GB663497A - Improvements in or relating to ladders - Google Patents

Improvements in or relating to ladders

Info

Publication number
GB663497A
GB663497A GB1925949A GB1925949A GB663497A GB 663497 A GB663497 A GB 663497A GB 1925949 A GB1925949 A GB 1925949A GB 1925949 A GB1925949 A GB 1925949A GB 663497 A GB663497 A GB 663497A
Authority
GB
United Kingdom
Prior art keywords
ladders
relating
ladder
fins
star
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.)
Expired
Application number
GB1925949A
Inventor
Correze Aage Oscar Berner
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.)
LOFT LADDERS Ltd
Original Assignee
LOFT LADDERS Ltd
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 LOFT LADDERS Ltd filed Critical LOFT LADDERS Ltd
Priority to GB1925949A priority Critical patent/GB663497A/en
Publication of GB663497A publication Critical patent/GB663497A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

663,497. Ladders. LOFT LADDERS, Ltd. June 15, 1950 [July 21, 1949], No. 19259/49. Class 20(ii) Tubular metal rungs 2 of a ladder are reinforced internally by metal webs or fins which may comprise flat plates 1 or have sections in the form of a star, X or V.
GB1925949A 1949-07-21 1949-07-21 Improvements in or relating to ladders Expired GB663497A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1925949A GB663497A (en) 1949-07-21 1949-07-21 Improvements in or relating to ladders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1925949A GB663497A (en) 1949-07-21 1949-07-21 Improvements in or relating to ladders

Publications (1)

Publication Number Publication Date
GB663497A true GB663497A (en) 1951-12-19

Family

ID=10126388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1925949A Expired GB663497A (en) 1949-07-21 1949-07-21 Improvements in or relating to ladders

Country Status (1)

Country Link
GB (1) GB663497A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096087A1 (en) * 1982-06-04 1983-12-21 Vereinigte Aluminium-Werke Aktiengesellschaft Method and hollow profile for connecting with other profiles by expanding, edge-curling or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096087A1 (en) * 1982-06-04 1983-12-21 Vereinigte Aluminium-Werke Aktiengesellschaft Method and hollow profile for connecting with other profiles by expanding, edge-curling or the like

Similar Documents

Publication Publication Date Title
GB663497A (en) Improvements in or relating to ladders
BE601305A (en) Priming compound.
GB678842A (en) Improvements in or relating to metal ladders
CH298002A (en) Optional equipment.
SU79507A1 (en) Steam Spray Nozzle
SU77807A1 (en) The method of preparation of the slip acid-resistant enamels
FR1000875A (en) Improvements to pumps, more specifically to fire pumps
SU23507A1 (en) The method of preparation of phosphorescent substances
DK75528C (en) Tilt-adjustable and extendable as well as possibly also a swivel ladder, especially fire and rescue ladder.
CA457124A (en) Metal tubular scaffolding
FR1027568A (en) composite component, sheet metal
GB912677A (en) Improvements relating to ladders
Latcham Revenue Act of 1948, Legislative History Series
FR1000107A (en) Applicable vertical constructions, in particular, as pylons
GB455651A (en) Improvements in ladders
FR979939A (en) Joint for assembling bars, tubes or profiles
GB543110A (en) Improvements in or relating to cooling towers
CA461538A (en) Extension ladder
ES163039A2 (en) IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 160430
FR1024913A (en) Ladder part, in particular for extendable fire ladders
ES158765A2 (en) IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT
GB940579A (en) Improvements relating to ladders
DK69957C (en) Freestanding ladder.
FR992416A (en) folding ladder that can form a stepladder
GR12034B (en) CABLE SUPPLIED BY ONE OR MORE SPRINGS FOR WEIGHT LIFTING, ITSELF WITH SHIPWRECK, AND METHOD OF LIFTING THEM.