DK3520921T3 - PROCEDURE FOR MANUFACTURING A SLIDE RISE STEP AND A STEP STEP - Google Patents

PROCEDURE FOR MANUFACTURING A SLIDE RISE STEP AND A STEP STEP Download PDF

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Publication number
DK3520921T3
DK3520921T3 DK19153859.4T DK19153859T DK3520921T3 DK 3520921 T3 DK3520921 T3 DK 3520921T3 DK 19153859 T DK19153859 T DK 19153859T DK 3520921 T3 DK3520921 T3 DK 3520921T3
Authority
DK
Denmark
Prior art keywords
procedure
manufacturing
slide rise
slide
rise
Prior art date
Application number
DK19153859.4T
Other languages
Danish (da)
Inventor
Reijo Vuorenmaa
Original Assignee
Piristeel 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 Piristeel Oy filed Critical Piristeel Oy
Application granted granted Critical
Publication of DK3520921T3 publication Critical patent/DK3520921T3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/081—Rungs or other treads comprising anti-slip features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
    • B21D28/285—Perforating, i.e. punching holes in tubes or other hollow bodies punching outwards
DK19153859.4T 2018-02-01 2019-01-28 PROCEDURE FOR MANUFACTURING A SLIDE RISE STEP AND A STEP STEP DK3520921T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20185092A FI128707B (en) 2018-02-01 2018-02-01 A method of manufacturing an antislip ladder rung and a ladder rung

Publications (1)

Publication Number Publication Date
DK3520921T3 true DK3520921T3 (en) 2020-12-21

Family

ID=65236932

Family Applications (1)

Application Number Title Priority Date Filing Date
DK19153859.4T DK3520921T3 (en) 2018-02-01 2019-01-28 PROCEDURE FOR MANUFACTURING A SLIDE RISE STEP AND A STEP STEP

Country Status (5)

Country Link
EP (1) EP3520921B1 (en)
DK (1) DK3520921T3 (en)
FI (1) FI128707B (en)
LT (1) LT3520921T (en)
PL (1) PL3520921T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3878570A1 (en) * 2020-03-09 2021-09-15 Nesco Oy Method and apparatus for forming a tubular piece, a tubular piece and a ladder

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532860A1 (en) * 1995-09-06 1997-03-13 Behr Gmbh & Co Method and tool for producing a one-piece manifold
JP4801629B2 (en) * 2007-05-28 2011-10-26 三菱重工業株式会社 Cylindrical wall through-hole manufacturing method and cylindrical structure
DE202007014746U1 (en) * 2007-10-19 2008-02-28 Heinz, Richard rung
EP2487075A1 (en) * 2009-10-08 2012-08-15 Nippon Kayaku Kabushiki Kaisha Method of manufacturing perforated pipe for gas generator, as well as gas generator
JP2011231496A (en) * 2010-04-26 2011-11-17 Ito Co Ltd Slip stopper for ladder and ladder
KR200463733Y1 (en) * 2010-07-08 2012-11-22 정성한 Safety foothold for ladder
KR101809832B1 (en) * 2015-04-20 2017-12-15 김태조 How to make ladder foot scraper

Also Published As

Publication number Publication date
EP3520921A1 (en) 2019-08-07
LT3520921T (en) 2021-01-11
EP3520921B1 (en) 2020-09-30
FI128707B (en) 2020-10-30
PL3520921T3 (en) 2021-04-06
FI20185092A1 (en) 2019-08-02

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