GB190407429A - Improvements in Metallic Conduits for Electric Light Cables and the like. - Google Patents

Improvements in Metallic Conduits for Electric Light Cables and the like.

Info

Publication number
GB190407429A
GB190407429A GB190407429DA GB190407429A GB 190407429 A GB190407429 A GB 190407429A GB 190407429D A GB190407429D A GB 190407429DA GB 190407429 A GB190407429 A GB 190407429A
Authority
GB
United Kingdom
Prior art keywords
bushing
conduit
coupling
conduits
screwed
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
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.)
SIMPLEX STEEL CONDUIT Co
Original Assignee
SIMPLEX STEEL CONDUIT Co
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 SIMPLEX STEEL CONDUIT Co filed Critical SIMPLEX STEEL CONDUIT Co
Application granted granted Critical
Publication of GB190407429A publication Critical patent/GB190407429A/en
Expired legal-status Critical Current

Links

Abstract

7429. Waterhouse, L. M., and Simplex Steel Conduit Co. March 29. Conduits.-Relates to metallic conduits, particularly the "Simplex" conduit, for electric-light cables and the like. To maintain a complete metallic circuit, an externally-screwed bushing 1, slightly tapered and provided with a nut 2, is split as indicated in Fig. 4. The coupling, bend, &c., or the nipple of the fitting to be attached to the conduit 5, has an internal screw-thread 7 adapted to engage with the screw-thread on the bushing, the slight tapering of the bushing bringing about a firm pressure, and consequently a good metallic contact, between the adjacent surfaces of the bushing and conduit. This pressure may be increased by coning the part 13 of the bushing between the nut 2 and the screwed part 1. The screwed part of the coupling &c. may be tapered in addition to, or instead of, tapering the corresponding part of the bushing. To prevent the ends of the conduit or bushing from abrading the cable, the bushing and coupling &c. are provided with shoulders 8, 10, Fig. 5, or the end 12 of the conduit may be reamered off as shown in Fig. 1.
GB190407429D 1904-03-29 1904-03-29 Improvements in Metallic Conduits for Electric Light Cables and the like. Expired GB190407429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190407429T 1904-03-29

Publications (1)

Publication Number Publication Date
GB190407429A true GB190407429A (en) 1905-02-09

Family

ID=32624946

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190407429D Expired GB190407429A (en) 1904-03-29 1904-03-29 Improvements in Metallic Conduits for Electric Light Cables and the like.

Country Status (1)

Country Link
GB (1) GB190407429A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893846A (en) * 1989-05-02 1990-01-16 Mcgraw Doonan D Connector fittings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893846A (en) * 1989-05-02 1990-01-16 Mcgraw Doonan D Connector fittings

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