GB834559A - Bearing element and method of making the same - Google Patents

Bearing element and method of making the same

Info

Publication number
GB834559A
GB834559A GB11913/56A GB1191356A GB834559A GB 834559 A GB834559 A GB 834559A GB 11913/56 A GB11913/56 A GB 11913/56A GB 1191356 A GB1191356 A GB 1191356A GB 834559 A GB834559 A GB 834559A
Authority
GB
United Kingdom
Prior art keywords
pict
iii
bearing comprises
making
coating
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
GB11913/56A
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.)
Tissot SA
Original Assignee
Fabrique dHorlogerie CHS Tissot et Fils SA
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 Fabrique dHorlogerie CHS Tissot et Fils SA filed Critical Fabrique dHorlogerie CHS Tissot et Fils SA
Publication of GB834559A publication Critical patent/GB834559A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/004—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor characterised by the material used
    • G04B31/016—Plastic bearings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

<PICT:0834559/III/1> <PICT:0834559/III/2> <PICT:0834559/III/3> A pivot bearing comprises a metal support 1 having a coating of a synthetic polyamide having self-lubricating properties, such as nylon, which is cast to form a cylindrical bore 5 and engages grooves 4 in the support 1. In a modification, shown in Fig. 4, the coating thickness is increased and larger grooves 18 are provided. In a further modification, a thrust bearing comprises a circular metal element 6 which is grooved on one face to receive a synthetic polyamide coating 10. A method of making the bearing comprises casting the plastic material at a temperature in the range of 520 DEG to 540 DEG F. and subjecting it to a pressure of 130,000 lb./in.2.
GB11913/56A 1955-04-21 1956-04-19 Bearing element and method of making the same Expired GB834559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH834559X 1955-04-21

Publications (1)

Publication Number Publication Date
GB834559A true GB834559A (en) 1960-05-11

Family

ID=4540565

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11913/56A Expired GB834559A (en) 1955-04-21 1956-04-19 Bearing element and method of making the same

Country Status (1)

Country Link
GB (1) GB834559A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103163773A (en) * 2011-12-16 2013-06-19 伊塔瑞士钟表制造股份有限公司 Smooth timepiece bearing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103163773A (en) * 2011-12-16 2013-06-19 伊塔瑞士钟表制造股份有限公司 Smooth timepiece bearing

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