CN102439249B - Construction prop - Google Patents
Construction prop Download PDFInfo
- Publication number
- CN102439249B CN102439249B CN201080022323.0A CN201080022323A CN102439249B CN 102439249 B CN102439249 B CN 102439249B CN 201080022323 A CN201080022323 A CN 201080022323A CN 102439249 B CN102439249 B CN 102439249B
- Authority
- CN
- China
- Prior art keywords
- outer tube
- construction prop
- inner tube
- tube
- holes
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
- E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
- E04G25/065—Shores or struts; Chocks telescopic with parts held together by positive means by a threaded nut
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Rod-Shaped Construction Members (AREA)
- Supports For Pipes And Cables (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A construction prop is provided with an outer pipe with a longitudinal central axis, a foot at a lower end of the outer pipe, a screw thread adjacent an upper end of the outer pipe, two slotted holes which are located at the screw thread and which extend in a direction parallel to the longitudinal central axis and which are provided diametrically relative to each other in the outer pipe, wherein an inner pipe which is slideably received in the outer pipe and is provided with a series of pairs of holes arranged over a part of the length of the inner pipe, wherein the two holes of each pair of holes are disposed diametrically relative to each other in the inner pipe, wherein the outer pipe comprises a foot reinforcement which is provided with a number of grooves which each extend in tangential direction around the entire circumference of the outer pipe, wherein each groove extends in an imaginary plane which extends perpendicularly to the longitudinal central axis.
Description
Technical field
The present invention relates to a kind of construction prop.
Background technology
Construction prop has been known a lot of years by people.The example of construction prop has been described in document GB-755831 and DE694113U.These known construction props comprise the outer tube with longitudinal center's axis.Known outer tube has the screw thread of the upper end of foot and contiguous described outer tube in the lower end of this outer tube.Further, two slotted holes (slotted holes) are located on described screw thread and in the direction that is parallel to described longitudinal center axis and extend, and these two slotted holes are arranged in described outer tube each other in diametric(al).This known construction prop also comprises inner tube, and this inner tube is slidably received within the middle of described outer tube.This inner tube has a series of paired hole in a part of length that is arranged in described inner tube, and wherein two holes in every pair of holes are arranged each other in described inner tube on diameter.This known construction prop also comprises adjusting nut, and this this adjusting nut has internal thread, and this internal thread is configured to match with the screw thread of described outer tube.Described construction prop also comprises supporting pin, and this supporting pin in use extends through wherein pair of holes in the multiple paired hole of inner tube and through the slotted hole in outer tube, and this supporting pin is bearing in the top of described adjusting nut.By supporting pin being inserted in the another pair of holes of inner tube and can regulate the height of described inner tube.Can realize the fine setting to height by rotating described adjusting nut.In order to prevent that inner tube from falling from outer tube, this inner tube can have those widened sections in the position of contiguous its lower end, and described outer tube can have reduction portion in the position of contiguous its upper end.This those widened sections and reduction portion should be engaged with each other, and make those widened sections cannot pass reduction portion.With regard to the construction prop of document GB-755831, reduction portion is positioned at the top of threaded that part of tool.With regard to the construction prop of document DE694113U, reduction portion is located immediately at below, threaded portion.Or in document DE694113U, the inside diameter of threaded portion is also less than the inside diameter of the remainder of outer tube, thereby has realized the better guiding of inner tube with respect to outer tube, and by inner tube the crooked risk minimization with respect to outer tube.
In the time having removed construction prop, for example, when the floor supporting when support member no longer needs this support of support member, the way of convention is that workman utilizes sledgehammer, beam column or this class servicing unit to locate to knock outer tube in the lower end of contiguous outer tube.Then, the lower end of construction prop tilts to leave and construction prop can be removed.This way has allowed the rapid moving of multiple support members to remove.But the shortcoming of this way is that the position that may be close to lower end in outer tube forms depression.These depressions may cause that the those widened sections of inner tube cannot pass this depression again, thereby inner tube cannot slide in outer tube completely.This is disadvantageous for the transport of construction prop, and has reduced the easness of processing to construction prop.
From practice, learn, reinforce the lower end of outer tube by the steel sleeve of protectiveness is set on the lower end of outer tube.But this steel protective casing has caused the increase of construction prop overall weight.Length is that 15-30cm, wall thickness are that the weight of 3mm and the inside diameter sleeve pipe that is approximately 63.5mm can reach 1-2kg easily.
In the prior art field of construction prop, generally acknowledge the problem of infringement and formed the possibility caving in.For this reason, with reference to WO92/13156, wherein disclose and in outer tube, carried out axial die mould, so that the depression in outer tube does not cause obstruction to inner tube with respect to the telescopic moving of outer tube.In patent application WO2008/049780 afterwards, identical concept is described.The axially shortcoming of die mould, particularly its be applied in mode in WO2008/049780 (that is, there is corrugated profile, wherein the pitch between the top of two adjacent ripples is relatively little for the girth of pipe) shortcoming be: to outer tube transverse to tube-surface (that is, in the direction of the longitudinal center's axis transverse to outer tube) load in, outer tube is easy to be crushed.Axially die mould provides from the possibility of accordion or the known distortion of bellows.When outer tube is applied in load again in the direction of longitudinal center's axis, is crushed a little due to the impact of load at axial die mould place and due to what axial die mould caused, the more limited outer tube of resistance to deformation is more prone to be subject to bending.
The object of this invention is to provide a kind of construction prop, can solve at least in part above-mentioned shortcoming by this construction prop.
Summary of the invention
Therefore, the object of the invention is a kind of construction prop, this construction prop has foot's girth member, and this foot's girth member does not cause weight to increase, and is difficult for being subject to the extruding of pipe under the impact of power that is applied to tube wall perpendicular to longitudinal center's axis yet.
For this reason, provide a kind of construction prop, this construction prop has:
Have the outer tube of longitudinal center's axis, described outer tube has:
Be positioned at the foot of the lower end of described outer tube;
The screw thread of the upper end of contiguous described outer tube;
Two slotted holes, these two slotted holes are positioned on described screw thread and in the direction that is parallel to described longitudinal center axis and extend, and these two slotted holes are arranged in described outer tube each other in diametric(al);
Foot's girth member of the lower end of contiguous described outer tube;
Inner tube, this inner tube can be slidably received in the middle of described outer tube and this inner tube has:
Be arranged in a series of paired hole in a part of length of described inner tube, wherein two holes in every pair of holes are arranged each other in described inner tube in diametric(al);
According to the present invention, described construction prop is characterised in that, described foot girth member comprises multiple grooves, and each groove extends along tangential direction around the whole circumference of described outer tube, and wherein each groove extends in the imaginary plane extending perpendicular to described longitudinal center axis.
In the direction because of perpendicular to longitudinal center's axis, apply load is squeezed, can not weaken outer tube by this die mould of tangent line groove.On the contrary, the risk being crushed is even because tangent line groove has obtained reduction.And, when utilize sledgehammer, beam column or this class servicing unit to knock construction prop lower end time and when forming depression, these depressions will forming at tangent line groove on the top of outside.The groove being arranged on herein can not hinder the possibility of inner tube with respect to the telescopic moving of outer tube, thereby or owing to there is this depression, inner tube can be slided in outer tube completely.In comparing with the construction prop without foot's girth member, in the case of not increasing the weight of construction prop, these advantages are obtained.
Further details of the present invention is discussed and is described in the dependent claims, and will in the description of following some illustrative embodiments based on providing with reference to accompanying drawing, further be illustrated.
Brief description of the drawings
Fig. 1 has shown the stereogram of the illustrative embodiments of construction prop;
Figure 1A has shown the details A of Fig. 1;
Fig. 2 has shown the first illustrative embodiments of foot's girth member;
Fig. 3 has shown the viewgraph of cross-section of the illustrative embodiments shown in Fig. 2;
Fig. 4 has shown the second illustrative embodiments of foot's girth member; And
Fig. 5 has shown the viewgraph of cross-section of the illustrative embodiments shown in Fig. 4.
Detailed description of the invention
In the middle of an embodiment, in Fig. 1, shown the example of this embodiment, and Figure 1A shows its details, construction prop 10 comprises the outer tube 12 with the axis L of longitudinal center.Outer tube 12 has foot 14 in the lower end of this outer tube 12.Be provided with screw thread 16 in the position of the contiguous upper end of outer tube 12.On screw thread, have two slotted holes 18, this slotted hole 18 extends and in diametric(al), is located at each other in outer tube 12 in the direction that is parallel to the axis L of longitudinal center.Construction prop 10 also comprises the inner tube 20 being slidably received within outer tube 12.This inner tube 20 has a series of paired holes 22, and these a series of paired holes 22 are arranged in the length of a part of inner tube 20.Two holes in every pair of hole 22 are located in the middle of inner tube 20 each other in diametric(al).In the embodiment of the example shown in Fig. 1, the upper end of inner tube 20 can have end panel 24, and this end panel 24 has the substantially flat top surface that is approximately perpendicular to longitudinal center's axis and extend.Described construction prop has adjusting nut 26 conventionally, and this adjusting nut 26 has internal thread, and this internal thread is configured to match with the screw thread 16 of outer tube 12.Described construction prop also comprises supporting pin 28 conventionally, and this supporting pin 28 in use extends through wherein pair of holes in the multiple paired hole 22 of inner tube 20 and through the slotted hole 18 in outer tube 12, and this supporting pin 28 is bearing in the top of adjusting nut 26.In the middle of an embodiment of the example shown in Fig. 1 and Figure 1A, inner tube 20 can have the number of altitude 30.This number of altitude 30 has been simplified the selection to the correct paired hole 22 for inserting supporting pin 28., after having carried out the coarse adjustment of inner tube 20 with respect to outer tube 12 by the selection in the correct paired hole 22 to for inserting supporting pin 28, can on construction prop 10, finely tune utilizing adjusting nut 26.
In the middle of an embodiment of the illustrative embodiments shown in Fig. 1, in the position of the center of gravity of construction prop 10, in the time that inner tube 20 is in maximum in outer tube 12 and slips into state, outer tube 12 can have center of gravity mark 32.In the middle of illustrative embodiments in Fig. 1, center of gravity mark 32 is designed to the wire tag extending along tangential direction around outer tube 12.Be clear that very much, the design of other center of gravity mark 32 is also feasible.Center of gravity mark 32 has been simplified user's picking up construction prop 10.In fact,, when user is in the time that center of gravity mark is picked up construction prop 10, construction prop 10 will be directly in balance, and does not need user must proofread and correct his abutment/bonding station.
For example, can the number of altitude 30 and center of gravity mark 32 be set by punching operation or etching operation.The mark 30,32 being set up like this can become more noticeable by giving the mark color not identical with the remainder of construction prop 10.Can also only by being coated with color, the number of altitude 30 and/or center of gravity mark 32 be set, therefore not need punching press or etching operation.Construction prop 10 also has foot's girth member 34 at the lower end of contiguous outer tube 12.
Fig. 2-5 have shown two illustrative embodiments of foot's girth member in further detail.According to the present invention, foot's girth member 34 comprises multiple grooves 36, and each groove 36 is around the whole circumference of outer tube 12 and extend in tangential direction.Each groove 36 the imaginary plane P1, the P2 that extend perpendicular to the axis L of longitudinal center ... in Pn, extend.Owing to being applied in the direction perpendicular to the axis L of longitudinal center the extruding that the power of tube wall causes, this tangent line groove 36 does not weaken outer tube 12.On the contrary, tangent line groove 36 has been reinforced outer tube 12 and has been resisted this load.And; tangent line groove 36 provides protection to prevent from causing due to the downside that sledgehammer or beam column knock outer tube 12 formation of contingent depression, may carry out the operation that this sledgehammer or beam column knock the downside of outer tube 12 in the time need to removing construction prop.But, still may form depression, these are recessed to form in the part that is arranged in radially outer tangent line groove 36.Being positioned at radially inner part tangent line groove 36 is not damaged.Therefore,, even if there is depression to a certain degree, inner tube 20 also can be carried out without hindrance with respect to the inside or outside slip of outer tube 12.
In the middle of an embodiment, tangent line groove 36 can be arranged on from the lower end of contiguous outer tube 12 and extend in the region of outer tube 12 of 10-50cm length.Shown in example in the middle of, the set zone length of tangent line groove is apart from the about 15cm of foot 14.
In the middle of an embodiment of the example shown in Fig. 1-5, by tube wall is carried out to plastic strain, tangent line groove 36 is set.From cross sectional planes, observe, this tangent line groove 36 has corrugated cross-sectional profiles, and the axis L of longitudinal center also extends in described cross sectional planes, and it as shown in Figure 3 and Figure 5.Shown in illustrative embodiments in the middle of, the cross-sectional profiles of wave-like radially outward rotate top 36a, 36c and base portion 36b, 36d not isometric.In the middle of the illustrative embodiments shown in Fig. 2 and Fig. 3, the top 36a turning to is radially outwardly shorter than base portion 36b, and described base portion 36b extends in the cylindrical plane identical with the wall remainder of outer tube 12.In this regard, in the middle of the illustrative embodiments shown in Fig. 4 and Fig. 5, the top 36c turning to is radially outwardly longer than base portion 36d, and this base portion 36d extends in the cylindrical plane identical with the remainder of the wall of outer tube 12.In the middle of optional embodiment further, the top of the profile of the wave-like of tangent line groove 36 and the length of base portion can be in fact isometric.
In the middle of the embodiment of example shown in the figure, the distance B between top 36a or the 36c of two adjacent notches 36 can be in 0.5 to 3.5cm scope.By this distance, enough make the impact of sledgehammer or beam column can not cause being arranged in radially inner those a part of foot girth member 34 formation depressions.Shown in illustrative embodiments in, distance B is approximately 25mm.
Although the present invention has carried out detail display and description with reference to accompanying drawing, this accompanying drawing and description should not be regarded as merely example.The present invention is not constrained to described embodiment.For example, in the middle of an embodiment, except tangent line groove 36, foot's girth member 34 can also comprise axial notch.This axial notch also can arrange by the plastic strain of outer tube wall, and this axial notch can promote the guiding of inner tube with respect to outer tube, and has still kept the resistance to outer tube extruding as the result of the existence of tangent line groove.The feature of describing in dependent claims can be interosculated.Reference numeral in claims is not appreciated that it is limitations on claims, and is only for making an explanation.
Claims (10)
1. a construction prop, comprising:
The outer tube (12) with longitudinal center's axis (L), described outer tube (12) has:
Be positioned at the foot (14) of the lower end of described outer tube (12);
The screw thread (16) of the upper end of contiguous described outer tube (12);
Two slotted holes (18), these two slotted holes (18) are positioned at described screw thread (16) above and extend in the direction that is parallel to described longitudinal center axis (L), and these two slotted holes (18) are arranged in described outer tube (12) each other in diametric(al);
Foot's girth member (34) of the lower end of contiguous described outer tube (12);
Inner tube (20), this inner tube (20) can be slidably received in the middle of described outer tube (12) and this inner tube has:
Be arranged in a series of paired hole (22) in a part of length of described inner tube (20), wherein two holes in every pair of holes (22) are arranged each other in described inner tube (20) in diametric(al);
It is characterized in that, described foot girth member (34) comprises multiple grooves (36), each groove (36) is around the whole circumference of described outer tube (12) and extend along tangential direction, wherein each groove (36) is at the imaginary plane (P1, the P2 that extend perpendicular to described longitudinal center axis (L) ... Pn) in, extend, wherein tangent line groove (36) arranges by the plastic strain of tube wall.
2. construction prop according to claim 1, wherein said tangent line groove (36) is arranged in the region of outer tube (12), and described region is extended and is reached 10-50cm length from the lower end of contiguous described outer tube (12).
3. construction prop according to claim 1 and 2 is wherein observed from cross sectional planes, and this tangent line groove (36) has corrugated cross-sectional profiles, and longitudinal center's axis (L) also extends in described cross sectional planes.
4. construction prop according to claim 1 and 2, wherein the distance (D) between the top of two adjacent notches (36a, 36c) is in 0.5 to 3.5cm scope.
5. construction prop according to claim 1 and 2, also comprises:
Adjusting nut (26), this adjusting nut (26) has internal thread, and this internal thread is configured to match with the screw thread (16) of described outer tube (12).
6. construction prop according to claim 5, also comprises:
Supporting pin (28), this supporting pin (28) in use extends through wherein pair of holes in the multiple paired hole (22) of inner tube (20) and through the slotted hole (18) in outer tube (12), and this supporting pin (28) is bearing in the top of described adjusting nut (26).
7. construction prop according to claim 1 and 2, comprising:
End panel (24), this end panel (24) is connected to the upper end of described inner tube (20) and has the top surface of general flat, and this top surface is approximately perpendicular to described longitudinal center axis (L) and extends.
8. construction prop according to claim 1 and 2, comprising:
Be arranged on the bench margin (30) in described inner tube (20).
9. construction prop according to claim 1 and 2, comprising:
Center of gravity mark (32) on outer tube (12), slip into state lower time when described inner tube (20) is in outer tube (12) maximum, this center of gravity mark (32) is positioned in the center of gravity of described construction prop (10).
10. construction prop according to claim 1 and 2, comprising:
Multiple axial notches in described foot girth member (34), this axial notch crosses described tangent line groove (36).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2002800 | 2009-04-24 | ||
| NL2002800A NL2002800C2 (en) | 2009-04-24 | 2009-04-24 | BUILDING STAMP. |
| PCT/NL2010/050219 WO2010123360A1 (en) | 2009-04-24 | 2010-04-23 | Construction prop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102439249A CN102439249A (en) | 2012-05-02 |
| CN102439249B true CN102439249B (en) | 2014-10-22 |
Family
ID=41279467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080022323.0A Active CN102439249B (en) | 2009-04-24 | 2010-04-23 | Construction prop |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2422028B1 (en) |
| CN (1) | CN102439249B (en) |
| NL (1) | NL2002800C2 (en) |
| PL (1) | PL2422028T3 (en) |
| WO (1) | WO2010123360A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573008A (en) * | 2013-11-05 | 2014-02-12 | 南京工业大学 | Supporting rod with length adjusting device |
| IT201700055288A1 (en) * | 2017-05-22 | 2018-11-22 | Amadio & C S P A | SUPPORT FOR REINFORCED BUILDING AND METHOD OF REALIZING THIS REINFORCED SUPPORT |
| JP7481725B1 (en) | 2024-01-27 | 2024-05-13 | Ｕｓｌ株式会社 | How to install temporary construction supports |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB755831A (en) * | 1952-11-08 | 1956-08-29 | John Burton | Improvements in or relating to extensible shores and struts |
| EP0493184A1 (en) * | 1990-12-24 | 1992-07-01 | Bernard Ottenwaelder | Improvements in telescopic struts |
| CN2155405Y (en) * | 1993-06-16 | 1994-02-09 | 杨庆宇 | Steel pipe shore |
| CN2183396Y (en) * | 1994-02-08 | 1994-11-23 | 李秀锻 | Scaling structure of positioning nut for support frame |
| WO2000050708A1 (en) * | 1999-02-26 | 2000-08-31 | Wui Loong System Scaffolds Company Limited | Scaffolding member and production method |
| CN2506733Y (en) * | 2001-06-23 | 2002-08-21 | 开平市优赢金属制品有限公司 | YY shape strong adjustable steel shore |
| DE10228479A1 (en) * | 2002-06-26 | 2004-01-29 | Peri Gmbh | Support for the construction area |
| EP1602791A2 (en) * | 2004-06-03 | 2005-12-07 | Ingenieria de Encofrados y Servicios, S.L. | Prop for construction work |
| CN2775211Y (en) * | 2005-01-14 | 2006-04-26 | 崔永秀 | Movable jack-prop |
| CN201106290Y (en) * | 2007-11-14 | 2008-08-27 | 李信伟 | Project combined movable support apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7636864U1 (en) * | 1976-11-24 | 1977-03-03 | Huennebeck Gmbh, 4030 Ratingen | HEIGHT ADJUSTABLE SUPPORT |
| DE19844613A1 (en) * | 1998-09-29 | 2000-03-30 | Plettac Ag | Vertical scaffold tube with improved load bearing capacity |
-
2009
- 2009-04-24 NL NL2002800A patent/NL2002800C2/en active
-
2010
- 2010-04-23 PL PL10718306.3T patent/PL2422028T3/en unknown
- 2010-04-23 EP EP10718306.3A patent/EP2422028B1/en active Active
- 2010-04-23 CN CN201080022323.0A patent/CN102439249B/en active Active
- 2010-04-23 WO PCT/NL2010/050219 patent/WO2010123360A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB755831A (en) * | 1952-11-08 | 1956-08-29 | John Burton | Improvements in or relating to extensible shores and struts |
| EP0493184A1 (en) * | 1990-12-24 | 1992-07-01 | Bernard Ottenwaelder | Improvements in telescopic struts |
| CN2155405Y (en) * | 1993-06-16 | 1994-02-09 | 杨庆宇 | Steel pipe shore |
| CN2183396Y (en) * | 1994-02-08 | 1994-11-23 | 李秀锻 | Scaling structure of positioning nut for support frame |
| WO2000050708A1 (en) * | 1999-02-26 | 2000-08-31 | Wui Loong System Scaffolds Company Limited | Scaffolding member and production method |
| CN2506733Y (en) * | 2001-06-23 | 2002-08-21 | 开平市优赢金属制品有限公司 | YY shape strong adjustable steel shore |
| DE10228479A1 (en) * | 2002-06-26 | 2004-01-29 | Peri Gmbh | Support for the construction area |
| EP1602791A2 (en) * | 2004-06-03 | 2005-12-07 | Ingenieria de Encofrados y Servicios, S.L. | Prop for construction work |
| CN2775211Y (en) * | 2005-01-14 | 2006-04-26 | 崔永秀 | Movable jack-prop |
| CN201106290Y (en) * | 2007-11-14 | 2008-08-27 | 李信伟 | Project combined movable support apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102439249A (en) | 2012-05-02 |
| EP2422028B1 (en) | 2016-07-13 |
| NL2002800C2 (en) | 2010-10-26 |
| EP2422028A1 (en) | 2012-02-29 |
| WO2010123360A1 (en) | 2010-10-28 |
| PL2422028T3 (en) | 2016-12-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |