GB257303A - Improvements in tubular fibrous wall plugs - Google Patents

Improvements in tubular fibrous wall plugs

Info

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
Application number
GB8316/25A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RAWPLUG Co Ltd
Rawlplug Co Ltd
Original Assignee
RAWPLUG Co Ltd
Rawlplug Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RAWPLUG Co Ltd, Rawlplug Co Ltd filed Critical RAWPLUG Co Ltd
Priority to GB8316/25A priority Critical patent/GB257303A/en
Priority to US97801A priority patent/US1690909A/en
Publication of GB257303A publication Critical patent/GB257303A/en
Expired legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

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.
GB8316/25A 1925-03-28 1925-03-28 Improvements in tubular fibrous wall plugs Expired GB257303A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2244779A (en) * 1990-05-04 1991-12-11 Jennmar Corp Reducing friction in expansion anchor assemblies

Cited By (2)

* Cited by examiner, † Cited by third party
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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