressure whereby a reinforced composition sheet is produced having high tensile strength and durable ualities rendering it suitable for use for roo ng "and other purposes even in tropical'climates without fear of separation of the composition and its reinforcements under considerable variations in temperature.
The pitch pulp composition used is preferably prepared according to the process described in United States specification No. 1,511,949, it being understood that the term pitch is used to include natural pitch or bitumen or other forms of pitch suchas coal tar pitch.
In the accompanying drawings Figures 1 and 2 are, respectively, a plan and sectional elevation showing a fragment .of one form of reinforced composition sheet according to the invention, part of the composition being assumed to be removed.
Figures 3 and 4 are, respectively, a plan and sectional elevation showing a fragment of another form of reinforced composition sheet according to the invention, part of the composition being assumed to be removed.
- Figure 5 shows on an enlarged scale and in sectional elevation a small fragment of reinforcing sheet.
Figures 6 and 7 are respectively a plan and sectional elevation showinga fragment of a further form of reinforced composition sheet according to the invention part of the composition sheet being assumed to be removeda Figures 8 and 9 are respectively a plan and sectional elevation showing a similar form of reinforced composition sheet to that shown in Figures 3 and 4 but corrugated.
Figures lO'and 11 are two sectlonal eleva- 'tions on an enlarged scale illustrating a fragment of reinforced composition sheet after being and to heat and heavy pressure.
subjected respectively to light pressure 9 sheet so formed is then subjected to heat and Figures 12, 13 and 14 are diagrammatic elevations illustrating suitable forms of apparatus used in succeeding stages of the process.
In one mode of carrying out the inven-' tlon a thin steel reinforcing sheet 1 is used whlch 1s perforated with dies so as to-form holes 2 and projecting tongues 3. Any desired shape of die may be used for example such as to produce holes 2 and tongues 3 of the segmental form shown in Figures 1 and 2 or holes 2 and jagged tongues 3 as indicated in Figures 3 to 8. The stabbing may be effected from one side of the sheet only, to force out the tongues 3 to one side of the sheet as indicated in Figures 1 to 4, 5,18 and The sheet provided with holes 2 and" tongues 3 of whatever form adopted is heated to about 250 C. for instance by passage through a travelling-oven 5, Figure 12, I
and after passage through the oven is immersed in a bath 6 of molten adhesive. A suitable adhesive is a glue com osed of bitumen, india rubber and shellac, t e bath 6 being heated so as to maintain the glue at a.
temperature of about 300 C.- The metal' sheet is removed and excess glue is allowed to drain off, the sheet being kept at a temperature sufficient to prevent thickening of the glue, for example, the sheet after removal from the bath may be held bath until the excess glue sheet 1 so coated with glue on both sides is on edge over the has run off. The
then laid upon a felted sheet 7, Figure 13, ofk pitch fibre composition, preferably a composition of cellulose fibre and a pitch, i. e.- coal tar pitch, bitumen or natural pitch, peptized for instance, as described in the specification No. 1,511,949. A second sheet 8 of I similar pitch fibre composition and of similar or different thickness is laid upon the metal sheet 1. The sandwich so formed is then lightly pressed for instance by passage through a pair of rollers 9, 9, the pressure being sufficient to force the composition sheets 7, 8, into close contact withthe glue coating 10, Figure 10, to embed the tongues 3 in the composition, and to press the com position into the holes I The lightly pressedreinforced composite heavy pressure, for instance, it is passed through an oven 11, Figure 14, and from thence into a hydraulic press 12.
.'The heavy pressure considerably reduces the thicknessof the pitch fibre composition sheets 7 8, forcing the composition into the holes so that the composition therein from the sheets 7, 8, becomes practically homogeneous, and the tongues 3 are somewhat flattened so that they form staples as it were, firmly gripping the composition, and a very firm adhesion results between the glue and metal and between the glue and composition so that a strong composite sheet is produced capable of resisting changes in temperature and variable weather conditions in practically any climate.
A method of producing a reinforced sheet I 20 for roofing and like purposes, consisting in providing a thin metallic plate formed with a plurality of openings and tongues projecting from the plate and surrounding the openings, subjecting the plate to the action of heat, applying adhesive to both sides of the heated plate, applying a felted sheet of fibrous pulp and pitch to each side of the adhesively covered plate, subjecting the plate and felted sheet to light pressure to insure an intimate contact between the adhesive and felted sheet and embed the tongues into the felted sheet, and then subjecting the reinforced sheet successively to heat and pressure 'sufliciently. heavy to materially reduce the thickness of the sheet, force the material through the holes of the metal sheet and bend the projecting tongues into the felted sheet.
names to this specification.
FREDERICK. JAMES COMMIN. ARTHUR HENRY JAMES WRIGHT.
In testimony. whereof we have signed our
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1700561X | 1925-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1700561A true US1700561A (en) | 1929-01-29 |
Family
ID=10888699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US41818A Expired - Lifetime US1700561A (en) | 1925-04-04 | 1925-07-06 | Roofing and other sheet and process for making same |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1700561A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2772757A (en) * | 1952-11-19 | 1956-12-04 | Hammond Gordon | Structural material |
| US2796457A (en) * | 1952-06-23 | 1957-06-18 | Walter E Stinger | R-f gasket for radio interference attenuation |
| US4627207A (en) * | 1978-03-02 | 1986-12-09 | W. R. Grace & Co. | Fastener for securing roofing material to cementitious roof decks having removable tab |
| US4641472A (en) * | 1978-03-02 | 1987-02-10 | W. R. Grace & Co. | Fastener for securing roofing material to cementitious roof decks having removable tab |
| US4641471A (en) * | 1978-03-02 | 1987-02-10 | W. R. Grace & Co. | Fastener for securing roofing material to cementitious roof decks |
| US20100126152A1 (en) * | 2003-05-30 | 2010-05-27 | Emitec Gesellschaft Fur Emissionstechnologie Mbh | Metal sheet having a microstructure relieved of notching, carrier body having a plurality of sheets, and exhaust system having the carrier body |
-
1925
- 1925-07-06 US US41818A patent/US1700561A/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2796457A (en) * | 1952-06-23 | 1957-06-18 | Walter E Stinger | R-f gasket for radio interference attenuation |
| US2772757A (en) * | 1952-11-19 | 1956-12-04 | Hammond Gordon | Structural material |
| US4627207A (en) * | 1978-03-02 | 1986-12-09 | W. R. Grace & Co. | Fastener for securing roofing material to cementitious roof decks having removable tab |
| US4641472A (en) * | 1978-03-02 | 1987-02-10 | W. R. Grace & Co. | Fastener for securing roofing material to cementitious roof decks having removable tab |
| US4641471A (en) * | 1978-03-02 | 1987-02-10 | W. R. Grace & Co. | Fastener for securing roofing material to cementitious roof decks |
| US20100126152A1 (en) * | 2003-05-30 | 2010-05-27 | Emitec Gesellschaft Fur Emissionstechnologie Mbh | Metal sheet having a microstructure relieved of notching, carrier body having a plurality of sheets, and exhaust system having the carrier body |
| US7968208B2 (en) * | 2003-05-30 | 2011-06-28 | Emitec Gesellschaft Fuer Emissionstechnologie Mbh | Metal sheet having a microstructure relieved of notching, carrier body having a plurality of sheets, and exhaust system having the carrier body |
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