GB2134838B - Diaphragm forming - Google Patents

Diaphragm forming

Info

Publication number
GB2134838B
GB2134838B GB08303173A GB8303173A GB2134838B GB 2134838 B GB2134838 B GB 2134838B GB 08303173 A GB08303173 A GB 08303173A GB 8303173 A GB8303173 A GB 8303173A GB 2134838 B GB2134838 B GB 2134838B
Authority
GB
United Kingdom
Prior art keywords
diaphragm forming
diaphragm
forming
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
GB08303173A
Other versions
GB8303173D0 (en
GB2134838A (en
Inventor
Frank Taylor
Trevor George Young
Trevor Burton
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08303173A priority Critical patent/GB2134838B/en
Publication of GB8303173D0 publication Critical patent/GB8303173D0/en
Priority to NZ20690084A priority patent/NZ206900A/en
Priority to IE16484A priority patent/IE55418B1/en
Priority to AU23945/84A priority patent/AU560504B2/en
Publication of GB2134838A publication Critical patent/GB2134838A/en
Application granted granted Critical
Publication of GB2134838B publication Critical patent/GB2134838B/en
Priority to SG40187A priority patent/SG40187G/en
Priority to HK76287A priority patent/HK76287A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/266—Auxiliary operations after the thermoforming operation
    • B29C51/268—Cutting, rearranging and joining the cut parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3418—Loud speakers
GB08303173A 1983-02-04 1983-02-04 Diaphragm forming Expired GB2134838B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB08303173A GB2134838B (en) 1983-02-04 1983-02-04 Diaphragm forming
NZ20690084A NZ206900A (en) 1983-02-04 1984-01-20 Diaphragm moulding
IE16484A IE55418B1 (en) 1983-02-04 1984-01-25 Diaphragm forming
AU23945/84A AU560504B2 (en) 1983-02-04 1984-02-01 Method of forming a diaphragm
SG40187A SG40187G (en) 1983-02-04 1987-05-04 Diaphragm forming
HK76287A HK76287A (en) 1983-02-04 1987-10-15 Diaphragm forming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08303173A GB2134838B (en) 1983-02-04 1983-02-04 Diaphragm forming

Publications (3)

Publication Number Publication Date
GB8303173D0 GB8303173D0 (en) 1983-03-09
GB2134838A GB2134838A (en) 1984-08-22
GB2134838B true GB2134838B (en) 1986-04-30

Family

ID=10537503

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08303173A Expired GB2134838B (en) 1983-02-04 1983-02-04 Diaphragm forming

Country Status (6)

Country Link
AU (1) AU560504B2 (en)
GB (1) GB2134838B (en)
HK (1) HK76287A (en)
IE (1) IE55418B1 (en)
NZ (1) NZ206900A (en)
SG (1) SG40187G (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145300B (en) * 1983-08-16 1987-05-07 Standard Telephones Cables Ltd Electroacoustic transducer
WO1990002036A1 (en) * 1988-08-18 1990-03-08 Norford Industries Pty. Ltd. Process and apparatus for heat forming of materials
US5169569A (en) * 1991-08-05 1992-12-08 Richard Ingram Method of making a one-piece intraocular lens
US5607536A (en) * 1992-10-30 1997-03-04 Tikka-System Oy Method and apparatus for coating objects with a plastic film
FI91225C (en) * 1992-10-30 1994-06-10 Tikka System Oy Method and apparatus for coating sheet-like pieces with plastic film
AUPN897996A0 (en) * 1996-03-27 1996-04-26 Norford Industries Pty Limited Method for heat forming solid surface veneer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB969557A (en) * 1962-04-19 1964-09-09 Shelley M L & Partners Ltd An improved packaging method
FR2369073A1 (en) * 1976-10-26 1978-05-26 Faure Bertrand Ind PROCESS

Also Published As

Publication number Publication date
SG40187G (en) 1987-07-24
IE55418B1 (en) 1990-09-12
GB8303173D0 (en) 1983-03-09
AU560504B2 (en) 1987-04-09
AU2394584A (en) 1984-08-09
NZ206900A (en) 1987-11-27
HK76287A (en) 1987-10-23
GB2134838A (en) 1984-08-22
IE840164L (en) 1984-08-04

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940204