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
GB1345824A
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.)
JOSEPH DANIEL CUMNER
Original Assignee
JOSEPH DANIEL CUMNER
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 JOSEPH DANIEL CUMNERfiledCriticalJOSEPH DANIEL CUMNER
Priority to GB1345824ApriorityCriticalpatent/GB237400A/en
Publication of GB237400ApublicationCriticalpatent/GB237400A/en
237,400. Cumner, J. D. June 2, 1924. Records, blanks for.-Gramophone and like uecord blanks are made of three layers, the outer ones consisting of cellulose acetate in sheet form, and the central layer being made of calico or compressed rubber. The layers are cemented together, under heavy pressure, by means of any suitable adhesive, such as cellulose acetate in solution. Blanks of the required form are then stamped from the compound sheet material. Colouring matter may be added to the cellulose acetate before or after the formation of the laminated sheets.
GB1345824A1924-06-021924-06-02Improvements in gramophone and the like records
ExpiredGB237400A
(en)
Improvements in or relating to a method of producing articles, for example composite articles, and to printing on sheets employed in such articles, and the articles so produced
Improvements in or relating to a method of producing articles, for example composite articles, and to printing on sheets employed in such articles, and the articles so produced