DK144192B - SUSPENSION EQUIPMENT FOR ISAER CONDUCT - Google Patents
SUSPENSION EQUIPMENT FOR ISAER CONDUCT Download PDFInfo
- Publication number
- DK144192B DK144192B DK20974AA DK20974A DK144192B DK 144192 B DK144192 B DK 144192B DK 20974A A DK20974A A DK 20974AA DK 20974 A DK20974 A DK 20974A DK 144192 B DK144192 B DK 144192B
- Authority
- DK
- Denmark
- Prior art keywords
- stiffening
- posts
- equipment
- tomb
- isaer
- Prior art date
Links
- 239000000725 suspension Substances 0.000 title 1
- 230000000717 retained effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
- Retaining Walls (AREA)
- Wing Frames And Configurations (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Revetment (AREA)
- Sewage (AREA)
- Lining And Supports For Tunnels (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Description
(19) DANMARK /^g£\ ί&ΐϋ](19) DENMARK / ^ g £ \ ί & ΐϋ]
®p/ (12) FREMUEGGELSESSKRIFT <n> 14(+1 92 B®p / (12) INSTRUCTION WRITING <n> 14 (+1 92 B
DIREKTORATET FOR PATENT- OG VAREMÆRKEVÆSENETDIRECTORATE OF THE PATENT AND TRADEMARKET SYSTEM
(21) Ansøgning nr. 2Ο9/74 (51) |nt.C|.3 E 02 D 17/08 (22) Indleveringsdag 16· jan. 1974 (24) Løbedag 1 6. jan. 1974 (41) Aim. tilgængelig 18. jul. 1974 (44) Fremlagt 11. jan. 1982 (86) International ansøgning nr. -(86) International indleveringsdag -(85) Videreførelsesdag -(62) Stamansøgning nr. -(21) Application No. 2Ο9 / 74 (51) | nt.C | .3 E 02 D 17/08 (22) Submission date 16 · Jan. 1974 (24) Race day 1 6 Jan. 1974 (41) Aim. available July 18. 1974 (44) Submitted Jan 11 1982 (86) International application # - (86) International filing day - (85) Continuation day - (62) Master application no -
(30) Prioritet 17. jan. 1975, 2502055, DE(30) Priority Jan 17 1975, 2502055, DE
(71) Ansøger JOSEF BRINGS, D-5158 Heinsberg, DE.(71) Applicant JOSEF BRINGS, D-5158 Heinsberg, DE.
(72) Opfinder Samme.(72) Inventor Same.
(74) Fuldmægtig Patentagentfirmaet Magnus Jensens Eftf.(74) Associate Patent Agent Company Magnus Jensens Eftf.
(54) Afstivnings udstyr til især led= nlngsgrave.(54) Stiffening equipment for joints in particular = digging trenches.
Opfindelsen angår et afstivningsudstyr til især en ledningsgrav som angivet i krav l's indledning.The invention relates to a stiffening equipment, in particular to a conduit, as set out in the preamble of claim 1.
Et afstivningsudstyr af denne art er kendt fra USA patentskrift nr. 3.212.270, Det består af en stiv, af stålprofiler sammensat og med som afstivningselementer tjenende sidedækplader forsynet afstivningsramme. De lodrette hjørnestolper, som kun strækker sig over højden af denne afstivningsramme, har på deres inderside mod hinanden i længderetningen vendende slidseformede £Q føringer for som yderligere afstivelseselementer benyttede for- <N skallingsplader, som kan anbringes i et område under afstivnings- ^ rammen og dér ved hjælp af spænd organer kan trykkes mod en gravs -d" sidevægge.A stiffening equipment of this kind is known from United States Patent No. 3,212,270. It consists of a rigid, steel profile composite and side bracing plates provided with stiffening elements. The vertical corner posts extending only above the height of this stiffening frame have longitudinally facing slit-shaped guides on their inner side for further stiffening elements used as further stiffening elements which can be placed in an area under the stiffening frame and where by means of tensioned bodies can be pressed against a grave -d "sidewalls.
J- V“ *J- V "*
2 1441922 144192
Det kendte afstivningsudstyr har - for de nederste afstivningselementer - ikke nogen ud over disses højde ragende føring og opfylder derfor ikke de sikkerhedsbetingelser, som må stilles til et sådant, til særlig dybe grave beregnet afstivningsudstyr.The known stiffening equipment - for the lower stiffening elements - has no bearing beyond their height and therefore does not meet the safety conditions which must be set for such, especially deep digging intended stiffening equipment.
De i afstivningsrammen værende slidseføringer kan også kun betragtes som føringer for de skørtagtigt nedhængende nederste afstivningselementer, da de ikke opfylder nogen fastholdelsesopgave .The wear guides that are in the stiffening frame can also only be considered as guides for the brittle-hanging lower stiffening elements as they do not fulfill any restraining task.
Afstivningsrammens afstivningselementer kan heller ikke bevæges i forhold til afstivningsrammens rammedele. Det er derfor hele tiden nødvendigt at udgrave graven til korrekt mål, så at afstivningsrammen kan indsættes rigtigt og lodret flugtende i graven. Dette er i praksis som regel ikke gennemførligt, navnlig da afstivningsrammen ikke er indstillelig i sin sideretning.The stiffening elements of the stiffening frame also cannot be moved relative to the stiffening frame's frame parts. It is therefore always necessary to excavate the tomb to the correct dimensions so that the stiffening frame can be inserted properly and vertically in the tomb. In practice, this is usually not feasible, especially since the stiffening frame is not adjustable in its lateral direction.
Et andet kendt afstivningsudstyr (USA patentskrift nr. 841.773) har flugtende over hinanden anbringelige korte skinner med H-tværsnit til optagelse af smalle afstivningsbrædder. Pøringsskinnerne trykkes ved hjælp af spændeorganer mod gravens væg. Til denne art af afstivning kræves der traverser, som rækker ind over graven, og på hvilke de med hinanden forbundne føringsskinner er ophængt. En tilstrækkelig afstivning er ikke gennemførlig med dette arrangement. Man kan højst opnå en slags forskalling. En trinformet afstivning er ikke mulig på denne måde.Another known stiffening equipment (United States Patent Specification No. 841,773) has flush-mounted, short cross-sectional rails with H cross sections for accommodating narrow stiffening boards. The guide rails are pressed against the wall of the grave by means of clamping means. This kind of stiffening requires traverses which extend over the tomb and on which the connecting guide rails are hung. Adequate stiffening is not feasible with this arrangement. You can obtain a form of formwork at most. A step-shaped stiffening is not possible in this way.
Til grund for opfindelsen ligger den opgave - udgående fra det ovenfor angivne afstivningsudstyr - at anvise et afstivningsudstyr, som på simpel måde gør det muligt at afstive selv dybe grave med bedre sikkerhed end hidtil. Endvidere skal afstivningsudstyret på gravens trinafsatser sikre en sikker overgang fra de næstøverste til de nederste afstivningselementer.The object of the invention lies in the task - from the above-mentioned stiffening equipment - to provide a stiffening equipment which in a simple way makes it possible to stiff even deep graves with better security than hitherto. In addition, the stiffening equipment on the tomb step steps must ensure a safe transition from the second upper to the lower stiffening elements.
Denne opgave løses ifølge opfindelsen gennem den i krav l's kendetegnende del angivne konstruktion.This task is solved according to the invention through the construction as defined in claim 1.
De med hinanden forbundne stolper muliggør den med tiltagende uddybning af graven foregående skridtvise og afvekslende indtrængning af stolperne og afstivningselementerne, så at der til enhver tid opnås en god afstivning. Desuden opnås der den fordel, at der kan anbringes mere end to over hinanden anbragte byggeelementer. Endelig muliggør afstivningsudstyret ifølge opfindelsen også en upåklagelig og til enhver tid sikker demontering.The interconnected posts enable the step-by-step and alternate penetration of the posts and bracing elements with increasing depth of the tomb so that a good bracing is obtained at all times. In addition, the advantage is obtained that more than two superposed building elements can be arranged. Finally, the stiffening equipment according to the invention also enables impeccable and safe disassembly at all times.
3 1441923 144192
Fordelagtige udførelsesformer fremgår af underkravene, som angår to alternativer, nemlig på den ene side, at stolperne for de øverste og nederste afstivningsvægge er forskydelige i hinanden og er anbragt nøje passende til hinanden, hvorved udstyret er forholdsvis let at transportere. Endvidere består der den mulighed at udvide en i begyndelsen med kun ét trin udført afstivning til en totrinsafstivning ved hjælp af denne indretning af udstyret, hvorved graven kan gøres tilsvarende dybere (krav 2 og 3).Advantageous embodiments are apparent from the subclaims, which relate to two alternatives, namely, on the one hand, that the posts for the upper and lower stiffening walls are slidable to each other and are positioned closely together, making the equipment relatively easy to transport. Furthermore, it is possible to extend a bracing made at the beginning with only one step to a two-stage bracing by means of this arrangement of the equipment, whereby the tomb can be made correspondingly deeper (claims 2 and 3).
På den anden side omfatter underkravene den mulighed, at de to med hinanden forbundne stolper er udformet "fast" forbundet, f.eks. som dobbeltstolper i ét stykke og således udgør et særlig stift koblingseleraent (krav 4).On the other hand, the subclaims include the possibility that the two interconnected posts are formed "fixedly", e.g. as double poles in one piece and thus constitute a particularly rigid coupling element (claim 4).
Foranstaltningen ifølge krav 5 sikrer en særlig forstærkning af stolperne ved bunden af graven, hvor knækkræfterne er særlig store.The measure according to claim 5 ensures a special reinforcement of the posts at the bottom of the tomb, where the breaking forces are particularly high.
Opfindelsen skal forklares nærmere i forbindelse med tegningen, hvor fig. 1 viser et tværsnit gennem en trinformet ledningsgrav med et afstivningsudstyr ifølge opfindelsen, fig. 2 et forstørret tværsnit efter linien II-II i fig. 1, fig, 3 et forstørret tværsnit efter linien III-III i fig. 1, fig. 4 en ændret udførelsesform for udstyret ifølge opfindelsen, fig. 5 et forstørret tværsnit efter linien V-V i fig. 4, fig. 6 et forstørret tværsnit efter linien VI-VI i fig. 4, og fig. 7 en udførelsesform for udstyret ifølge fig. 4 med en ambolt.The invention will be explained in more detail in connection with the drawing, in which fig. 1 is a cross-section through a step-shaped conduit with a stiffening device according to the invention; FIG. 2 is an enlarged cross section along line II-II of FIG. 1, FIG. 3 is an enlarged cross-sectional view taken along line III-III of FIG. 1, FIG. 4 shows a modified embodiment of the equipment according to the invention; FIG. 5 is an enlarged cross-section along the line V-V in FIG. 4, FIG. 6 is an enlarged cross section along line VI-VI of FIG. 4, and FIG. 7 shows an embodiment of the equipment according to FIG. 4 with an anvil.
Fig. 1 viser et tværsnit gennem en grav 1 med et trinformet afstivningsudstyr 2. Dette består af stolper 3,4. af disse fastholdte afstivningsvægge 5 og 6 er nogle spændeorganer 7, aom trykker de over for hinanden liggende vægge mod gravens væg, og som normalt har indbyrdes modsat forløbende spindler. Disse spændeorganer har sko 8 ved deres ender, hvilke sko fastholdes i stolperne 3,4 og fortrinsvis også er glidbart styret. De kan også være sikret ved hjælp af bolte.FIG. 1 shows a cross section through a tomb 1 with a step-shaped stiffening equipment 2. This consists of posts 3,4. of these retained stiffening walls 5 and 6 are some clamping members 7, which push the opposite walls against the wall of the tomb and which usually have mutually opposite spindles. These clamping means have shoes 8 at their ends, which shoes are retained in posts 3,4 and preferably also slidably controlled. They can also be secured using bolts.
Udførelsesformen ifølge fig. 1-3 gør det muligt at forbinde afstivningsvæggene sikkert ved de af stålprofiler dannede stolper 3.The embodiment of FIG. 1-3 allow the stiffening walls to be securely connected to the posts formed by steel profiles 3.
4 1441924 144192
Ved den her beskrevne udførelsesform når de yderste stolper 3 ned til gravens bund. I det øverste afsnit 9, hvis tværsnit er afbildet i fig. 2, fastholdes afstivningsvæggene 5, hvis underkanter når noget ned under overkanten på stolperne 4, hvori afstivningsvæggene af det nederste afsnit fastholdes. Hver stolpe 4 står foran det nederste afsnit 10 af den tilhørende stolpe 3 og er stift forbundet med denne, for eksempel ved svejsning eller skrueforbindelse. Til undgåelse af for store længder af stolperne 3 kan disse også på passende måde være sammensat af enkeltdele. Pig. 3 viser et tværsnit gennem det nederste afsnit 10. Den viste trinform kan principielt gentages flere gange.In the embodiment described herein, the outermost posts 3 reach down to the bottom of the tomb. In the upper section 9, whose cross section is depicted in FIG. 2, the stiffening walls 5 are retained, the lower edges of which reach slightly below the upper edge of the posts 4, in which the stiffening walls of the lower section are retained. Each post 4 is in front of the lower section 10 of the associated post 3 and is rigidly connected to it, for example by welding or screw connection. To avoid excessive lengths of the posts 3, these may also be suitably composed of individual parts. Pig. 3 shows a cross section through the lower section 10. The displayed step step can in principle be repeated several times.
Pig. 4-7 viser en anden udførelsesform for udstyret. Her er den yderste pæl 3* kun drevet ned i jorden til noget under den øverste kant af den nederste stolpe 4. Stolpen 4 er glidbart styret i føringen 11, som er beregnet til spænd©organernes 7 sko 8, og støtter med sit øverste afsnit 12 mod stolpen 3’.Pig. 4-7 show another embodiment of the equipment. Here, the outer pole 3 * is driven only into the ground to something below the upper edge of the lower pole 4. The pole 4 is slidably guided in the guide 11, which is intended for tension © the shoes of the organs 7 and supports with its upper section 12 towards the post 3 '.
Hver stolpe 3 og 4 består som ved udførelsesformen ifølge fig. 1-3 i hovedsagen af to indbyrdes sammensvejsede I-profiler med vinkelprofiler i siderne og har i det mindste delvis en føring 11 for spændeorganets 7 sko 8 samt sideføringer 12 til sikker optagelse af afstivningsvæggenes 5 og 6 hoveder 13.Each post 3 and 4 consists, as in the embodiment of FIG. 1-3, generally of two mutually welded I-profiles with angular profiles in the sides and at least partially have a guide 11 for the shoes 8 of the clamping member 7 and side guides 12 for securely accommodating the heads 13 of the stiffening walls 5 and 6.
Som bekendt trykkes stolperne ned i jorden med skovlen på en gravemaskine. Da de inderste stolper 4 er vanskeligt tilgængelige for gravemaskinens skovl, forefindes der en U-formet ambolt 14, hvis ene gren er nået længere end den virksomme højde af afstivningsvæggen 6.As you know, the posts are pushed into the ground with the bucket on an excavator. Since the innermost posts 4 are difficult to access to the excavator's bucket, there is a U-shaped anvil 14 whose one branch has reached longer than the effective height of the stiffening wall 6.
En sådan ambolt er vist i fig. 7. Den anbringes oppefra på eller i stolperne 3 og 4, for eksempel som vist i fig. 7 på tværboltene 16 i stolpernes indre og neddrives ved hjælp af gravemaskinens skovl eller et andet nedramningsapparat, som ekematisk er betegnet med tallet 15.Such an anvil is shown in FIG. 7. It is mounted from above on or in posts 3 and 4, for example as shown in FIG. 7 on the cross bolts 16 in the interior of the posts and driven by the bucket of the excavator or some other ramming apparatus, which is ecematically designated by the number 15.
Væggene ifølge opfindelsen muliggør på den ene side en forskydning af spændeorgane vie 7 på kendt måde, På den anden side kan spændeorganerne i de enkelte trin ved afstivningsudstyret ifølge fig. 4-7 trækkes op enkeltvis og indbyrdes uafhængigt, idet man hensigtsmæssigt går ud fra de inderste vægge. Dette er også muligt, når man sammensætter afstivningsudstyret 2 ifølge fig. 1 af indbyrdes demonterbart forbundne indretninger. Hvis man løser disse afstivningsvægge fra hinanden, opnår man især den fordel, at den 5 144192 fordel, at den nederste del af stolperne 3 ikke mere har nogen afstivningsvægge, så at denne del let kan trækkes op, selv når graven atter er fyldt op dertil.The walls of the invention, on the one hand, allow for displacement of clamping means 7 in a known manner. On the other hand, the clamping means in the individual steps of the stiffening equipment according to FIG. 4-7 are drawn up individually and independently, taking advantage of the innermost walls. This is also possible when assembling the stiffening equipment 2 according to FIG. 1 of mutually removable devices. If you disassemble these stiffening walls, you will especially gain the advantage that the lower part of the posts 3 no longer has any stiffening walls, so that this part can easily be pulled up, even when the tomb is filled up again. .
Føringen 11 i stolperne 3 og 4 kan være delvis afbrudt eller ændret, navnlig for at give mulighed for, at man skal kunne indsætte en yderligere væg inde i graven i den nederste del af føringen. De inderste stolper behøver da ikke at indføres fra den øverste ende af de yderste stolper.The guide 11 in posts 3 and 4 may be partially broken or changed, in particular to allow for the possibility of inserting an additional wall inside the tomb in the lower part of the guide. The innermost posts then need not be inserted from the upper end of the outermost posts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2302053A DE2302053C3 (en) | 1973-01-17 | 1973-01-17 | Shoring device for a line trench or the like. with a stepped cross-section |
| DE2302053 | 1973-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK144192B true DK144192B (en) | 1982-01-11 |
| DK144192C DK144192C (en) | 1982-06-14 |
Family
ID=5869140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK20974A DK144192C (en) | 1973-01-17 | 1974-01-16 | SUSPENSION EQUIPMENT FOR ISAER CONDUCT |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US3910053A (en) |
| AT (1) | AT328970B (en) |
| BE (1) | BE808839A (en) |
| CH (1) | CH561335A5 (en) |
| DE (1) | DE2302053C3 (en) |
| DK (1) | DK144192C (en) |
| ES (1) | ES421544A1 (en) |
| FI (1) | FI60050C (en) |
| FR (1) | FR2214306A5 (en) |
| GB (1) | GB1450622A (en) |
| HK (1) | HK19278A (en) |
| HU (1) | HU175246B (en) |
| IN (1) | IN142166B (en) |
| IT (1) | IT1006826B (en) |
| MY (1) | MY7800246A (en) |
| NL (1) | NL162444C (en) |
| SE (1) | SE411774B (en) |
| SU (1) | SU643091A3 (en) |
| YU (1) | YU36203B (en) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2333901A1 (en) * | 1975-12-01 | 1977-07-01 | Koehl Jean | MULTI-STAGE TELESCOPIC TRENCH SHIELDING |
| DE2816709C2 (en) * | 1978-04-18 | 1985-01-03 | Josef 5138 Heinsberg Krings | Shoring device for multi-level shoring |
| HU178562B (en) * | 1979-02-02 | 1982-05-28 | Peter Hajos | Telescoplike timber frame for making farming of large panel |
| DE3243122C2 (en) * | 1982-11-22 | 1994-12-01 | Kotex Ind Handel Gmbh | Shoring device for supporting the walls of a trench with a stepped cross section |
| DE3423853C2 (en) * | 1984-06-28 | 1989-10-12 | Krings International Inh. Josef Krings, 5138 Heinsberg | Shoring device for trenches |
| GB8501531D0 (en) * | 1985-01-22 | 1985-02-20 | Shorco Trench Systems Ltd | Trench shoring equipment |
| DE3906559C2 (en) * | 1988-03-02 | 2000-06-21 | Zdravko Grubic | Shoring device for rectangular pits, especially graves |
| DE3914861C1 (en) * | 1989-05-07 | 1991-01-17 | Sbh Anlage-Technik Gmbh, 5138 Heinsberg, De | Shoring for trenches and drains - involved supports with C=shaped guide channels to hold wall units |
| US5158398A (en) * | 1992-02-11 | 1992-10-27 | F.P. & Sons, Inc. | Method and apparatus for an excavation support system for trenches |
| US5195849A (en) * | 1992-03-12 | 1993-03-23 | Stapleton Thomas J | Trench shoring apparatus |
| DE4230860A1 (en) * | 1992-09-15 | 1994-03-17 | Wilhelm Hes | Shoring device |
| US5302054A (en) * | 1992-09-23 | 1994-04-12 | W. E. Winkler | Hole shoring system |
| US7048471B2 (en) | 2000-04-05 | 2006-05-23 | Maksim Kadiu | Shoring device |
| US6821057B1 (en) | 2000-04-05 | 2004-11-23 | Maksim Kadiu | Magnetic shoring device |
| US6848865B2 (en) * | 2003-02-06 | 2005-02-01 | Max Kadiu | Shoring device |
| US7056067B2 (en) * | 2003-10-03 | 2006-06-06 | Max Kadiu | Trench shoring device |
| WO2005113917A1 (en) * | 2004-05-20 | 2005-12-01 | Bluescope Steel Limited | A wall panel |
| DE102004041116A1 (en) * | 2004-08-24 | 2006-03-02 | Emunds & Staudinger Gmbh | shoring |
| EP2010717B1 (en) | 2006-04-26 | 2012-12-26 | Wilhelm Hess | Method for lining ditches |
| DE102006019236B4 (en) * | 2006-04-26 | 2008-01-31 | Hess, Wilhelm | Method and device for trenching |
| US8613573B2 (en) * | 2009-09-08 | 2013-12-24 | Max Kadiu | Telescopic shoring system |
| PL2722443T3 (en) | 2012-10-16 | 2016-01-29 | Wilhelm Hess | Method and device for shoring deep trenches |
| DE202015105797U1 (en) | 2015-10-30 | 2015-11-13 | Theo Heitkamp | Verbauvorrichtung with large-scale Verbauplatten |
| CN105951848B (en) * | 2016-07-01 | 2018-06-19 | 浙江新曙光建设有限公司 | Ultra-deep foundation pit supports Non-intermittent combined type transformational structure and construction method |
| CN108951640A (en) * | 2018-07-02 | 2018-12-07 | 上海建工集团股份有限公司 | A kind of Extra-Deep Foundation Pit construction method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US841773A (en) * | 1906-03-15 | 1907-01-22 | Albert W Fitzgerald | Trench-sheeting. |
| US1009312A (en) * | 1907-09-10 | 1911-11-21 | George W Jackson | Lining-wall for shafts. |
| US3212270A (en) * | 1961-11-09 | 1965-10-19 | Ben Construction Company | Safety device for excavations |
| US3159978A (en) * | 1962-06-22 | 1964-12-08 | Lillo Joseph De | Sheathing system |
| US3555830A (en) * | 1969-01-27 | 1971-01-19 | Pomeroy & Co Inc J H | Concrete wall structure and method |
| US3788086A (en) * | 1972-04-13 | 1974-01-29 | Charter Enterprises Inc | Protective barrier |
-
1973
- 1973-01-17 DE DE2302053A patent/DE2302053C3/en not_active Expired
- 1973-11-22 AT AT982073A patent/AT328970B/en not_active IP Right Cessation
- 1973-12-11 ES ES421544A patent/ES421544A1/en not_active Expired
- 1973-12-12 FI FI3802/73A patent/FI60050C/en active
- 1973-12-14 FR FR7344805A patent/FR2214306A5/fr not_active Expired
- 1973-12-18 CH CH1781473A patent/CH561335A5/xx not_active IP Right Cessation
- 1973-12-18 YU YU3279/73A patent/YU36203B/en unknown
- 1973-12-19 BE BE139044A patent/BE808839A/en not_active IP Right Cessation
-
1974
- 1974-01-04 GB GB35274A patent/GB1450622A/en not_active Expired
- 1974-01-07 SU SU741985951A patent/SU643091A3/en active
- 1974-01-08 US US431788A patent/US3910053A/en not_active Expired - Lifetime
- 1974-01-09 IT IT19239/74A patent/IT1006826B/en active
- 1974-01-15 SE SE7400506A patent/SE411774B/en not_active IP Right Cessation
- 1974-01-16 DK DK20974A patent/DK144192C/en active
- 1974-01-16 HU HU74KI700A patent/HU175246B/en unknown
- 1974-01-17 NL NL7400670.A patent/NL162444C/en not_active IP Right Cessation
-
1975
- 1975-07-25 IN IN1458/CAL/1975A patent/IN142166B/en unknown
-
1978
- 1978-04-04 HK HK192/78A patent/HK19278A/en unknown
- 1978-12-30 MY MY246/78A patent/MY7800246A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI60050C (en) | 1981-11-10 |
| HU175246B (en) | 1980-06-28 |
| AT328970B (en) | 1976-04-26 |
| YU36203B (en) | 1982-02-25 |
| BE808839A (en) | 1974-04-16 |
| DE2302053C3 (en) | 1979-03-15 |
| ES421544A1 (en) | 1976-05-01 |
| SE411774B (en) | 1980-02-04 |
| FI60050B (en) | 1981-07-31 |
| NL162444B (en) | 1979-12-17 |
| IN142166B (en) | 1977-06-04 |
| US3910053A (en) | 1975-10-07 |
| IT1006826B (en) | 1976-10-20 |
| HK19278A (en) | 1978-04-14 |
| NL162444C (en) | 1980-05-16 |
| MY7800246A (en) | 1978-12-31 |
| AU6419474A (en) | 1975-07-10 |
| YU327973A (en) | 1981-06-30 |
| GB1450622A (en) | 1976-09-22 |
| NL7400670A (en) | 1974-07-19 |
| SU643091A3 (en) | 1979-01-15 |
| CH561335A5 (en) | 1975-04-30 |
| DE2302053B2 (en) | 1978-07-13 |
| DK144192C (en) | 1982-06-14 |
| DE2302053A1 (en) | 1974-07-18 |
| FR2214306A5 (en) | 1974-08-09 |
| ATA982073A (en) | 1975-06-15 |
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