GB190714071A - Improvements in or relating to the Production of Celluloid Cylinder Blanks for Phonograph Records. - Google Patents

Improvements in or relating to the Production of Celluloid Cylinder Blanks for Phonograph Records.

Info

Publication number
GB190714071A
GB190714071A GB190714071DA GB190714071A GB 190714071 A GB190714071 A GB 190714071A GB 190714071D A GB190714071D A GB 190714071DA GB 190714071 A GB190714071 A GB 190714071A
Authority
GB
United Kingdom
Prior art keywords
cap
blank
phonograph records
celluloid
relating
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
Inventor
Frederic Montagu Russell
Alfred James Jung
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
Application granted granted Critical
Publication of GB190714071A publication Critical patent/GB190714071A/en
Expired legal-status Critical Current

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Abstract

14,071. Russell, F. M., and Jung, A. J. June 18. Moulding phonograph records.-Celluloid cylindrical record blanks have their ends turned inwards in such a manner that, when being moulded to the matrix by steam pressure, tight joints are produced. A blank A, resting upon a plate J adjustable in height by a screwed part J<2> and containing a hollow mandrel B with an annular tapering portion b, has its upper end turned first at right-angles, as shown at a, and then downwards as shown at a<1>, by a cap C having a tapering base C<1>, which is heated either internally or in hot water. The cap C is forced downwards by a pivoted lever D, engaging under another pivot E so that it can be quickly removed, and is kept down by a wedge G inserted in a slot f in a vertical rod F. The blank A is then placed within a hollow tube B<2>, Fig. 2, and its other end a<2> bent inwards by a hot cap C<2> recessed at C<3>, and operated in a similar manner to the cap C.
GB190714071D 1907-06-18 1907-06-18 Improvements in or relating to the Production of Celluloid Cylinder Blanks for Phonograph Records. Expired GB190714071A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190714071T 1907-06-18

Publications (1)

Publication Number Publication Date
GB190714071A true GB190714071A (en) 1908-06-18

Family

ID=32550041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190714071D Expired GB190714071A (en) 1907-06-18 1907-06-18 Improvements in or relating to the Production of Celluloid Cylinder Blanks for Phonograph Records.

Country Status (1)

Country Link
GB (1) GB190714071A (en)

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