GB2082495B - Diaphragm manufacture - Google Patents

Diaphragm manufacture

Info

Publication number: GB2082495B
Authority: GB; United Kingdom
Prior art keywords: diaphragm manufacture; diaphragm; manufacture
Prior art date: 1980-07-05
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

GB8118296A

Other versions

GB2082495A (en

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.)

United Gas Industries Ltd

Original Assignee

United Gas Industries Ltd

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.)

1980-07-05

Filing date

1981-06-15

Publication date

1984-09-26

1981-06-15 Application filed by United Gas Industries Ltd filed Critical United Gas Industries Ltd

1981-06-15 Priority to GB8118296A priority Critical patent/GB2082495B/en

1982-03-10 Publication of GB2082495A publication Critical patent/GB2082495A/en

1984-09-26 Application granted granted Critical

1984-09-26 Publication of GB2082495B publication Critical patent/GB2082495B/en

Status Expired legal-status Critical Current

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
- B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
- 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
- B29C51/14—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 using multilayered preforms or sheets
- B29C51/145—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 using multilayered preforms or sheets having at least one layer of textile or fibrous material combined with at least one plastics layer
- 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
- B29C51/30—Moulds
- 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
- B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
- B29C51/082—Deep drawing or matched-mould forming, i.e. using mechanical means only by shaping between complementary mould parts
- 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
- B29L2031/755—Membranes, diaphragms

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Textile Engineering (AREA)
Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

GB8118296A 1980-07-05 1981-06-15 Diaphragm manufacture Expired GB2082495B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8118296A GB2082495B (en)	1980-07-05	1981-06-15	Diaphragm manufacture

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8022116		1980-07-05
GB8118296A GB2082495B (en)	1980-07-05	1981-06-15	Diaphragm manufacture

Publications (2)

Publication Number	Publication Date
GB2082495A GB2082495A (en)	1982-03-10
GB2082495B true GB2082495B (en)	1984-09-26

Family

ID=26276130

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8118296A Expired GB2082495B (en)	1980-07-05	1981-06-15	Diaphragm manufacture

Country Status (1)

Country	Link
GB (1)	GB2082495B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19517458C1 (en) *	1995-05-12	1996-12-05	Sandler Helmut Helsa Werke	Process for the production of a vulcanized elastomer membrane

1981
- 1981-06-15 GB GB8118296A patent/GB2082495B/en not_active Expired

Also Published As

Publication number	Publication date
GB2082495A (en)	1982-03-10

Publication	Publication Date	Title
JPS57127161A (en)	1982-08-07	Diaphragm
DE3176269D1 (en)	1987-07-30	Pressure diaphragm
GB2078057B (en)	1984-08-15	Earphones
JPS5718681A (en)	1982-01-30	Novel triazoloquinoxalin-4-one
JPS574696A (en)	1982-01-11	Loudspeaker assembly
JPS56103167A (en)	1981-08-18	Manufacture of azolyllvinylketone
GB2070388B (en)	1984-02-08	Transducer
JPS56120693A (en)	1981-09-22	Manufacture of dialkyldithiophosphinate
GB2070390B (en)	1985-08-07	Loudspeaker diaphragm
JPS56153518A (en)	1981-11-27	Transducer
AU541931B2 (en)	1985-01-31	Making forms
JPS56153519A (en)	1981-11-27	Transducer
GB2070259B (en)	1983-11-23	Camera diaphragm
GB2076538B (en)	1983-10-26	Manometer
GB2056218B (en)	1984-02-01	Diaphragm
JPS5783976A (en)	1982-05-26	Rotary diaphragm
GB2115645B (en)	1985-06-26	Speaker diaphragm
JPS56104850A (en)	1981-08-20	Manufacture of 22aminoo44nitrophenol
GB8321976D0 (en)	1983-09-21	Diaphragm
GB2082495B (en)	1984-09-26	Diaphragm manufacture
JPS57112541A (en)	1982-07-13	Diaphragm structure
JPS5777632A (en)	1982-05-15	Manufacture of 1-brom-3,5-dichlorobenzole
JPS56106109A (en)	1981-08-24	Transducer
CS227680B2 (en)	1984-05-14	Manufacture of 4-carbamoyloxyoxazaphosphorins
GB2084339B (en)	1984-08-08	Shutter diaphragm

Legal Events

Date	Code	Title	Description
1989-02-08	PCNP	Patent ceased through non-payment of renewal fee