EP 0492914 A2 19920701 - Loudspeaker cone and surround assembly.
Title (en)
Loudspeaker cone and surround assembly.
Title (de)
Lautsprecherkonus und Randringanordnung.
Title (fr)
CÔne pour liant-parleur et équipage de suspension.
Publication
Application
Priority
- GB 9027670 A 19901220
- GB 9105149 A 19910312
- GB 9120591 A 19910927
Abstract (en)
A method of making a loudspeaker cone and flexible surround assembly (1,2) comprising arranging an injection moulded plastics cone (1) in the mould cavity of an injection moulding apparatus and injection moulding an elastomeric material onto the periphery of the cone under heat and pressure to form a surround or suspension (2) which is chemically bonded to the material of the cone. The invention is also a loudspeaker cone and surround assembly wherein the surround (2) is an injection moulding formed directly on to the cone (1). <IMAGE>
IPC 1-7
IPC 8 full level
B29C 45/14 (2006.01); H04R 7/20 (2006.01); H04R 31/00 (2006.01); B29L 31/38 (2006.01)
CPC (source: EP)
H04R 7/20 (2013.01); H04R 31/003 (2013.01); H04R 2307/029 (2013.01); H04R 2307/204 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE
DOCDB simple family (publication)
EP 0492914 A2 19920701; EP 0492914 A3 19921021; JP H077791 A 19950110
DOCDB simple family (application)
EP 91311619 A 19911213; JP 33698791 A 19911219