US130376A - Improvement in roofings made of felt and cement - Google Patents
Improvement in roofings made of felt and cement Download PDFInfo
- Publication number
- US130376A US130376A US130376DA US130376A US 130376 A US130376 A US 130376A US 130376D A US130376D A US 130376DA US 130376 A US130376 A US 130376A
- Authority
- US
- United States
- Prior art keywords
- felt
- improvement
- cement
- cemented
- roofings
- 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
Links
- 239000004568 cement Substances 0.000 title description 2
- 239000012634 fragment Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 239000010438 granite Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
Definitions
- Our invention relates to the substitution of coarsely granulated or broken fragments of granite, gneiss, or other like hard natural stone for the sea-shore gravel or other rounded pebbles heretofore extensively used as the exterior coating for cemented felt roofing; the object of our invention being to provide a coating for cemented felt in the roofing of buildings that will not be liable to bedecomposed or disintegrated by exposure to the weather, and that will, in consequence of the rough irregular surface and angular form of said granulated or broken fragments of the hard natural stone, be less liable to become detached from the cemented felt and blown granite, gneiss, or other like hard stone,
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Description
UNITED STATES PATENT QFFIOE.
HOWARD KIRK AND JAMES WIN SMORE, JR, OF PHILADELPHIA, PA.
- IMPROVEMENT IN ROOFINGS MADE OF FELT AND CEMENT.
Specification forming part of Letters Patent No. 130,376, dated August 13, 1872.
Specification describing a certain Improvement in Roofing, invented by HOWARD KIRK and. J AMES WINSMORE, J r., of the city of Philadelphia, in the State of Pennsylvania.
Our invention relates to the substitution of coarsely granulated or broken fragments of granite, gneiss, or other like hard natural stone for the sea-shore gravel or other rounded pebbles heretofore extensively used as the exterior coating for cemented felt roofing; the object of our invention being to provide a coating for cemented felt in the roofing of buildings that will not be liable to bedecomposed or disintegrated by exposure to the weather, and that will, in consequence of the rough irregular surface and angular form of said granulated or broken fragments of the hard natural stone, be less liable to become detached from the cemented felt and blown granite, gneiss, or other like hard stone,
chipped off in dressing the stone in quarries and stone-yards, and by means of suitable stamping machinery reduce or granulate them to fragments about the sizes of the sea-shore gravel at present used as the final coating in cemented felt roofing. These granulated fragments we then heat and apply to the ce- 'mented felt in the well-known manner practiced in the production of gravel roofs.
We are aware that sand has been used as the final coating for roofs of cemented felt;
and also that the granulated slag of furnaces has been used for the same purpose; and therefore we do not desire to claim, broadly, the use of rough, angular fragments in the final coating of cemented felt roofing; but what we desire to secure by Letters Patent is confined to the following claim, viz:
We claim as our invention The coarsely granulated or broken fragments of granite, gneiss, or other like hard and durable natural stone, as and for the purpose set forth.
HOWARD KIRK. JAMES WINSMORE, JR.
Witnesses J N0. B. Lonnn, BENJ. MORISON.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US130376A true US130376A (en) | 1872-08-13 |
Family
ID=2199794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US130376D Expired - Lifetime US130376A (en) | Improvement in roofings made of felt and cement |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US130376A (en) |
-
0
- US US130376D patent/US130376A/en not_active Expired - Lifetime
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