GB257303A - Improvements in tubular fibrous wall plugs - Google Patents
Improvements in tubular fibrous wall plugsInfo
- Publication number
- GB257303A GB257303A GB8316/25A GB831625A GB257303A GB 257303 A GB257303 A GB 257303A GB 8316/25 A GB8316/25 A GB 8316/25A GB 831625 A GB831625 A GB 831625A GB 257303 A GB257303 A GB 257303A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lubricant
- strands
- paper
- tubular
- mandrel
- 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
Links
- 239000000314 lubricant Substances 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- 239000004519 grease Substances 0.000 abstract 1
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 235000011837 pasties Nutrition 0.000 abstract 1
- 239000004753 textile Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/14—Non-metallic plugs or sleeves; Use of liquid, loose solid or kneadable material therefor
Abstract
257,303. Rawlings, J. J., and Rawlplug Co., Ltd. March 28, 1925. Screw sockets.-Hollow fibrous wall plugs for securing screws (or nails) are provided with an interior lining of a lubricant such as graphite, steatite or grease. Reels g of twisted fibrous strands are arranged round a reel c of paper or textile fabric impregnated with a lubricant. The fibrous strands and the paper are formed into the tubular material, from which the plugs are cut, by passing between a mandrel d and a hole in a guide plate f, the paper being formed into a tube by passing down a conical member e. The mandrel d may be tubular so that pulverulent, pasty or liquid lubricant may be fed through it and the spools g may be mounted on a rotary head to give a spiral arrangement to the strands. Alternatively a length of tubular material formed by the strands may be filled with lubricant, the excess of lubricant being afterwards poured out.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8316/25A GB257303A (en) | 1925-03-28 | 1925-03-28 | Improvements in tubular fibrous wall plugs |
| US97801A US1690909A (en) | 1925-03-28 | 1926-03-26 | Tubular fibrous wall plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8316/25A GB257303A (en) | 1925-03-28 | 1925-03-28 | Improvements in tubular fibrous wall plugs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB257303A true GB257303A (en) | 1926-08-28 |
Family
ID=9850185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8316/25A Expired GB257303A (en) | 1925-03-28 | 1925-03-28 | Improvements in tubular fibrous wall plugs |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1690909A (en) |
| GB (1) | GB257303A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2244779A (en) * | 1990-05-04 | 1991-12-11 | Jennmar Corp | Reducing friction in expansion anchor assemblies |
-
1925
- 1925-03-28 GB GB8316/25A patent/GB257303A/en not_active Expired
-
1926
- 1926-03-26 US US97801A patent/US1690909A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2244779A (en) * | 1990-05-04 | 1991-12-11 | Jennmar Corp | Reducing friction in expansion anchor assemblies |
| GB2244779B (en) * | 1990-05-04 | 1994-01-19 | Jennmar Corp | Mine roof anchor assembly having an expansion shell assembly with a friction reducing means |
Also Published As
| Publication number | Publication date |
|---|---|
| US1690909A (en) | 1928-11-06 |
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