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CN102197183A - A railing post, a railing and a walkway arrangement for a fibre-web machine - Google Patents

A railing post, a railing and a walkway arrangement for a fibre-web machine Download PDF

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Publication number
CN102197183A
CN102197183A CN2009801419838A CN200980141983A CN102197183A CN 102197183 A CN102197183 A CN 102197183A CN 2009801419838 A CN2009801419838 A CN 2009801419838A CN 200980141983 A CN200980141983 A CN 200980141983A CN 102197183 A CN102197183 A CN 102197183A
Authority
CN
China
Prior art keywords
railing
railing post
post
support portion
groove
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.)
Pending
Application number
CN2009801419838A
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Chinese (zh)
Inventor
劳里·阿尔提欧
于尔基·布勒
里斯托·韦泰宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet Technologies Oy
Original Assignee
Metso Paper Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Metso Paper Oy filed Critical Metso Paper Oy
Publication of CN102197183A publication Critical patent/CN102197183A/en
Pending legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G5/00Safety devices
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00Other details of machines for making continuous webs of paper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043Devices enhancing safety during maintenance
    • B66B5/005Safety of maintenance personnel
    • B66B5/0081Safety of maintenance personnel by preventing falling by means of safety fences or handrails, being operable or not, mounted on top of the elevator car
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00Building elements of block or other shape for the construction of parts of buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18Balustrades; Handrails
    • E04F11/181Balustrades
    • E04F11/1812Details of anchoring to the wall or floor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/002Workplatforms, railings; Arrangements for pouring concrete, attached to the form

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Steps, Ramps, And Handrails (AREA)

Abstract

The present invention relates to a railing post or the like (10, 10', 10''), in which the first end (12) of the railing post comprises a fastening arrangement (16), by means of which the railing post or the like (10, 10', 10'') can be fastened to a counterpart (216). The fastening arrangement (16) comprises a recess (40) extending from the first end (12) of the railing post towards the second end (14) of the railing post, which recess divides the railing post into a first (41 ) and second (42) support part, and that the first support part (41 ) comprises a fastening part (44) that is movable towards the second support part (42) substantially in transverse direction with respect to the direction of the recess. The invention also relates to a railing applying the railing post and to a walkway applying the railing.

Description

The railing post of fiber web machine, railing and walk duct device
Technical field
The present invention relates to railing post as described in the preamble or like according to claim 1, wherein first end of railing post or like comprises fastener, and railing post or like are securable to corresponding portion by fastener.
The invention still further relates to railing as described in the preamble according to claim 9, and the duct device of walking according to claim 11.
Background technology
For example many machines of industrial use and process equipment are large-scale, yet for maintenance and operation, are necessary to arrange path (access) near their each parts.Typically, this is to realize by the aisle (walkway) that suitable location is set for machine.The aisle must be configured to and can safety walk on the aisle, and safely from aisle operation and maintenance machine.Therefore, the aisle is provided with railing.
In fiber web machine, the shaping of width of cloth material and processing comprise various sub-operations, consider the carrying out of operation, and those parts that fiber web machine is carried out this a little operation relative to each other optimize the arrangement of.The parts of fiber web machine also comprise ancillary equipment, for example the reformer apparatus of fabric, measureing equipment etc.For the operation and maintenance fiber web machine is that path is set is necessary to its different parts.Fiber web machine also comprises the aisle.
The railing in aisle typically is tubular-shaped structures, and it comprises the tube-shape pillar that separates at interval in accordance with regulations with the handrail that supports basic horizontal.For example, railing also can combine with stair and tilt a little.By known mode in the past, such railing that has tubular-shaped structures is fastened to the aisle, so the aisle is provided with hole and/or the sleeve that overlaps with separately railing post, and railing post for example inserts and be fastened to hole and/or sleeve by connecting bolt.
Though in use this firm in structure reliable, it is relatively poor to make up such aisle efficient.In addition, this structure be arranged in the location on the aisle be used for the sleeve of railing the time need high accuracy so that the spacing of the column in this accurate positioning ground coupling railing.
Summary of the invention
The purpose of this invention is to provide a kind of railing post, it satisfies functional requirement reliably and it is installed than in the past more effective.
Specific purposes of the present invention are for fiber web machine provides a kind of railing and a kind of duct device of walking, and the railing that is used for the aisle, and it satisfies functional requirement reliably and it is installed than in the past more effective.
Purpose of the present invention mainly realizes by claims 1,9 and 10 disclosed technology contents.
Additional technical feature of the present invention is open in the description of claims and following embodiment shown in the drawings.
According to one embodiment of present invention, railing post or like are slender bodies, and first end of this railing post or like comprises fastener, and this railing post or like are securable to corresponding portion by fastener.Fastener comprises the groove that extends towards second end of railing post from first end of railing post, this groove is divided into first support portion and second support portion with railing post, and first the support portion comprise the fastening part, this fastening part can be in fact along laterally moving with respect to groove direction towards second support portion.This railing post or like fastening and remove fastening very fast (if requiring like this), and railing post is fastening still firm reliable.
Preferably, the fastening part vertically is arranged to along railing post or like, makes second support portion extend more fartherly than the fastening part from the bottom of groove.
Railing according to an embodiment of the invention comprises at least two railing posts and is fastened at least one handrail of railing post.The railing post of railing or like are slender bodies, and first end of railing post comprises fastener, and railing post or like are securable to corresponding portion by fastener.Fastener comprises the groove that extends to second end of railing post from first end of railing post, this groove is divided into first support portion and second support portion with railing post or like, and first support portion comprises that the edge is with respect to the fastening part of laterally moving towards second support portion of groove direction in fact.
Preferably, balustrade assemblies comprises a plurality of railings of continuous setting, and these railings are by railing post and secured to one another.
The duct device of walking of fiber web machine according to an embodiment of the invention comprises aisle that can be supported on the fiber web machine and the railing that combines setting with the aisle.Railing comprises at least two railing posts and is fastened at least one handrail of railing post.The railing post of railing or like are slender bodies, and first end of railing post or like comprises fastener, and railing post or like are securable to corresponding portion by fastener.Fastener comprises the groove that extends towards second end of railing post from first end of railing post, this groove is divided into first support portion and second support portion with railing post or like, and first support portion comprises that the edge is with respect to the fastening part of laterally moving towards second support portion of groove direction in fact.At least one longitudinal edge in the aisle is provided with the clamping part that is used for railing is fastened to the aisle, and the clamping part in aisle is arranged in the groove of fastener of railing post.
The present invention includes many advantages, below these advantages be shown as example:
Only need a small amount of fabrication stage;
The quantity of individual components is little;
Railing post does not need the hole;
The field Welding of railing is simple;
Fastening rapid, simple, the safety of railing and railing post.
Railing according to the present invention is specially adapted to fiber web machine, because it can separate and shift out the route of maintenance work, for example roll change rapidly.Similarly, after maintenance work is finished, can be fastened to its position rapidly.
Description of drawings
The appended schematic accompanying drawing of following reference is explained the present invention and operation thereof, wherein
Fig. 1 schematically shows an embodiment according to railing post of the present invention;
Fig. 2 is the fastening detail drawing that railing post is shown;
Fig. 3 schematically shows an embodiment according to railing of the present invention;
Fig. 4 schematically shows an embodiment according to the mounting flange of railing element of the present invention;
Fig. 5 schematically shows another embodiment according to railing of the present invention;
Fig. 6 illustrates in greater detail the railing post according to Fig. 5;
Fig. 7 illustrates another embodiment according to railing post of the present invention; And
Fig. 8 illustrates the assembling of lifeline in conjunction with specific embodiments.
The specific embodiment
Fig. 1 schematically shows an embodiment according to railing post 10 of the present invention.In Fig. 1, the left side of figure has been described from the observed railing post of a side (along the direction B on this figure right side), and (along the direction A in this figure left side) observed railing post has been described from behind on the right side of figure.Railing post comprises first end 12 and second end 14.Railing post 10 is provided with fastener 16 at first end, and railing post is securable to corresponding portion by means of this fastener, for example is fastened to the fastening part in aisle.
Railing post 10 is made of the plank frame of for example steel plate.The length 20,20 ' at least of the cross section of railing post is five times of thickness 18 of this cross section.The thickness 18 of railing post is constant.
Railing post 10 is provided with otch 52.1,52.2, and handrail is fastened to these otch.Otch 52.1,52.2 makes the penetrable certain distance that surpasses the railing post periphery in the railing post of the external surface of handrail.First otch 52.1 gos deep in the railing post along the direction extension of the length 20 of the cross section of railing post, and handrail can be supported by railing post 10 from the center always.First otch 52.1 approximately is positioned at half place of the length of railing post, and second otch 52.2 is positioned at second end, 14 places of railing post.Length 20 ' the length in the zone of the cross section of railing post between second end 14 of length 20 to the first otch 52.1 in the zone between first end 12 of first otch 52.1 and railing post and railing post.Therefore, railing post 10 also comprises first handrail 50 and second handrail 50.
Preferably, the length 20 of the cross section of railing post mainly comprise two full-lengths 20,20 ', since first length, 20 to second length 20 ' transition be to realize by the portion 21 of successively decreasing of the curve from first otch 52.1.
At first end 12 of railing post, the fastener 16 of railing post 10 comprises groove 40, and groove 40 extends towards second end of railing post from first end 12 of railing post, and this groove is divided into first support portion 41 and second support portion 42 with railing post.First support portion and second support portion surface that faces with each other separately has distance X each other.Therefore, groove 40 constitutes mainly along the channel of the longitudinal extension of rail stanchion 10.When installing with railing post that the aisle is used in combination, the clamping part in aisle is fit to enter in the groove of fastener.First support portion 41 comprises fastening part 44; Fastening part 44 can be in fact along laterally moving towards second support portion with respect to groove 40 directions.By means of the fastening part, the clamping part that fits in the aisle in the groove 40 can press second support portion 42, so that railing post is locked in its position.
Illustrate in greater detail railing post among Fig. 2 to walking the fastening situation of duct device.This figure is a sectional view, schematically show be used for fiber web machine walk duct device 200.Walk duct device 200 and comprise aisle 210 that can be supported on the fiber web machine and the railing 100 that combines setting with this aisle, first end 12 and the fastener 16 thereof of the railing post 10 in the just railing that mainly illustrates among Fig. 2.The aisle comprises path platform 212 and at least one longitudinal edge 214; This path platform for example has fence structure; Longitudinal edge 214 is provided with clamping part 216, and this clamping part is used for the railing post 10 of railing is fastened to aisle 210.Clamping part 216 is the board-like slender bodies that extend to the relative thin of path platform 212 tops, and preferably walk on whole length of duct device continuous substantially.In Fig. 2, the cross section of clamping part 216 is angled.So an edge 214 in aisle comprises clamping part 216 basically on its whole length, therefore, in device according to the present invention, can very freely select the restraint location of railing post.In according to the solution of the present invention, do not need the railing installing hole in the clamping part, make thus and install rapidly and safety.
Railing post is detachably connected to aisle 210, makes the clamping part 216 in aisle fit in the groove 40 of fastener 16.Clamping part 216 preferably includes two parallel side section 217, and one of them side section 217 is oriented to pasting second support portion 42, and another side section 217 presses the fastening part 44 of first support portion 41.By means of the fastening part, the clamping part that fits in the groove 40 in aisle can press second support portion 42.
Fastening part 44 comprises body 44.1 and screw rod or screw 44.2; Body 44.1 is provided with internal thread and is arranged in first support portion; Screw rod or screw 44.2 are provided with external screw thread and are to combine with above-mentioned internal thread to be provided with.Screw 44.2 is in the position that is shown in broken lines among Fig. 2, and fastener 16 can be connected to clamping part 216 or separate with clamping part 216.Fastening part 44 fits in first support portion 41 on a side of groove 40, makes 210 the surface towards the aisle of railing post 10 straight substantially thus, therefore minimizes operating period to trip and injured risk.In addition, when the fastening part is installed, be safe the fastening part being tightened towards a side in aisle.
The edge towards groove of second support portion 42 is about to paste that edge that the clamping part 216 in aisle is placed, and is shaped as to comprise two stayed surfaces 42.1,42.2 and recessed region 42.3; Stayed surface 42.1,42.2 has the interval each other and relatively is provided with first support portion; Recessed region 42.3 and further extends along the direction of leaving first support portion 41 and to leave the plane that is limited by stayed surface 42.1,42.2 between stayed surface 42.1,42.2.The fastening part 44 of first support portion 41 is squeezed in clamping part 216 in the recessed region 42.3, makes clamping part 216 owing to extruding produces local distortion thus, and this distortion has improved the fastening effect of 216 pairs of fasteners 16 of clamping part.
Railing post 10 is provided with hole 11; By means of these holes, a railing post can utilize the screw mounting means for example to be fastened to another railing post.Thereby can this formation comprise and the balustrade assemblies of a plurality of railings 100 of continuous setting make these railings fastening mutually by railing post 10.
Fig. 3 schematically shows an embodiment according to railing 100 of the present invention.The handrail 50 that railing 100 comprises at least two railing posts 10 and is fastened to railing post; Railing post 10 has first end 12 and second end 14, and wherein first end of railing post comprises the fastener 16 of railing, and railing 100 is securable to for example clamping part 216 in aisle of corresponding portion by this fastener.More than see figures.1.and.2 and illustrate in greater detail fastener 16.
The embodiment of Fig. 3 illustrates lifeline 300, and it is by at least two railings 100 and at least one railing element 100 ' form; Railing 100 comprises at least two railing posts 10; Railing element 100 ' between railing 100.Preferably, the structure of railing is similar to above-mentioned railing structure.The handrail 50 of railing element 100 ' preferably include at least one Plane Installation flange 110 and be connected to the two ends of mounting flange 110.The railing element also can constitute the end section of lifeline, include only a mounting flange thus, therefore and each handrail is bound up between the tie point of mounting flange, and the end to end from mounting flange forms continuous rod member, embodies as the element on right side among Fig. 3.
Illustrate in greater detail among Fig. 4 railing element 100 ' mounting flange 110.Preferably, the structure of mounting flange 110 and shape be corresponding to the section that is fastened with handrail 50 of railing post 10, i.e. section between first otch 52.1 and second otch 52.2.Handrail for example serves as safe horizontal bar.Except that the Reference numeral of mounting flange 110 self, the Reference numeral among Fig. 4 is corresponding to the Reference numeral among Fig. 1.Because the railing element is intended to be fastened to for example railing post between two railings 100 10, so the shape of mounting flange 110 and structure are identical basically with the section of the railing post 10 that serves as its corresponding portion.Therefore, the description to the railing post among Fig. 1 10 also is applicable to mounting flange 110 under applicable elements.Mounting flange 110 also is provided with hole 11; Can utilize the screw mounting means for example to be fastened to another railing post by means of 11, one railing posts in hole.Therefore, mounting flange overlaps separately from each other with hole in the railing post.
Fig. 5 illustrates one embodiment of the present of invention, wherein lifeline 300 comprise railing post 10 ' and railing element 110 '.Preferably, the structure of railing post and railing element is similar to structure described above.Lifeline by with railing post 10 ' be connected to railing element 110 ' mounting flange 110 or two mounting flanges between be provided with.In Fig. 6, be shown in further detail railing post 10 according to Fig. 5 ' embodiment.Except the fastening relevant feature of in fact and railing post unshowned at this, present embodiment and railing post shown in Figure 1 are identical.Equally in this embodiment, lifeline can be formed a plurality of railings 100 that comprise continuous setting and railing element 110 ', make each section by railing post 10 and secured to one another thus.
Fig. 7 illustrates railing post 10 " another embodiment." comprise two bends, these two bends form on first end 12, under the handrail in opposite direction, make first end 12 and second end 14 be in difference on the horizontal direction thus in this embodiment, railing post 10.Utilize this railing post 10 that is provided with side curvature "; or with straight railing post 10 ', railing post 10 utilize this railing post 10 that is provided with side curvature ", perhaps " utilize this railing post 10 that is provided with side curvature ", can strengthen vertical rigidity of lifeline with the railing post 10 that is provided with rightabout side curvature.
Fig. 8 illustrates the assembling of lifeline 300 in conjunction with specific embodiments.In the figure, the railing 100 in left side is installation in position, and the railing 100 on right side is in the installation process.The right side as yet not the railing 100 of installation in position be thus lifted on the top of clamping part 216 in aisle, as shown in Figure 2, its railing post 10 is placed to and is pasting the railing post 10 of the railing of installation in position.Therefore, the hole 11 of each railing post overlaps each other.Bolt 12 inserts in the hole and is tightened by nut 13.The fastening part 44 and the clamping part of railing post 10 are tightened.Because the fastening part is a screw, this means that tightening is to be undertaken by being screwed into screw along the direction that makes the clamping part of screw towards the aisle move.
It should be noted that above has been described best embodiment more of the present invention.Therefore, the present invention obviously is not limited to the foregoing description, but can use in many ways in the framework of claims.If expectation like this and if it is technical feasible, also can use in conjunction with other embodiment in conjunction with the feature that different embodiment describe, and/or in the feature of the describing various frameworks that are combined in basic concept of the present invention that can carry out.

Claims (11)

1. railing post or like (10,10 ', 10 "); first end (12) of wherein said railing post or like comprises fastener (16); described railing post or like (10; 10 '; 10 ") are securable to corresponding portion (216) by described fastener, it is characterized in that, described fastener (16) comprises the groove (40) that extends towards described second end (14) of described railing post from described first end (12) of described railing post, described groove is divided into first support portion (41) and second support portion (42) with described railing post or like, and described first support portion (41) comprises fastening part (44), described fastening part (44) can be in fact along laterally moving with respect to the direction of described groove towards described second support portion (42).
2. railing post according to claim 1 is characterized in that, described second support portion (42) comprises at least two stayed surfaces (42.1,42.2); Described at least two stayed surface each intervals are arranged, and relatively locate about described first support portion (41).
3. railing post according to claim 2, it is characterized in that, first stayed surface (42.1) in described at least two stayed surfaces is arranged near the bottom of described groove, and another stayed surface (42.2) is arranged near the end of described second support portion (42).
4. according to each described railing post in the aforementioned claim 1,2 or 3, it is characterized in that, described fastening part (44) along described railing post (10,10 ', vertically being arranged to of 10 "), make described second support portion (42) extend more fartherly than described fastening part (44) from the bottom of described groove (40).
5. railing post according to claim 4 is characterized in that, the distance that extend from the bottom of described groove described second support portion (42) is the twice of described fastening part (44) from the distance of the bottom extension of described groove basically.
6. railing post according to claim 1 is characterized in that, described fastening part (44) comprise screw transversely or the like of locating in fact with respect to the direction of described groove (40) (44).
7. according to claim 1 or 6 described railing posts, it is characterized in that described fastening part (44) are arranged in described first support portion (41) on a side of described groove (40).
8. railing post according to claim 1 is characterized in that, described railing post (10,10 ', 10 ") are made up of plank frame, the length of the cross section of described railing post (20) is five times of thickness (18) of described cross section at least.
9. a railing (100) comprises at least two railing posts and is fastened at least one handrail (50) of described railing post, it is characterized in that, described railing post be according to each described railing post in the aforementioned claim (10,10 ', 10 ").
10. railing according to claim 9 is characterized in that, described balustrade assemblies (100) comprises continuously arranged a plurality of railing (100), each section by described railing post (10,10 ', 10 ") and secured to one another.
11. a fiber web machine walk duct device (200), comprise the aisle (210) that can be supported on the described fiber web machine and combine the railing (100) that is provided with described aisle, it is characterized in that described railing is a railing according to claim 9; And at least one longitudinal edge in described aisle is provided with clamping part (216), and described clamping part (216) is used for described railing (100) is fastened to described aisle; And the described clamping part (216) in described aisle is arranged on the described groove (40) of the described fastener (16) that is used for described railing post.
CN2009801419838A 2008-10-24 2009-10-20 A railing post, a railing and a walkway arrangement for a fibre-web machine Pending CN102197183A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20086006A FI120655B (en) 2008-10-24 2008-10-24 Handrail post, handrail and maintenance arrangement of fiber machine
FI20086006 2008-10-24
PCT/FI2009/050841 WO2010046533A1 (en) 2008-10-24 2009-10-20 A railing post, a railing and a walkway arrangement for a fibre-web machine

Publications (1)

Publication Number Publication Date
CN102197183A true CN102197183A (en) 2011-09-21

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Application Number Title Priority Date Filing Date
CN2009801419838A Pending CN102197183A (en) 2008-10-24 2009-10-20 A railing post, a railing and a walkway arrangement for a fibre-web machine

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Country Link
EP (1) EP2361336B1 (en)
CN (1) CN102197183A (en)
FI (1) FI120655B (en)
WO (1) WO2010046533A1 (en)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN103132362A (en) * 2011-11-24 2013-06-05 美卓造纸机械公司 Walking platform, walking platform fixing device and operation method
CN107119600A (en) * 2017-05-24 2017-09-01 中建钢构有限公司 A kind of bicycle expressway guard rail and its installation method
CN111851116A (en) * 2019-04-29 2020-10-30 福伊特专利有限公司 Walkway

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FI121673B (en) * 2009-04-30 2011-02-28 Metso Paper Inc Maintenance platform arrangement for a fiber web machine
FI12907Y1 (en) * 2020-09-15 2021-03-03 Valmet Technologies Oy Locking arrangement and guardrail element for a guardrail in a service bridge of a fiber product machine and a guardrail in a service bridge of a fiber product machine

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CA2145665A1 (en) * 1992-09-30 1994-04-14 Wilfried Hamm Railing made of prefabricated standard components
CN2292131Y (en) * 1996-06-14 1998-09-23 赵文林 Hollow combined handrail
CN1502288A (en) * 2002-11-22 2004-06-09 Hange with clips
NL1023630C2 (en) * 2003-06-10 2004-12-14 Melker B V De Anchor foot for tubular posts used to form e.g. railings for stairs, secured to floor by fixing flange inside slot
CN2625483Y (en) * 2003-06-23 2004-07-14 杨春荣 Banister
CN2758358Y (en) * 2004-12-10 2006-02-15 万科企业股份有限公司 Assembling type handrail
CN2905939Y (en) * 2006-04-30 2007-05-30 白宝鲲 Surface nail-free combined guardrail connection device
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103132362A (en) * 2011-11-24 2013-06-05 美卓造纸机械公司 Walking platform, walking platform fixing device and operation method
CN103132362B (en) * 2011-11-24 2016-08-03 维美德技术有限公司 Travelling platform, the fixing device of travelling platform and operational approach
CN107119600A (en) * 2017-05-24 2017-09-01 中建钢构有限公司 A kind of bicycle expressway guard rail and its installation method
CN111851116A (en) * 2019-04-29 2020-10-30 福伊特专利有限公司 Walkway
CN111851116B (en) * 2019-04-29 2022-10-11 福伊特专利有限公司 Walkway

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FI120655B (en) 2010-01-15
EP2361336A4 (en) 2015-01-07

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