GB521893A - Improvements in and connected with sealing means for enclosed apparatus, such as electrical apparatus - Google Patents

Improvements in and connected with sealing means for enclosed apparatus, such as electrical apparatus

Info

Publication number
GB521893A
GB521893A GB3403938A GB3403938A GB521893A GB 521893 A GB521893 A GB 521893A GB 3403938 A GB3403938 A GB 3403938A GB 3403938 A GB3403938 A GB 3403938A GB 521893 A GB521893 A GB 521893A
Authority
GB
United Kingdom
Prior art keywords
cover
head
sealing means
enclosed
electrical apparatus
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
GB3403938A
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.)
JA Crabtree and Co Ltd
Original Assignee
JA Crabtree and 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 JA Crabtree and Co Ltd filed Critical JA Crabtree and Co Ltd
Priority to GB3403938A priority Critical patent/GB521893A/en
Publication of GB521893A publication Critical patent/GB521893A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02—Constructional details
    • G01R11/04—Housings; Supporting racks; Arrangements of terminals

Abstract

521,893. Seals. CRABTREE & CO., Ltd., J. A., McLOUGHLIN, H. F., and HILL, W. E. Nov. 23, 1938, No. 34039. [Class 146 (ii)] The cover c of a box enclosing apparatus, such as electrical apparatus, is adapted for the introduction and guidance of a sealing wire to a transverse hole m in the. screw head. The head i is flush with the cover and has a slot l parallel or at right angles to the hole m which is slightly above the curved parts m' of the recesses n formed in the cover diametrically of the bolt head. The opening j in the cover may be of circular or diamond shape with the head i in the centre. Specification 521,936, [Group XXXVII], is referred to.
GB3403938A 1938-11-23 1938-11-23 Improvements in and connected with sealing means for enclosed apparatus, such as electrical apparatus Expired GB521893A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3403938A GB521893A (en) 1938-11-23 1938-11-23 Improvements in and connected with sealing means for enclosed apparatus, such as electrical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3403938A GB521893A (en) 1938-11-23 1938-11-23 Improvements in and connected with sealing means for enclosed apparatus, such as electrical apparatus

Publications (1)

Publication Number Publication Date
GB521893A true GB521893A (en) 1940-06-04

Family

ID=10360593

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3403938A Expired GB521893A (en) 1938-11-23 1938-11-23 Improvements in and connected with sealing means for enclosed apparatus, such as electrical apparatus

Country Status (1)

Country Link
GB (1) GB521893A (en)

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