US144016A - Improvement in felt roofings - Google Patents
Improvement in felt roofings Download PDFInfo
- Publication number
- US144016A US144016A US144016DA US144016A US 144016 A US144016 A US 144016A US 144016D A US144016D A US 144016DA US 144016 A US144016 A US 144016A
- Authority
- US
- United States
- Prior art keywords
- felt
- improvement
- roofings
- paper
- manufacture
- 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
- 239000011280 coal tar Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 241000042032 Petrocephalus catostoma Species 0.000 description 1
- 229940108066 coal tar Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011286 gas tar Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/12—Roofs; Roof construction with regard to insulation formed in bays, e.g. sawtooth roofs
Definitions
- the felt or paper usually employed in the manufacture of composition roofs is prepared for use by saturating it with coal-tar. This does not make it water-proof, leaves it comparatively soft, so that it can easily be torn, and it rots rapidly.
- paraffine and tar may be varied, as the consistency of both these articles vary; but the compound when cold should be about the consistency of shoemakers wax.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paper (AREA)
Description
UNITED STATES PATENT OFFICE.
EDWARD CHURCHILL, OF ST. THOMAS, CANADA.
IMPROVEMENT IN FELT ROOFINGS.
Specification forming part of Letters Patent No. 144,016, dated October 28, 1873; application filed August 22, 1873.
To all whom it may concern:
Be it known that I, EDWARD CnUnoI-nLL, of the town of St. Thomas, in the county of Elgin and Dominion of Canada, have invented an Improvement in the Manufacture of Roofing Felt or Paper, of which the following is a specification:
The felt or paper usually employed in the manufacture of composition roofs is prepared for use by saturating it with coal-tar. This does not make it water-proof, leaves it comparatively soft, so that it can easily be torn, and it rots rapidly.
In the preparation of felt or paper for this purpose it should be made water-proof. The preparation with which it is saturated should not soften it, and should act as a preservative.
To accomplish this desirable result, I take about three parts of paraffine and one/part of gas or coal tar, and melt them together, and While hot pass thefelt or paper through the mixture, when it will be found to be thoroughly saturated, the pores all well filled, so that it is water-tight, the texture not softened, and not liable to rot.
The proportions of paraffine and tar may be varied, as the consistency of both these articles vary; but the compound when cold should be about the consistency of shoemakers wax.
What I claim as my invention, and desire to secure by Letters Patent, is
As a new article of manufacture, a roofing paper or felt saturated with parafline and coaltar, substantially as herein described.
1 EDWAR. CHURCHILL. v
Witnesses THos. S. SPRAGUE. H. S. SPRAGUE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US144016A true US144016A (en) | 1873-10-28 |
Family
ID=2213429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US144016D Expired - Lifetime US144016A (en) | Improvement in felt roofings |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US144016A (en) |
-
0
- US US144016D patent/US144016A/en not_active Expired - Lifetime
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