CA1122835A - Necked-down bolt for connecting thermal shock-stressed structural parts - Google Patents

Necked-down bolt for connecting thermal shock-stressed structural parts

Info

Publication number: CA1122835A
Authority: CA; Canada
Prior art keywords: bolt; packing; necked; structural parts; reduced diameter
Prior art date: 1978-12-01
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

CA341,034A

Other languages

English (en)

French (fr)

Inventor

Johannes Sporri

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.)

BBC Brown Boveri AG Switzerland

Original Assignee

BBC Brown Boveri AG Switzerland

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.)

1978-12-01

Filing date

1979-11-30

Publication date

1982-05-04

1979-11-30 Application filed by BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland

1982-05-04 Application granted granted Critical

1982-05-04 Publication of CA1122835A publication Critical patent/CA1122835A/en

Status Expired legal-status Critical Current

Links

238000012856 packing Methods 0.000 claims abstract description 15
238000005452 bending Methods 0.000 claims description 2
239000011148 porous material Substances 0.000 claims 1
238000012546 transfer Methods 0.000 abstract description 3
230000008642 heat stress Effects 0.000 abstract 1
238000013461 design Methods 0.000 description 2
230000035882 stress Effects 0.000 description 2
230000008646 thermal stress Effects 0.000 description 2
238000007792 addition Methods 0.000 description 1
239000004020 conductor Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000012217 deletion Methods 0.000 description 1
230000037430 deletion Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1

Classifications

- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/243—Flange connections; Bolting arrangements
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/04—Screwed connections specially modified in view of tensile load; Break-bolts for maintaining a tensile load
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/24—Flanged joints characterised by the sealing means specially adapted for unequal expansion of the parts of the joint

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Connection Of Plates (AREA)
Pressure Vessels And Lids Thereof (AREA)
Turbine Rotor Nozzle Sealing (AREA)
Joining Of Building Structures In Genera (AREA)

CA341,034A 1978-12-01 1979-11-30 Necked-down bolt for connecting thermal shock-stressed structural parts Expired CA1122835A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH1229678		1978-12-01
CH12296/78		1978-12-01

Publications (1)

Publication Number	Publication Date
CA1122835A true CA1122835A (en)	1982-05-04

Family

ID=4381676

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA341,034A Expired CA1122835A (en)	1978-12-01	1979-11-30	Necked-down bolt for connecting thermal shock-stressed structural parts

Country Status (6)

Country	Link
CA (1)	CA1122835A (da)
DE (1)	DE2854139A1 (da)
DK (1)	DK506079A (da)
FR (1)	FR2442988A1 (da)
NL (1)	NL7908644A (da)
SE (1)	SE7909820L (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2545888B1 (fr) *	1983-05-10	1987-07-17	Compair Climax Sa	Verin, notamment microverin comprenant un dispositif de support d'elements supplementaires exterieurs
DE3320460C1 (de) *	1983-06-07	1984-10-18	Thyssen Industrie Ag, 4300 Essen	Nachgiebiger Gebirgsanker
FR2577632B1 (fr) *	1985-02-19	1987-09-25	Framatome Sa	Element filtrant les variations de contraintes dans un assemblage boulonne
EP2025882A1 (de) *	2007-08-14	2009-02-18	Siemens Aktiengesellschaft	Gehäuseanordnung für eine stationäre Strömungsmaschine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB417053A (en) *	1933-03-22	1934-09-24	Richard William Bailey	Improvements in and relating to flanged and like joints
FR1306491A (fr) *	1961-11-20	1962-10-13	Ind Fernand Courtoy Bureau Et	Dispositif pour l'établissement d'un joint pouvant être serré entre deux éléments

1978
- 1978-12-14 FR FR7835161A patent/FR2442988A1/fr not_active Withdrawn
- 1978-12-15 DE DE19782854139 patent/DE2854139A1/de not_active Withdrawn
1979
- 1979-11-28 DK DK506079A patent/DK506079A/da not_active Application Discontinuation
- 1979-11-28 SE SE7909820A patent/SE7909820L/ not_active Application Discontinuation
- 1979-11-29 NL NL7908644A patent/NL7908644A/nl not_active Application Discontinuation
- 1979-11-30 CA CA341,034A patent/CA1122835A/en not_active Expired

Also Published As

Publication number	Publication date
DK506079A (da)	1980-06-02
NL7908644A (nl)	1980-06-03
DE2854139A1 (de)	1980-06-12
SE7909820L (sv)	1980-06-02
FR2442988A1 (fr)	1980-06-27

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Legal Events

Date	Code	Title	Description
1999-05-04	MKEX	Expiry