SE544646C2 - Method of producing a ladder and a ladder manufactured according to said method - Google Patents

Method of producing a ladder and a ladder manufactured according to said method

Info

Publication number: SE544646C2
Authority: SE; Sweden
Prior art keywords: die; section; ladder; extending sections; shape
Prior art date: 2020-07-14

Application number

SE2050892A

Other languages

English (en)

Swedish (sv)

Other versions

SE2050892A1 (en

Inventor

Rolf Hedlund

Original Assignee

Cwl Patent Ab

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.)

2020-07-14

Filing date

2020-07-14

Publication date

2022-10-04

2020-07-14 Application filed by Cwl Patent Ab filed Critical Cwl Patent Ab

2020-07-14 Priority to SE2050892A priority Critical patent/SE544646C2/en

2021-06-23 Priority to EP21181062.7A priority patent/EP3940188B1/en

2021-06-23 Priority to PL21181062.7T priority patent/PL3940188T3/pl

2022-01-15 Publication of SE2050892A1 publication Critical patent/SE2050892A1/en

2022-10-04 Publication of SE544646C2 publication Critical patent/SE544646C2/en

Links

238000000034 method Methods 0.000 title claims abstract description 19
238000004519 manufacturing process Methods 0.000 claims abstract description 8
239000002184 metal Substances 0.000 claims abstract description 7
229910052751 metal Inorganic materials 0.000 claims abstract description 7
238000005520 cutting process Methods 0.000 claims abstract description 6
230000002708 enhancing effect Effects 0.000 claims description 5
238000005260 corrosion Methods 0.000 claims description 4
238000003825 pressing Methods 0.000 claims description 4
239000000463 material Substances 0.000 claims description 3
230000000295 complement effect Effects 0.000 claims description 2
230000001419 dependent effect Effects 0.000 claims description 2
230000009194 climbing Effects 0.000 description 3
230000004224 protection Effects 0.000 description 3
238000005452 bending Methods 0.000 description 2
238000005096 rolling process Methods 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
238000004873 anchoring Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000005461 lubrication Methods 0.000 description 1
230000000284 resting effect Effects 0.000 description 1
238000007665 sagging Methods 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000009423 ventilation Methods 0.000 description 1
229910052725 zinc Inorganic materials 0.000 description 1
239000011701 zinc Substances 0.000 description 1

Classifications

- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/06—Ladders for resting against objects, e.g. walls poles, trees in one piece
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
- B21D5/015—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments for making tubes
- 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
- B21D53/00—Making other particular articles
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/12—Devices or arrangements allowing walking on the roof or in the gutter
- 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
- 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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Ladders (AREA)
Programmable Controllers (AREA)

SE2050892A 2020-07-14 2020-07-14 Method of producing a ladder and a ladder manufactured according to said method SE544646C2 (en)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
SE2050892A SE544646C2 (en)	2020-07-14	2020-07-14	Method of producing a ladder and a ladder manufactured according to said method
EP21181062.7A EP3940188B1 (en)	2020-07-14	2021-06-23	Method of producing a ladder
PL21181062.7T PL3940188T3 (pl)	2020-07-14	2021-06-23	Sposób wytwarzania drabiny

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE2050892A SE544646C2 (en)	2020-07-14	2020-07-14	Method of producing a ladder and a ladder manufactured according to said method

Publications (2)

Publication Number	Publication Date
SE2050892A1 SE2050892A1 (en)	2022-01-15
SE544646C2 true SE544646C2 (en)	2022-10-04

Family

ID=76942744

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE2050892A SE544646C2 (en)	2020-07-14	2020-07-14	Method of producing a ladder and a ladder manufactured according to said method

Country Status (3)

Country	Link
EP (1)	EP3940188B1 (pl)
PL (1)	PL3940188T3 (pl)
SE (1)	SE544646C2 (pl)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1196667A (en) *	1914-07-13	1916-08-29	Valley Forging Company	Method of making ladders.
US2502228A (en) *	1946-06-10	1950-03-28	Miller George Lee	Ladder for railroad cars
GB2030628A (en) *	1978-09-15	1980-04-10	Treiz G	Ladder
US20070045236A1 (en) *	2005-02-11	2007-03-01	Benteler Automobiltechnik Gmbh	Method and apparatus for making tubes
US20170167198A1 (en) *	2015-05-27	2017-06-15	Willow Step, Inc.	Step adapter for rung ladders

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE527435C2 (sv)	2004-07-30	2006-03-07	Cw Lundberg Ind Ab	Takstege jämt förfarande för framställning av takstege
DE202019002772U1 (de) *	2019-07-02	2019-08-07	Euroline Gmbh Friedrich Schlichte	Aufsetzelement auf die Sprossen einer Leiter

2020
- 2020-07-14 SE SE2050892A patent/SE544646C2/en unknown
2021
- 2021-06-23 PL PL21181062.7T patent/PL3940188T3/pl unknown
- 2021-06-23 EP EP21181062.7A patent/EP3940188B1/en active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1196667A (en) *	1914-07-13	1916-08-29	Valley Forging Company	Method of making ladders.
US2502228A (en) *	1946-06-10	1950-03-28	Miller George Lee	Ladder for railroad cars
GB2030628A (en) *	1978-09-15	1980-04-10	Treiz G	Ladder
US20070045236A1 (en) *	2005-02-11	2007-03-01	Benteler Automobiltechnik Gmbh	Method and apparatus for making tubes
US20170167198A1 (en) *	2015-05-27	2017-06-15	Willow Step, Inc.	Step adapter for rung ladders

Also Published As

Publication number	Publication date
EP3940188C0 (en)	2023-06-07
EP3940188B1 (en)	2023-06-07
SE2050892A1 (en)	2022-01-15
PL3940188T3 (pl)	2023-09-11
EP3940188A1 (en)	2022-01-19

Publication	Publication Date	Title
US20040007150A1 (en)	2004-01-15	Roof safety system
AU2001286050A1 (en)	2002-08-15	Roof safety system
EP3604730B1 (en)	2023-11-01	Extension ladder, system and method
AU2020353048B2 (en)	2022-06-16	Flashing assembly for a roof penetrating structure and a method for manufacturing a flashing assembly
EP2474796A1 (de)	2012-07-11	Dachhaken, insbesondere für Tragkonstruktionen
US3232378A (en)	1966-02-01	Ladder rungs
US8037643B1 (en)	2011-10-18	Roof ridge construction apparatus and method
US3181651A (en)	1965-05-04	Ladder and rung connection
US3349870A (en)	1967-10-31	Flatstep ladder
SE544646C2 (en)	2022-10-04	Method of producing a ladder and a ladder manufactured according to said method
KR100960071B1 (ko)	2010-05-31	지붕을 가지는 구조물의 지붕시트 고정프레임 및 상기프레임을 이용한 지붕시트 고정방법
EP0157072A1 (en)	1985-10-09	Rail assembly with climber shoes and fall-preventing means
US11959290B2 (en)	2024-04-16	Support frame and method of use
JP4737475B1 (ja)	2011-08-03	梯子アタッチメント
KR102236223B1 (ko)	2021-04-02	사다리용 미끄럼방지장치
AU2020101207A4 (en)	2020-08-06	Ladder safety device
US20250305360A1 (en)	2025-10-02	Treads for climbing products and methods of manufacture
CN217439935U (zh)	2022-09-16	一种现场装配式的铝合金防滑屋面检修爬梯
EP0048228B1 (en)	1985-02-06	Structural joint
DE202017105122U1 (de)	2018-11-29	Leiter
RU2775109C1 (ru)	2022-06-28	Устройство для подъема/спуска и защиты от падения с высоты
EP3967826B1 (en)	2024-11-06	Walkway system for a roof and method for installing the same
DE202025004147U1 (de)	2026-02-23	Sicherungsläufer zum Einsetzen in eine Sicherungsschiene sowie Gebäudedach hiermit
DE9315655U1 (de)	1993-12-09	Dachaufliegeleiter
DE20010298U1 (de)	2000-08-17	Stufe oder Sprosse sowie Leiter