GB2206614A - Metallic slip-proof element - Google Patents

Metallic slip-proof element Download PDF

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Publication number
GB2206614A
GB2206614A GB08716260A GB8716260A GB2206614A GB 2206614 A GB2206614 A GB 2206614A GB 08716260 A GB08716260 A GB 08716260A GB 8716260 A GB8716260 A GB 8716260A GB 2206614 A GB2206614 A GB 2206614A
Authority
GB
United Kingdom
Prior art keywords
slip
proof
teeth
metallic
substrate
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.)
Granted
Application number
GB08716260A
Other versions
GB2206614B (en
GB8716260D0 (en
Inventor
Tatsushige Mayama
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.)
Nippon Tenshashi KK
Original Assignee
Nippon Tenshashi KK
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 Nippon Tenshashi KK filed Critical Nippon Tenshashi KK
Priority to GB8716260A priority Critical patent/GB2206614B/en
Priority to DE19873723821 priority patent/DE3723821A1/en
Publication of GB8716260D0 publication Critical patent/GB8716260D0/en
Publication of GB2206614A publication Critical patent/GB2206614A/en
Application granted granted Critical
Publication of GB2206614B publication Critical patent/GB2206614B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
    • E04C2/324—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with incisions or reliefs in the surface
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/02—Local etching
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C5/00—Pavings made of prefabricated single units
    • E01C5/16—Pavings made of prefabricated single units made of metallic units
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads
    • E04F11/16—Surfaces thereof; Protecting means for edges or corners thereof
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/06—Flooring or floor layers composed of a number of similar elements of metal, whether or not in combination with other material

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)
  • Braking Arrangements (AREA)

Description

1 p r,, - 1 -, 'I 22 U 6 b 14 SELI-P-PROOF ELEMENT The present invention
relates to an improvement of metallic SliD-Droof elements to prevent SliDDaae, which are applied on -liDDerv surfaces such as treads of stairways or ladders. surfaces of roads, bottom surfaces of footwear, conveyor 5 surfaces of conveyor equipment. etc.
A mezallic elemenr n-oduced;_.-v =res S.' orm-1 na a te mal_. er -'a! made of 0Z S_, in-r) teeth on izs or roof surface -'s well 'N-nown. H.owever, the sl-4iD-,Droo-.F of these jotypes are -=rat -'.veiv 'L-=rce, are bas-'Lca-l-lv shaDed are of rounded edaes, and are of uneven lieJci-it-=.
Bec-=use of these c.naracter--'s.-'t.--s, a disadvantage of the abovementioned type is that the pressure when contacting an object becomes comparatively large, and conversely, the ---L- 15f ct'on drag becomes relatively small.
Accordingly, in consideration of L-he above-men-tioned problems, the present invention has been developed to solve these Droblems. It is an object. of the present invention to provide a metallic slip-proof element having a relatively large friction drag against the slip force and the contact surface r)ress.cre iS small when it comes cont--=c-. w,'- -acted.
he object to be conL.
Pluralitv of uniform. and 'Llne sli j-:D-ur-c-fL ceez-n formed and intearated on the surface of said base material, which have a top face and side face forming an acute anc-ole bezween zon face of' L-,e -r=c-d-na 71 - - - occurs az the edae EcorMed between t.he zoz -face -=n-'. side -."ace o_ each. toot-h.
Therefore, the relative motion bezween the sli-;D proof ellement and; the contacted object i_. ob-structed. S ince each, Slip-proor tootl- is uniform and fine h-=v--'lnc a tor, Sl' de face and the ancle formed between tlhe tom face and side 9 face is acute, the contact surface pressu-re becomes small in accordance with the top face and in conjunction with this, the friction drag becomes relatively large according to the edge between the top face and side f-ace.
Embodiments of the presenc- invenrion w-,-!-! now be des2ri-ed bv wav of example with reference to the accomDanvinc dr=winas in which:Fiaure 1 is a sectional view reDresentina the metallic 5slip-prooE element according to an embodiment of the present invention; Figure 2 is a perspective view of the metallic slip-proof element; u r e s 3 lomethod of FiLgures 8 shapes of element; Figure 11 JS -- Sect-ional view representing the metallic, element with the top face of the slip- proof tooth rough surface; and Figure 12 is a sectional view representing the slip-proof element raw material of a rough surface.
:15 slip-proof beina of a - 7 are sectional views illustrating the m-nufacturing the metallic slip- proof element; - 10 are perspective views representing alternate the slip- Droof teeth of the metallic slip-proof The main part of a metallic slip-proof element is composed of 20a base material 2 and slip-proof teeth 3. The base material 2 is made of metal. In this example, the metal is samne _=S z-laz t_he base ---ce 1 and an X 00 mm, '-avna a -cz=- z--cKn=s= c- - 0. 13 m m, t he h e -4 a h t F. of and ---he anale a 04 the -he met=."ic sli:D-mroo. aiDiDrolDr-4ate size and can be 0 mm, the 6 is 70 decrees. element 1 mav be cu-- to anv fixed onto s-l-ior)er-i sur.'."aces such 20as treads of a ladder, etc. with fixing means such as screws, adhesives, or double coated tame.
I Ni-xt, based on the composition as set forth here-inabove, the func--donJLs described hereunder.
The object to be contacted (not shown in the drawing) comes into contact with the ton face 4 of each slip-proof tooth 3 of ;'.-he metallic sl-ir)-m.-oo.-;: element 1.
Under this condizion, when o,4ec- to be contacted and the the between the =et funct ons, a.rJ-z"on drag - - --ú J_.i. - -.L 1 1 1 -shindered and ace - - = e 7, and ---or-.n-4nc an acute ancle a and surf-ace iDressu-,e becomes --elaz--:ve-,7 small, above and, _at ?--ne same time, zne _= rue due z-- z-'-,e e,-==- 6 '--ec-,jeen 1 1 j 1 and,ez e -4 i 1 1 m enhan-ced.
The element 1 can be conszruczed usina a. mhoto etc,_i-c me,!--noc.
FIGS. 3 - 7 are descr-mz-ve drawinas of the summarv of the above method.
in the method, various metal materials such as steel which can be corroded with etchants are used as a raw material.
In this embodiment, as illustrated in FIG. 3, a steel plate, sliv-proof element raw material 10 of 400 mm X 500 mm X 0.5 mm dimensions, is the initial material used.
After degreasing, onto the surface of the sli-p-proof raw material 10, an anticorrosive photosensitive resin, namely, phot c res J1 -st fi!m 11 c o a zed as i-, -1 US r Zed in '7T G. j Next, the photo resist film 1-1 is develoned, that is, a ill - m-rebaking tre-atment is performed.
t_he s=e =-;..-.aze as C55 -- sc r Ibed, w-he --=- in exposed areas lof z--,e pho r_ o re S i sz f- 11711 are removed bv the exzosure and develomment -crocesses, and the corresr)ondnc mhoto mask is used.On thle conz--mr-j, however, it t - is well known thaz a negative tvr)e can also be used, wherein the area other tChan that exposed of the photo resist is removed bv the ex-josure and development processes, and the corresponding photo mask is used. it is essential that a photo resist film remains at each location promortionate to the slip-proof tooth 3 which is to be formed.
Next, the sliD-iDroof element raw material 10 with tie metallic exzosed marts 14 thus rroduced is subjeczed to a a -1 =_ Z C - - the exzose .ant an,---, Furzher, the size of the base 2 can be aziDrocr--:ate-l-j seleczed and need noz necessar-i-!,,- be limized to the embodimenz sez forth hereinabove.
The base material 2 in the embodiment sez forth hereinabove was plate-shaped, but need not necessarilv be limited to this form and can be either scuare-block or round-block shaTDed.
The slip-proof too.th 3 according to the embodiment set forth hereinabove had been formed on one side of the surface of 25the base material 2, but need not necessarily be limited to one side and c-=n-be formed on e-Lzher sur.ace as well.
of e s m r o of t o o z h 3 c _= n b- e a -p p r op r i _= z e 1-- _J S e ',m etea to e e:-.,zoc-"Tierz 1 :10 =-- Z= _ -uz need noz- necessarily -=-= 4 - sez IS c=- Surface, need necessar Ibe -cmooz-'-- and mav be cl= a rouch _curf-ace w..;:.z-i a pl,--ra--,--t-t.7 c-= and s,--zer-=--:ne concaves and convexes il-uszrzzeA- in FT 7 zrie surf-ace is rouc-nt Z- -I S -c =or-.-,i this rouch rouchness a-iso c-=uses a -r---cz.:on drac. surface, the slim-Droolf elemenz raw mazerial 1-0 wit.h a rouch su--=Lace mav be used as the initial material- as as illustrated in FIG. 11. When the sli-D-oroof ei-e.menz raw material 10 is as mentioned above, Che surface area increases resulting in accurate adhesion of 1P1he photo resist film 11 and mromotes ac--ura.;,..e etching. In the embodiments set forth hereinabove, the base mate'rial 2 and the slipproof tooth 3 are metallic materials, however. the slip-proof teeth are not necessarily limited to metallic materials. in additiOn, tChe surface or only 'the SliD'proof teeth 3 of the entire surface can be hardened to form ahard surface. Also, 11 a d v a n z a c e s c _= n be at- z _= -1 n e d a c c o r n c z p -- e Se- v e o n integral - wit.h the have t--.: and side j rZ:
(3) Since recard-less of the cont"-acz load with the ob-"ecz to be contacted beinc!-=rge, ---'.4z-r)roof tooth will not be damaced.
CL A IME R Metallic Slip-proot' Element A metallic slip-proof element comprising:a base material made of metal; and an array of slip-proof teeth formed and integrate on the surface of said base material, which teeth have a uoDer face and side face forming an acute angle between them.

Claims (1)

  1. 2. A metallic slip-prooE element as claimed in Claim 1, wherein the Iliase
    material in of a Dlate form.
    3. A metallic slip-proof element as claimed in Claim 1, wherein the base material is of a block form.
    4. A metallic slip-proof element as claimed in any preceeding Claim wherein the slip-proof teeth are formed only on one surface of the base material.
    A 5. A metallic slip-proof element as claimed in any one of Claims 1 to 3 wherein the slip-proof teeth are formed on 1 a plurality of the surfaces of the base material.
    17 1 e 1 z s 1 -4 p - p r c o f e _' e m e n c a s c 1 a i m e G: I n a n v nreceeding CIalm wherein the slip-proof teeth have a generall,y mushroom- like form.
    7. A metallic slip-proof element as claimed in any one of Claims 1 to 6 wherein the slip-proof teeth have an elongate form.
    8. A metallic slip-proof element as claimed in any of Claims 1 to 6 wherein the array of slip-proof teeth have a striDe form running laterally and vertically to intersect one another.
    9. A metallic slip-proof element as claimed in any one of Claims 1 to 6 wherein the array of slip-proof teeth have a beehive-shaped form.
    10. A metallic slip-proof element as claimed in any preceding Claim wherein the array of the slip-proof teeth is symmetrical about a predetermined axis.
    11. A metallic slip-proof element as claimed in any one of Claims 1 to 6 wherein the arrav of the slip-proof teeth is asymmetrical about a predetermined axis.
    cln-Droof e' n v xte ta 2 lemen, as 01 r)r ec ed; i C1 _= im, where i n h e u Der f ace of t_ E "I I roo f I s a smooch surface.
    13. A metallic s-l-iD-Proof element as claimed in any one of Claims 1 to 11 wherein the upper face of the slip-proof teeth is a rouah surface.
    14. A metallic slip-proof element as claimed in a.nv preceding Claim wherein the base materila and slip-proof teeth are made of a metallic material without being heat-treated.
    is. A metalllic slip-proof element as claimed in any one of Claims 1 to 13 wherein only the surface of the base material on which the slip-proof teeth are provided is heat-treated.
    16. A metallic slip-proof element as claimed in any one of Claims 1 to 13 wherein the whole of the base material and slip-proof teeth are heattreated.
    17. A metallic slip-proof element as claimed in any one of Claims 1 to 13 wherein the base material and slip-proof teeth are heat-treated to form the hard surface layer, and the hard layer is also coated with synthetic resin.
    A n e. e = e c r r e d u c -1 D a g e c o mi -- r i s -1 n g a D I;--- n a r su---tl-ate havIng- a PluralitY of s teeth in".earallv formed on the upper surface of the substrate by an etching process, the teeth having an upper face and a side Face which define betweeen then, an acute angle.
    19. A method of producing an element according to any preceding Claim comprising:- formina an array of protective material on an etchable substrate; applying etchant to the substrate whilst the etchent and the substrate are in physical motion relative to one another so as to remove substrate matter in recesses in the array whic",,-are not covered by the protective -ate.--Jal; and removina remaining portions of protective material form the substrate whereby an array of slip-proof teeth are formed on the upper surface of the substrate, which teeth have an upper face and a side face which between them define an acute angle.
    P ublished 1985 at The Patent Office. State House. 6671 High Holborn, London WC1R 4TP. Further copies may be obtained from The Patent Office, --- 1-, n------- -.<pnt ERS 3RD. Printed by Multiplex techniques ltd, St Mary Cray. Kent. Con. 1187 -
GB8716260A 1987-07-10 1987-07-10 Metallic slip-proof element Expired - Fee Related GB2206614B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8716260A GB2206614B (en) 1987-07-10 1987-07-10 Metallic slip-proof element
DE19873723821 DE3723821A1 (en) 1987-07-10 1987-07-18 METAL SLIDING ELEMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8716260A GB2206614B (en) 1987-07-10 1987-07-10 Metallic slip-proof element

Publications (3)

Publication Number Publication Date
GB8716260D0 GB8716260D0 (en) 1987-08-19
GB2206614A true GB2206614A (en) 1989-01-11
GB2206614B GB2206614B (en) 1991-10-16

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Family Applications (1)

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GB8716260A Expired - Fee Related GB2206614B (en) 1987-07-10 1987-07-10 Metallic slip-proof element

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GB (1) GB2206614B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996036469A1 (en) * 1995-05-18 1996-11-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Non-slip floor covering and process for producing it
ES2120828A1 (en) * 1993-12-08 1998-11-01 Honda Motor Co Ltd Antislipping member
EP1229147A1 (en) * 2001-01-25 2002-08-07 Tecomet Inc. Method for producing undercut recesses in a surface, a surgical implant made thereby and a method for fixing an implant to bone
US7850862B2 (en) 2001-01-25 2010-12-14 Tecomet Inc. Textured surface having undercut micro recesses in a surface

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19807620A1 (en) * 1998-02-13 1999-09-02 Loh Kg Hailo Werk Ladder rung
US6620332B2 (en) 2001-01-25 2003-09-16 Tecomet, Inc. Method for making a mesh-and-plate surgical implant

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB194618A (en) * 1922-08-02 1923-03-15 Lucien Gaisman Improvements in or relating to road paving and paving blocks therefor
GB198066A (en) * 1922-02-25 1923-05-25 Dunlop Rubber Co Improvements in or relating to wearing surfaces for roads footways, floors and the like
GB198618A (en) * 1922-08-02 1923-06-07 Lucien Gaisman Improvements in rubber-faced blocks for road paving and like purposes
GB224114A (en) * 1923-12-27 1924-11-06 Herbert Frood Improvements relating to the manufacture of paving and like blocks
GB1219740A (en) * 1967-01-09 1971-01-20 Plansee Metallwerk Improvements in and relating to non-skid studs
GB1222831A (en) * 1967-05-12 1971-02-17 William Charles Coombs A flooring unit
GB2151277A (en) * 1983-12-14 1985-07-17 Rasta Abrasives Uk Limited Non-slip floor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2246898A (en) * 1938-04-16 1941-06-24 American Abrasive Metals Compa Nonslip wear-resistant tread
US2190211A (en) * 1939-03-08 1940-02-13 Louis J A Lavallee Antiskid tread for stairs, floors, and the like
DE1149878B (en) * 1959-05-12 1963-06-06 Reliance Steel Products Compan Process for producing an anti-slip layer on grids that can be driven over
DE1919715U (en) * 1965-02-19 1965-07-15 Peter Jos Schiffer STAIR TREAD COVERING.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB198066A (en) * 1922-02-25 1923-05-25 Dunlop Rubber Co Improvements in or relating to wearing surfaces for roads footways, floors and the like
GB194618A (en) * 1922-08-02 1923-03-15 Lucien Gaisman Improvements in or relating to road paving and paving blocks therefor
GB198618A (en) * 1922-08-02 1923-06-07 Lucien Gaisman Improvements in rubber-faced blocks for road paving and like purposes
GB224114A (en) * 1923-12-27 1924-11-06 Herbert Frood Improvements relating to the manufacture of paving and like blocks
GB1219740A (en) * 1967-01-09 1971-01-20 Plansee Metallwerk Improvements in and relating to non-skid studs
GB1222831A (en) * 1967-05-12 1971-02-17 William Charles Coombs A flooring unit
GB2151277A (en) * 1983-12-14 1985-07-17 Rasta Abrasives Uk Limited Non-slip floor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2120828A1 (en) * 1993-12-08 1998-11-01 Honda Motor Co Ltd Antislipping member
WO1996036469A1 (en) * 1995-05-18 1996-11-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Non-slip floor covering and process for producing it
US6167879B1 (en) 1995-05-18 2001-01-02 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Process for producing non-slip floor covering
US6434897B1 (en) 1995-05-18 2002-08-20 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E. V. Non-slip floor covering and process for producing it
CN1107579C (en) * 1995-05-18 2003-05-07 弗劳恩霍弗实用研究促进协会 Non-slip floor covering and process for producing it
EP1229147A1 (en) * 2001-01-25 2002-08-07 Tecomet Inc. Method for producing undercut recesses in a surface, a surgical implant made thereby and a method for fixing an implant to bone
US7850862B2 (en) 2001-01-25 2010-12-14 Tecomet Inc. Textured surface having undercut micro recesses in a surface

Also Published As

Publication number Publication date
DE3723821A1 (en) 1989-01-26
GB2206614B (en) 1991-10-16
GB8716260D0 (en) 1987-08-19

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960710