GB1202884A - Means for preventing relative slippage between phonograph records - Google Patents

Means for preventing relative slippage between phonograph records

Info

Publication number
GB1202884A
GB1202884A GB4932867A GB4932867A GB1202884A GB 1202884 A GB1202884 A GB 1202884A GB 4932867 A GB4932867 A GB 4932867A GB 4932867 A GB4932867 A GB 4932867A GB 1202884 A GB1202884 A GB 1202884A
Authority
GB
United Kingdom
Prior art keywords
polishing
sheets
preventing relative
rolling
relative slippage
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
GB4932867A
Inventor
Stephen George
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB4932867A priority Critical patent/GB1202884A/en
Publication of GB1202884A publication Critical patent/GB1202884A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

1,202,884. Polished vinyl sheets. S. GEORGE. 31 Oct., 1967, No. 49328/67. Heading B5B. [Also in Division G5] A method of manufacturing highly polished, inherently sticky vinyl sheets, for use in preventing slippage between gramophone records (see Division G5) comprises the steps of:- (a) Mixing at 275‹ F. a plastics composition containing mostly vinyl resin and rolling at 315‹ F.; (b) rolling at 325‹ F. in calendar rolls to the desired gauge; (c) polishing between chromeplated polishing rolls; (d) cutting the film into sheets and then individually press-polishing between chromed platens at 275‹ F. and-250 p.s.i. for two minutes.
GB4932867A 1967-10-31 1967-10-31 Means for preventing relative slippage between phonograph records Expired GB1202884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4932867A GB1202884A (en) 1967-10-31 1967-10-31 Means for preventing relative slippage between phonograph records

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4932867A GB1202884A (en) 1967-10-31 1967-10-31 Means for preventing relative slippage between phonograph records

Publications (1)

Publication Number Publication Date
GB1202884A true GB1202884A (en) 1970-08-19

Family

ID=10451976

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4932867A Expired GB1202884A (en) 1967-10-31 1967-10-31 Means for preventing relative slippage between phonograph records

Country Status (1)

Country Link
GB (1) GB1202884A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5590114A (en) * 1988-12-12 1996-12-31 John P. Murphy Compact disc playback enhancer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5590114A (en) * 1988-12-12 1996-12-31 John P. Murphy Compact disc playback enhancer

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee