Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure

Industry

CPC
E21D11/22

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D11/00Lining tunnels, galleries or other underground cavities

Current Industry

E21D11/22Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Telescopic device and telescopic annular tunnel steel arch
- Patent number 12,078,065
- Issue date Sep 3, 2024
- Zhejiang University City College
- Xinjiang Wei
- E21 - EARTH DRILLING MINING
Information Patent Grant
Adjustable lattice girder
- Patent number 11,242,750
- Issue date Feb 8, 2022
- FCI Holdings Delaware, Inc.
- John C. Stankus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reinforcement system for the concrete lining of the inner shell of...
- Patent number 11,180,994
- Issue date Nov 23, 2021
- BAG BAUARTIKEL GMBH
- Martin Heymann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Clip and method for joining steel ribs used as tunnel liner supports
- Patent number 8,613,567
- Issue date Dec 24, 2013
- Tony Dimillo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Arch useful for withstanding effect of rockburst occurring in under...
- Patent number 6,102,628
- Issue date Aug 15, 2000
- Council of Scientific & Industrial Research
- Sibnath Maity
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for supporting a mining gallery
- Patent number 4,997,317
- Issue date Mar 5, 1991
- Neuero Stahllau GmbH & Co.
- Burkhard Schonfeld
- E04 - BUILDING
Information Patent Grant
Clamp for elongate members
- Patent number 4,665,593
- Issue date May 19, 1987
- British Steel Corporation
- Colin M. Davies
- E21 - EARTH DRILLING MINING
Information Patent Grant
Peripherally flexible prop arch for mining tracks, tunnels or the like
- Patent number 4,630,973
- Issue date Dec 23, 1986
- Bochumer Eisenhuette Heintzmann GmbH & Co KG
- Peter Heintzmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Clamping connection device for flanged through sections of support...
- Patent number 4,602,896
- Issue date Jul 29, 1986
- Bochumer Eisenhuette Heintzmann GmbH & Co KG
- Karlheinz Bohnes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for limiting stresses in particular for buried tubular struc...
- Patent number 4,252,464
- Issue date Feb 24, 1981
- Davum
- Pierre Habib
- E21 - EARTH DRILLING MINING
Information Patent Grant
Connector for bolted joints
- Patent number 4,160,609
- Issue date Jul 10, 1979
- Hollybank Engineering Company Limited
- David B. Jackson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and device for removing resilient gallery lining frames in m...
- Patent number 4,114,386
- Issue date Sep 19, 1978
- Ruhrkohle, A.G.
- Gerd Radner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and device for lining chambers and galleries
- Patent number 4,100,749
- Issue date Jul 18, 1978
- Runrkohle, A. G.
- Gerd Radner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for advancing and supporting an underground mi...
- Patent number 4,077,670
- Issue date Mar 7, 1978
- Bochumer Eisenhutte Heintzmann GmbH & Co.
- Klaus Spies
- E21 - EARTH DRILLING MINING
Information Patent Grant
Profile steel
- Patent number 4,050,212
- Issue date Sep 27, 1977
- Hoesch Werke Aktiengesellschaft
- Franz Gantke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Yieldable joint
- Patent number 4,018,054
- Issue date Apr 19, 1977
- Armco Steel Corporation
- Robert S. Standley
- E21 - EARTH DRILLING MINING
Information Patent Grant
3462959
- Patent number 3,462,959
- Issue date Aug 26, 1969
- E21 - EARTH DRILLING MINING
Information Patent Grant
3395542
- Patent number 3,395,542
- Issue date Aug 6, 1968
- E21 - EARTH DRILLING MINING
Information Patent Grant
3126708
- Patent number 3,126,708
- Issue date Mar 31, 1964
- E21 - EARTH DRILLING MINING
Information Patent Grant
3076672
- Patent number 3,076,672
- Issue date Feb 5, 1963
- E21 - EARTH DRILLING MINING
Information Patent Grant
3062573
- Patent number 3,062,573
- Issue date Nov 6, 1962
- E21 - EARTH DRILLING MINING
Information Patent Grant
3023862
- Patent number 3,023,862
- Issue date Mar 6, 1962
- E21 - EARTH DRILLING MINING
Information Patent Grant
3022100
- Patent number 3,022,100
- Issue date Feb 20, 1962
- E21 - EARTH DRILLING MINING
Information Patent Grant
3004637
- Patent number 3,004,637
- Issue date Oct 17, 1961
- E21 - EARTH DRILLING MINING
Information Patent Grant
2867303
- Patent number 2,867,303
- Issue date Jan 6, 1959
- E21 - EARTH DRILLING MINING
Information Patent Grant
2793719
- Patent number 2,793,719
- Issue date May 28, 1957
- E21 - EARTH DRILLING MINING
Information Patent Grant
2242961
- Patent number 2,242,961
- Issue date May 20, 1941
- E21 - EARTH DRILLING MINING
Information Patent Grant
2197567
- Patent number 2,197,567
- Issue date Apr 16, 1940
- E21 - EARTH DRILLING MINING
Information Patent Grant
1953145
- Patent number 1,953,145
- Issue date Apr 3, 1934
- E04 - BUILDING
Information Patent Grant
1858719
- Patent number 1,858,719
- Issue date May 17, 1932
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Adjustable Lattice Girder
- Publication number 20210156251
- Publication date May 27, 2021
- FCI HOLDINGS DELAWARE, INC.
- John C. Stankus
- E21 - EARTH DRILLING MINING
Information Patent Application
REINFORCEMENT SYSTEM FOR THE CONCRETE LINING OF THE INNER SHELL OF...
- Publication number 20200284147
- Publication date Sep 10, 2020
- Martin HEYMANN
- E21 - EARTH DRILLING MINING
Information Patent Application
Yieldable cambered arch support assembly
- Publication number 20120282041
- Publication date Nov 8, 2012
- John J. Breedlove
- E21 - EARTH DRILLING MINING
Information Patent Application
CLIP FOR JOINING STEEL RIBS USED AS TUNNEL LINER SUPPORTS
- Publication number 20120009024
- Publication date Jan 12, 2012
- Tony Dimillo
- E21 - EARTH DRILLING MINING

Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Telescopic device and telescopic annular tunnel steel arch

Adjustable lattice girder

Reinforcement system for the concrete lining of the inner shell of...

Clip and method for joining steel ribs used as tunnel liner supports

Arch useful for withstanding effect of rockburst occurring in under...

System and method for supporting a mining gallery

Clamp for elongate members

Peripherally flexible prop arch for mining tracks, tunnels or the like

Clamping connection device for flanged through sections of support...

Device for limiting stresses in particular for buried tubular struc...

Connector for bolted joints

Method and device for removing resilient gallery lining frames in m...

Method and device for lining chambers and galleries

Method and apparatus for advancing and supporting an underground mi...

Profile steel

Yieldable joint

3462959

3395542

3126708

3076672

3062573

3023862

3022100

3004637

2867303

2793719

2242961

2197567

1953145

1858719

Patents Applicationslast 30 patents

Adjustable Lattice Girder

REINFORCEMENT SYSTEM FOR THE CONCRETE LINING OF THE INNER SHELL OF...

Yieldable cambered arch support assembly

CLIP FOR JOINING STEEL RIBS USED AS TUNNEL LINER SUPPORTS