EP2186944B1 - Locking assurance construction - Google Patents
Locking assurance construction Download PDFInfo
- Publication number
- EP2186944B1 EP2186944B1 EP09175649.4A EP09175649A EP2186944B1 EP 2186944 B1 EP2186944 B1 EP 2186944B1 EP 09175649 A EP09175649 A EP 09175649A EP 2186944 B1 EP2186944 B1 EP 2186944B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- locking ring
- transverse holes
- lock
- piles
- Prior art date
- 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.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims description 10
- 239000011150 reinforced concrete Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000669 biting effect Effects 0.000 claims description 3
- 208000002991 Ring chromosome 4 syndrome Diseases 0.000 description 13
- 239000004567 concrete Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
Definitions
- the invention relates to a locking assurance construction in an extension joint for precast reinforced concrete piles, with a first reinforced concrete pile applied thereto and a second reinforced concrete pile having, at their interconnectble ends, lock housings provided with transverse holes, and lock bars provided with transverse holes, whereby the lock housings and lock bars of end-to-end applied piles extend one within the other in a longitudinal direction of the piles with the transverse holes thereof in line with each other, as well as insert pins crosswise of the piles and extending through these aligned transverse holes.
- Publication FI-76169 describes a device for joining together building units, comprising a lock housing positioned in one building unit, a peg projecting from the other building unit and arranged to be inserted into the lock housing in the joined position of the units, the free end of said peg being provided with a flange, and a locking means which is arranged to be inserted into the lock housing for locking the peg in the housing in the direction of the longitudinal axis thereof.
- the locking means comprises two branches arranged to be positioned on different sides of the peg, the lock housing being provided with a guide surface for turning the branches towards each other after they have passed the peg.
- the guide surface of the lock housing comprises a substantially continuous arcuate surface positioned behind the peg as viewed in the direction in which the locking means is knocked in place.
- Publication SE-508943 describes a stiff extension joint for connecting concrete piles end to end, in which each end of the concrete pile that comes to the joint comprises a base plate that corresponds to the cross-section of the pile, joining members being attached to the base plate which consist: of projecting locking bars comprising a wide head which comprises at least one stop face that points towards said base plate; of locking blocks on the counterpart which are provided with a cavity that receives the locking bar, and with a groove transversal to the length of the locking bars, the groove extending around the cavity in a toroid-like way, and with a hole that extends from this groove at least approximately tangentially.
- the joining members further include an insert pin that is driven into the hole when the pile joint is made so that it turns around the locking bar in the cavity, guided by the circumferential surface of the groove, whereby it is simultaneously locked permanently in place because of plastic deformation.
- the cross-section of the insert pin is uniform at least along the essential part of its length, beginning from the end of the insert pin which is pushed ahead through the hole to the groove, and that this cross-section remains at least approximately the same throughout this part of the length, whereby the insert pin clamps the parts of the pile joint together while penetrating to the groove between the stop face of the locking bar and the stop face of the locking block, and, at the same time, the locking means is bent under the effect of the curved surface of the groove.
- Publication FI-20020172 describes a locking assurance feature in an extension joint for precast reinforced concrete piles.
- the ends of pile segments include lock housings provided with transverse holes, and lock bars or joint shackles as well as transverse grooves or transverse slots in communication therewith.
- the lock housings and lock bars or joint shackles present at the abutting ends of piles extend lengthwise of the piles one within the other or respectively in an overlapping manner, establishing junctions at which the transverse holes thereof are in line with each other, and insert pins extending crosswise of the piles and through the aligned transverse holes.
- the cited publication proposes that the transverse grooves or transverse slots extend through a pile, either from a lateral flank of the pile to the opposite lateral flank or from a lateral flank of the pile to an adjoining lateral flank, and that said plate segments extend at both outer ends of each transverse groove or transverse slot over part of the cross-section of the transverse groove or respectively the transverse slot and are adapted to yield by deflection upon striking the insert pin through the transverse holes presently in said alignment with each other.
- a locking assurance feature according to the invention is characterized by what is defined in the characterizing clause of claim 1.
- the most important benefit of the invention is that, when using components of the invention capable of providing a locking assurance function, neither any accessories other than basically conventional insert pins, nor any extra operations other than per se conventional home-striking of the insert pins, are needed at the installation site in the process of making an extension joint for piles. Nonetheless, the immobilization of insert pins is secured, i.e. the inadvertent dislodgement thereof is precluded, as a result of strain taking place in a locking ring of the invention. Hence, the extension joint does not disengage as interconnected pile segments are driven into the ground by ramming or vibration.
- each extension joint for per se known and commonly employed precast reinforced concrete piles, the engagement of abutting and interconnectible ends 11, 12 of a first reinforced concrete pile P1 applied to the joint and a second reinforced concrete pile P2 is effected by joining members.
- the invention relates to such joining members for reinforced concrete piles which comprise lock housings 2a provided with transverse holes 3a, and lock bars 2b provided with transverse holes 3b.
- said extension joint comprises a plurality of nested lock housing-lock bar pairs at a distance from the pile's center axis and at a distance from each other, as can be seen in fig.
- the mutual extension joint of reinforced concrete piles is established in such a way that the lock bars 2b at an end 21 of the reinforced concrete pile P1 are inserted inside the lock housings 2a and vice versa in a lengthwise direction K of the piles. Both of the pile ends are typically provided with both lock housings 2a and lock bars 2b in such a disposition that the lock bars are installable in register with and inside the lock housings.
- the extension joint involves the use of insert pins 16, which are struck forcefully, and in an inward striking direction T lateral to a longitudinal direction Lp of the piles, through the mutually aligned transverse holes 3a and 3b of the lock housings and lock bars.
- the extension joint takes up the first reinforced concrete pile P1 and the second reinforced concrete pile P2, and the extension joint is established by means of the nesting lock housings 2a and lock bars 2b at the connectible ends 11, 12 thereof, as well as by means of the insert pins 16.
- the lock housings 2a include transverse holes 3a and the lock bars 2b include transverse holes 3b.
- the lock housings and lock bars of abutting piles extend in the longitudinal direction Lp of the piles in a nested configuration and the transverse holes 3a and 3b thereof settle in alignment with each other, whereby the insert pins 16 extend through these aligned transverse holes 3a, 3b in a direction crosswise of the piles, thus locking the reinforced concrete piles or precast pile segments to each other.
- the extension joint for precast reinforced concrete piles is further provided with a locking assurance - or locking safety - construction 1, which is used for disallowing a dislodgement of the insert pins - in a direction opposite to the inward striking direction T - from a continuous aperture established by the transverse holes 3a and 3b of the lock housings and lock bars upon driving the interconnected reinforced concrete piles, i.e. a precast pile, into the ground by ramming or vibration.
- a locking assurance - or locking safety - construction 1 which is used for disallowing a dislodgement of the insert pins - in a direction opposite to the inward striking direction T - from a continuous aperture established by the transverse holes 3a and 3b of the lock housings and lock bars upon driving the interconnected reinforced concrete piles, i.e. a precast pile, into the ground by ramming or vibration.
- the locking assurance construction 1 comprises a locking ring 4, which is retained stationary in each internal extension 13 of the transverse holes 3a in the lock housings 2a, and which includes a central aperture 15.
- the central aperture 15 can be circular, angular, or elliptical, depending on whether an inner end 7 of the insert pin 16 is circular, polygonal, or elliptical.
- the central aperture 15 has its outline adapted to match a cross-sectional shape of the inner end 7.
- the lock housings 2a which lie inside the ends 11, 12 of the respective reinforced concrete piles P1 and P2 and consequently surrounded by concrete, have the transverse holes thereof extended by the above-mentioned inner extension 13 and an outer extension 14, both preventing pile-casting concrete B from penetrating into a transverse hole in the lock housing and keeping a passage for the insert pin 16 open to an outer face 18 of the pile and through the lock housing.
- the outer extension 14 extends in line with the lock housing's 2a transverse hole 3a to the outer pile face 18, and the inner extension 13, together with an end cap 8, plugs the lock housing's 2a transverse hole 3a at its internal end.
- the locking ring's 4 outline, establishing its outer diameter can be circular, polygonal, or elliptical.
- the locking ring 4 has an outer diameter D1 and the central aperture 15 has a bore diameter D3.
- the locking ring 4 is further provided, between the outer diameter D1 and an inner diameter D2, with a continuous peripheral segment 5, as well as between the inner diameter D2 and the central aperture's 15 bore diameter D3, with spring tabs 6 separated from each other by radial slots 9, as visualized in fig. 3 .
- the insert pins 16 include a cylindrical or cross-sectionally polygonal inner end 7, having an engagement diameter D4 which is less than the locking ring's inner diameter D2 and more than the locking ring's bore diameter D3.
- the term cylindrical refers both to the shape of a circular cylinder and that of an elliptic cylinder.
- the insert pin 16 is struck in the inward striking direction T and the inner end 7 first through the outer extension 14, the transverse holes 3a and 3b, and further to the inner extension 13 in which the locking ring 4 is present. More specifically, at least the insert pin's inner end 7 penetrates inside the inner extension 13.
- the inner end's 7 diameter D4 is more than the bore diameter D3 of the locking ring's central aperture 15, but less than the locking ring's inner diameter D2, a penetration of the inner end 7 in the inward striking direction T through the locking ring's central aperture 15 results in a deflection of the spring tabs 6 also in the inward striking direction T, as depicted in fig. 2 .
- diameter refers in this specification to the diameter of a circular form and to all diagonal dimensions extending by way of the center of any polygonal shape, In this context, explicitly one diagonal of a non-circular inner end, such as a diagonal dimension equal to the lateral length, is compared with the respective diagonal of a non-circular central aperture, such as with a diagonal dimension equal to its lateral length.
- the material of the insert pins 16 is adapted to have a hardness lesser than that of the material of the locking rings 4.
- the locking ring's spring tabs 6 have their inner lips 17 biting into the insert pin's 16 cylindrical inner end 7 as the insert pin is in a position where it has been struck through the mutually aligned transverse holes 3a and 3b, the spring tabs 6 being in a deflected condition as described above.
- This biting action of the inner lips 17 is depicted in fig. 2 .
- the locking ring's 4 spring tabs 6 have such a thickness S that it enables a deflection of the spring tabs as the insert pin's 16 cylindrical inner end 7 is struck into the locking ring's aperture 15.
- the spring tabs 6 are not less than 0.5 mm and not more than 2 mm in thickness S, but it is obvious that the design depends on the locking ring's 4 material, as well as slightly also on the insert pin's 16 material. It is also possible to provide the insert pin's inner end 7 with a peripheral groove 20, into which the spring tabs' 6 inner lips 17 penetrate when the insert pin is in a position where it has been struck through the mutually aligned transverse holes 3a and 3b, the spring tabs 6 being in a deflected condition, as depicted in fig. 4 . In the case of using a peripheral groove 20, the relationship between the hardness of the insert pins' material and that of the locking rings' material does not have a substantial significance.
- the locking ring 4 is in a fixed stationary position in the internal extension 13. More specifically, the locking ring 4 is disposed between the actual internal extension 13, which is a tubular component, and the end cap 8.
- the internal extension 13 includes a broached portion 19, extending from its inner end towards the outer face and having a diameter substantially equal to the locking ring's outer diameter D1, whereby the locking ring 4 can be accommodated in this broached portion 19.
- the end cap's 8 outer diameter is also in the same order of magnitude as the locking ring's outer diameter D1.
- the end cap 8 can be locked in place within the broached portion 19 either by a press fit or by a weld not shown in the figures. In any case, this enables retaining the locking ring 4 stationary within the internal extension 13 as the end cap 8 holds the locking ring 4 is stationary against the internal extension. It is obvious that there are also other ways of fixing the locking ring 4 immovably in the internal extension 13.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Description
- The invention relates to a locking assurance construction in an extension joint for precast reinforced concrete piles, with a first reinforced concrete pile applied thereto and a second reinforced concrete pile having, at their interconnectble ends, lock housings provided with transverse holes, and lock bars provided with transverse holes, whereby the lock housings and lock bars of end-to-end applied piles extend one within the other in a longitudinal direction of the piles with the transverse holes thereof in line with each other, as well as insert pins crosswise of the piles and extending through these aligned transverse holes.
- In the extension joints of precast reinforced concrete piles, an effort has been made to secure these end-to-end joints in various ways, in other words an effort has been made to provide such locking mechanisms which do not disengage upon hammering into the ground or vibration. Publication
FI-76169 SE-508943 - Publication
FI-20020172 - A locking assurance feature according to the invention is characterized by what is defined in the characterizing clause of claim 1.
- The most important benefit of the invention is that, when using components of the invention capable of providing a locking assurance function, neither any accessories other than basically conventional insert pins, nor any extra operations other than per se conventional home-striking of the insert pins, are needed at the installation site in the process of making an extension joint for piles. Nonetheless, the immobilization of insert pins is secured, i.e. the inadvertent dislodgement thereof is precluded, as a result of strain taking place in a locking ring of the invention. Hence, the extension joint does not disengage as interconnected pile segments are driven into the ground by ramming or vibration.
- The invention will now be described in detail with reference to the accompanying drawings.
-
Fig. 1 shows schematically two reinforced concrete piles, i.e. precast pile segments, connectible to each other end to end by means of an extension joint, in an axonometric exploded view. -
Fig. 2 shows, in an extension joint of the invention for reinforced concrete piles or precast pile segments, a lock housing and a lock bar, which lie one within the other in a longitudinal direction of the piles, as well as a crosswise insert pin extending through transverse holes therein, in a section plane I-I offig. 1 , which is longitudinal and extends across the insert pin's center axis. -
Fig. 3 shows a stationary locking ring for the lock housings in an extension joint of the invention for reinforced concrete piles or precast pile segments, in a view along a direction II-II offig. 2 , which is perpendicular to the ring's plane and parallel to the insert pin's length. -
Fig. 4 shows, in an extension joint of the invention, an alternative shape for the internal end of an insert pin, in a view of an area III offig. 3 from outside the insert pin. - In each extension joint for per se known and commonly employed precast reinforced concrete piles, the engagement of abutting and
interconnectible ends 11, 12 of a first reinforced concrete pile P1 applied to the joint and a second reinforced concrete pile P2 is effected by joining members. The invention relates to such joining members for reinforced concrete piles which comprise lock housings 2a provided withtransverse holes 3a, and lock bars 2b provided withtransverse holes 3b. In order to provide a sufficient stiffness for the extension joint, i.e. to make it capable of withstanding a sufficient deflection while being driven into the ground, said extension joint comprises a plurality of nested lock housing-lock bar pairs at a distance from the pile's center axis and at a distance from each other, as can be seen infig. 1 . The mutual extension joint of reinforced concrete piles is established in such a way that the lock bars 2b at an end 21 of the reinforced concrete pile P1 are inserted inside the lock housings 2a and vice versa in a lengthwise direction K of the piles. Both of the pile ends are typically provided with both lock housings 2a and lock bars 2b in such a disposition that the lock bars are installable in register with and inside the lock housings. The extension joint involves the use ofinsert pins 16, which are struck forcefully, and in an inward striking direction T lateral to a longitudinal direction Lp of the piles, through the mutually alignedtransverse holes connectible ends 11, 12 thereof, as well as by means of theinsert pins 16. To enable a pass-through of the insert pins, the lock housings 2a includetransverse holes 3a and the lock bars 2b includetransverse holes 3b. The lock housings and lock bars of abutting piles extend in the longitudinal direction Lp of the piles in a nested configuration and thetransverse holes insert pins 16 extend through these alignedtransverse holes - The extension joint for precast reinforced concrete piles is further provided with a locking assurance - or locking safety - construction 1, which is used for disallowing a dislodgement of the insert pins - in a direction opposite to the inward striking direction T - from a continuous aperture established by the
transverse holes - According to the invention, the locking assurance construction 1 comprises a locking ring 4, which is retained stationary in each
internal extension 13 of thetransverse holes 3a in the lock housings 2a, and which includes a central aperture 15. The central aperture 15 can be circular, angular, or elliptical, depending on whether aninner end 7 of theinsert pin 16 is circular, polygonal, or elliptical. Thus, the central aperture 15 has its outline adapted to match a cross-sectional shape of theinner end 7. The lock housings 2a, which lie inside theends 11, 12 of the respective reinforced concrete piles P1 and P2 and consequently surrounded by concrete, have the transverse holes thereof extended by the above-mentionedinner extension 13 and an outer extension 14, both preventing pile-casting concrete B from penetrating into a transverse hole in the lock housing and keeping a passage for theinsert pin 16 open to anouter face 18 of the pile and through the lock housing. More specifically, the outer extension 14 extends in line with the lock housing's 2atransverse hole 3a to theouter pile face 18, and theinner extension 13, together with an end cap 8, plugs the lock housing's 2atransverse hole 3a at its internal end. Likewise, the locking ring's 4 outline, establishing its outer diameter, can be circular, polygonal, or elliptical. The locking ring 4 has an outer diameter D1 and the central aperture 15 has a bore diameter D3. The locking ring 4 is further provided, between the outer diameter D1 and an inner diameter D2, with a continuousperipheral segment 5, as well as between the inner diameter D2 and the central aperture's 15 bore diameter D3, withspring tabs 6 separated from each other by radial slots 9, as visualized infig. 3 . Theinsert pins 16 include a cylindrical or cross-sectionally polygonalinner end 7, having an engagement diameter D4 which is less than the locking ring's inner diameter D2 and more than the locking ring's bore diameter D3. In this context, the term cylindrical refers both to the shape of a circular cylinder and that of an elliptic cylinder. Hence, theinsert pin 16 is struck in the inward striking direction T and theinner end 7 first through the outer extension 14, thetransverse holes inner extension 13 in which the locking ring 4 is present. More specifically, at least the insert pin'sinner end 7 penetrates inside theinner extension 13. Because the inner end's 7 diameter D4 is more than the bore diameter D3 of the locking ring's central aperture 15, but less than the locking ring's inner diameter D2, a penetration of theinner end 7 in the inward striking direction T through the locking ring's central aperture 15 results in a deflection of thespring tabs 6 also in the inward striking direction T, as depicted infig. 2 . The concept "diameter" refers in this specification to the diameter of a circular form and to all diagonal dimensions extending by way of the center of any polygonal shape, In this context, explicitly one diagonal of a non-circular inner end, such as a diagonal dimension equal to the lateral length, is compared with the respective diagonal of a non-circular central aperture, such as with a diagonal dimension equal to its lateral length. - The material of the
insert pins 16 is adapted to have a hardness lesser than that of the material of the locking rings 4. Hence the locking ring'sspring tabs 6 have theirinner lips 17 biting into the insert pin's 16 cylindricalinner end 7 as the insert pin is in a position where it has been struck through the mutually alignedtransverse holes spring tabs 6 being in a deflected condition as described above. This biting action of theinner lips 17 is depicted infig. 2 . For this purpose, the locking ring's 4spring tabs 6 have such a thickness S that it enables a deflection of the spring tabs as the insert pin's 16 cylindricalinner end 7 is struck into the locking ring's aperture 15. Typically, thespring tabs 6 are not less than 0.5 mm and not more than 2 mm in thickness S, but it is obvious that the design depends on the locking ring's 4 material, as well as slightly also on the insert pin's 16 material. It is also possible to provide the insert pin'sinner end 7 with aperipheral groove 20, into which the spring tabs' 6inner lips 17 penetrate when the insert pin is in a position where it has been struck through the mutually alignedtransverse holes spring tabs 6 being in a deflected condition, as depicted infig. 4 . In the case of using aperipheral groove 20, the relationship between the hardness of the insert pins' material and that of the locking rings' material does not have a substantial significance. - The locking ring 4 is in a fixed stationary position in the
internal extension 13. More specifically, the locking ring 4 is disposed between the actualinternal extension 13, which is a tubular component, and the end cap 8. Theinternal extension 13 includes a broachedportion 19, extending from its inner end towards the outer face and having a diameter substantially equal to the locking ring's outer diameter D1, whereby the locking ring 4 can be accommodated in this broachedportion 19. The end cap's 8 outer diameter is also in the same order of magnitude as the locking ring's outer diameter D1. Thus, the end cap 8 can be locked in place within the broachedportion 19 either by a press fit or by a weld not shown in the figures. In any case, this enables retaining the locking ring 4 stationary within theinternal extension 13 as the end cap 8 holds the locking ring 4 is stationary against the internal extension. It is obvious that there are also other ways of fixing the locking ring 4 immovably in theinternal extension 13.
Claims (5)
- A locking assurance construction in an extension joint for precast reinforced concrete piles, with a first reinforced concrete pile (P1) and a second reinforced concrete pile (P2) applied thereto having, at their interconnectible ends (11, 12), lock housings (2a) provided with transverse holes (3a), and lock spindles (2b) provided with transverse holes (3b), whereby the lock housings and lock spindles of end-to-end applied piles extend one within the other in a longitudinal direction (Lp) of the piles with the transverse holes (3a and 3b) in line with each other, as well as insert pins (16) crosswise of the piles and extending through these aligned transverse holes (3a, 3b), characterized in that said locking assurance construction comprises:- a locking ring (4) stationary in each internal extension (13) of the transverse holes (3a) in the lock housings (2a), said ring having an outer diameter (D1) and a bore diameter (D3), and said locking ring having, between the outer diameter (D1) and an inner diameter (D2), a continuous peripheral segment (5) as well as, between the inner diameter (D2) and the bore diameter (D3) of a central aperture (15), spring tabs (6) separated from each other by radial slots (9), and- in the insert pins (16), a cylindrical or cross-sectionally polygonal inner end (7), having an engagement diameter (D4) which is less than the locking ring's inner diameter (D2) and more than the locking ring's bore diameter (D3).
- A locking assurance construction according to claim 1, characterized by further comprising end caps (8), each of which plugs the transverse hole (3a) in each internal extension (13) and retains the locking ring (4) stationary against the internal extension.
- A locking assurance construction according to claim 1 or 2, characterized in that the insert pins' (16) material has a hardness which is lower than that of the locking rings' (4) material, whereby the locking ring's spring tabs (6) have their inner lips (17) biting into the insert pin's (16) inner end (7) when the insert pin is in a position struck through the mutually aligned transverse holes (3a and 3b), thus resulting in a deflected condition of the spring tabs (6).
- A locking assurance construction according to claim 1 or 2 or 3, characterized in that the spring tabs (6) of a locking ring (4) has a thickness (S) which causes a deflection of the spring tabs when the cylindrical inner end (7) of an insert pin (16) is struck into the locking ring's central aperture (15); that the thickness (S) is not less than 0.5 mm; and that the thickness (S) is not more than 2 mm.
- A locking assurance construction according to any of the preceding claims, characterized in that the inner end (7) of the insert pins (16) is provided with a peripheral groove (20) for the inner lip (17) of a locking ring's spring tabs (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09175649T PL2186944T3 (en) | 2008-11-17 | 2009-11-11 | Locking assurance construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20080367U FI8230U1 (en) | 2008-11-17 | 2008-11-17 | Barring fuse structure |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2186944A2 EP2186944A2 (en) | 2010-05-19 |
EP2186944A3 EP2186944A3 (en) | 2012-06-06 |
EP2186944B1 true EP2186944B1 (en) | 2013-05-29 |
Family
ID=40097399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09175649.4A Active EP2186944B1 (en) | 2008-11-17 | 2009-11-11 | Locking assurance construction |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2186944B1 (en) |
FI (1) | FI8230U1 (en) |
PL (1) | PL2186944T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020094923A1 (en) | 2018-11-07 | 2020-05-14 | Leimet Oy | Pile joint |
RU200419U1 (en) * | 2020-06-19 | 2020-10-23 | Сергей Александрович Суворов | Castle pile connection |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO20150468A1 (en) | 2015-04-20 | 2016-10-21 | Sverre Steinar Fredriksen | Fur skins and method of use |
CN113756298A (en) * | 2021-08-16 | 2021-12-07 | 湖南省开源水电建筑工程有限公司 | Anti-seepage tubular pile in flood season and construction method thereof |
GB202116447D0 (en) * | 2021-11-15 | 2021-12-29 | Norwegian Univ Sci & Tech Ntnu | Joints for pre-cast driven piles |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8504456U1 (en) * | 1985-02-16 | 1985-06-13 | Otto, Joachim, 2100 Hamburg | Locking device |
FI961552A0 (en) * | 1996-04-09 | 1996-04-09 | Leimet Oy | Laosfog Foer betongpaolar |
ES1057314Y (en) * | 2004-03-31 | 2004-11-01 | Terratest Tecn Especiales S A | PUMP HEAD FOR PRETENSED PREFABRICATED PILOTS |
-
2008
- 2008-11-17 FI FI20080367U patent/FI8230U1/en not_active IP Right Cessation
-
2009
- 2009-11-11 PL PL09175649T patent/PL2186944T3/en unknown
- 2009-11-11 EP EP09175649.4A patent/EP2186944B1/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020094923A1 (en) | 2018-11-07 | 2020-05-14 | Leimet Oy | Pile joint |
RU200419U1 (en) * | 2020-06-19 | 2020-10-23 | Сергей Александрович Суворов | Castle pile connection |
Also Published As
Publication number | Publication date |
---|---|
FIU20080367U0 (en) | 2008-11-17 |
EP2186944A3 (en) | 2012-06-06 |
FI8230U1 (en) | 2009-03-23 |
EP2186944A2 (en) | 2010-05-19 |
PL2186944T3 (en) | 2013-11-29 |
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