GB8430758D0 - Pneumatic switching devices - Google Patents

Pneumatic switching devices

Info

Publication number: GB8430758D0
Authority: GB; United Kingdom
Prior art keywords: switching devices; pneumatic switching; pneumatic; devices; switching
Prior art date: 1983-12-08
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.): Granted

Application number

GB848430758A

Other versions

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.)

Micro Consultants Ltd

Original Assignee

Micro Consultants 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.)

1983-12-08

Filing date

1984-12-05

Publication date

1985-01-16

1983-12-08 Priority claimed from GB838332726A external-priority patent/GB8332726D0/en

1984-06-20 Priority claimed from GB848415716A external-priority patent/GB8415716D0/en

1984-12-05 Application filed by Micro Consultants Ltd filed Critical Micro Consultants Ltd

1985-01-16 Publication of GB8430758D0 publication Critical patent/GB8430758D0/en

1985-08-07 Publication of GB2152622A publication Critical patent/GB2152622A/en

1987-08-05 Application granted granted Critical

1987-08-05 Publication of GB2152622B publication Critical patent/GB2152622B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
- G02B6/52—Underground or underwater installation; Installation through tubing, conduits or ducts using fluid, e.g. air
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/005—Investigating fluid-tightness of structures using pigs or moles
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
- H02G1/088—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling using pulling devices movable inside conduits

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Optics & Photonics (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Actuator (AREA)

GB08430758A 1983-12-08 1984-12-05 Pneumatic switching devices and linear feed motors incorporating such devices Expired GB2152622B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB838332726A GB8332726D0 (en)	1983-12-08	1983-12-08	Pipe probes
GB848415716A GB8415716D0 (en)	1984-06-20	1984-06-20	Automatic pneumatic switching device

Publications (3)

Publication Number	Publication Date
GB8430758D0 true GB8430758D0 (en)	1985-01-16
GB2152622A GB2152622A (en)	1985-08-07
GB2152622B GB2152622B (en)	1987-08-05

Family

ID=26287088

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08430758A Expired GB2152622B (en)	1983-12-08	1984-12-05	Pneumatic switching devices and linear feed motors incorporating such devices

Country Status (1)

Country	Link
GB (1)	GB2152622B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8430131D0 (en) *	1984-11-29	1985-01-09	British Nuclear Fuels Plc	Pipe crawlers
NL1003681C2 (en) *	1996-07-25	1998-01-28	Nederland Ptt	Apparatus and method for removing cables from pipes.
WO2002047834A1 (en) *	2000-12-15	2002-06-20	R.Marchal & Cie	Device and method for brush-cleaning a tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2518330A (en) *	1947-11-20	1950-08-08	Jasper Cronje	Duct rodding machine
GB1044201A (en) *	1962-10-10	1966-09-28	Post Office	Improvements in or relating to pneumatic self-propelled apparatus
GB1011279A (en) *	1963-04-16	1965-11-24	Atlas Copco Ab	Improvement in feeding device working in stepwise manner for a rock drill
GB2059000B (en) *	1979-08-21	1983-05-18	Post Office	Pneumatically propelled duct motor
US4429720A (en) *	1982-09-23	1984-02-07	Beck Richard D	Apparatus for seeking out and repairing leaks in pipes
GB2137720B (en) *	1983-03-31	1987-01-28	Daly Limited P N	Pipe replacement
GB2137719B (en) *	1983-03-31	1987-01-28	Daly Limited P N	Pipe replacement
GB2138532B (en) *	1983-03-31	1987-01-28	Daly Limited P N	Pipe replacement

1984
- 1984-12-05 GB GB08430758A patent/GB2152622B/en not_active Expired

Also Published As

Publication number	Publication date
GB2152622A (en)	1985-08-07
GB2152622B (en)	1987-08-05

Publication	Publication Date	Title
GB8327260D0 (en)	1983-11-16	Switches
GB8310135D0 (en)	1983-05-18	Line switch
GB2143089B (en)	1987-03-11	Switchgear
DE3479265D1 (en)	1989-09-07	Pressurised-gas switch
GB8417569D0 (en)	1984-08-15	Multiple switching
DE3465211D1 (en)	1987-09-10	Pneumatic stepping switch
GB2139811B (en)	1986-11-05	Switch device
DE3461341D1 (en)	1987-01-02	Switching device
DE3480141D1 (en)	1989-11-16	Switch
GB8429008D0 (en)	1984-12-27	Switching valve
DE3377601D1 (en)	1988-09-08	Switch
ZA84601B (en)	1984-09-26	Limiting switch
GB8424551D0 (en)	1984-11-07	Switch structure
AU564058B2 (en)	1987-07-30	Switching device
GB8403422D0 (en)	1984-03-14	Switches
GB8430758D0 (en)	1985-01-16	Pneumatic switching devices
GB8415644D0 (en)	1984-07-25	Time switches
GB8824583D0 (en)	1988-11-23	Limit switch
GB8327925D0 (en)	1983-11-23	Switching devices
GB8401801D0 (en)	1984-02-29	Limit switches
GB8407122D0 (en)	1984-04-26	Switch
GB8317000D0 (en)	1983-07-27	Switches
EP0276028A3 (en)	1989-03-01	Thermostatic-regulation devices
AU3624984A (en)	1985-06-20	Electrtical switching device
GB8415691D0 (en)	1984-07-25	Switching device

Legal Events

Date	Code	Title	Description
1987-09-23	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1990-08-01	PCNP	Patent ceased through non-payment of renewal fee