SE7906996L - Trappa - Google Patents

Trappa

Info

Publication number
SE7906996L
SE7906996L SE7906996A SE7906996A SE7906996L SE 7906996 L SE7906996 L SE 7906996L SE 7906996 A SE7906996 A SE 7906996A SE 7906996 A SE7906996 A SE 7906996A SE 7906996 L SE7906996 L SE 7906996L
Authority
SE
Sweden
Prior art keywords
staircase
Prior art date
Application number
SE7906996A
Other languages
English (en)
Other versions
SE421642B (sv
Inventor
Sok
Original Assignee
Treitz Gerd
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 Treitz Gerd filed Critical Treitz Gerd
Publication of SE7906996L publication Critical patent/SE7906996L/sv
Publication of SE421642B publication Critical patent/SE421642B/sv

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Ladders (AREA)
SE7906996A 1978-09-15 1979-08-22 Trappstege SE421642B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2840266A DE2840266C3 (de) 1978-09-15 1978-09-15 Leiter oder Treppe

Publications (2)

Publication Number Publication Date
SE7906996L true SE7906996L (sv) 1980-03-16
SE421642B SE421642B (sv) 1982-01-18

Family

ID=6049576

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7906996A SE421642B (sv) 1978-09-15 1979-08-22 Trappstege

Country Status (6)

Country Link
US (1) US4228872A (sv)
DE (1) DE2840266C3 (sv)
FR (1) FR2436252A1 (sv)
GB (1) GB2030628B (sv)
IT (1) IT1119842B (sv)
SE (1) SE421642B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4834216A (en) * 1987-01-15 1989-05-30 Emerson Electric Co. Foldable ladder structure and method of manufacturing the same
US4917216A (en) * 1988-06-16 1990-04-17 Kimber Edward G Segmented ladder construction
US5180031A (en) * 1990-12-11 1993-01-19 Smith Daniel S Gardener's aid for sloped ground
USD388520S (en) * 1996-05-07 1997-12-30 Hercules Products, Inc. Adjustable swimming pool ladder
ES2226535B1 (es) * 2002-09-20 2006-01-16 Escaleras Y Objetos Practicos, S.A. Procedimiento para la fabricacion de escaleras de mano.
SE527435C2 (sv) * 2004-07-30 2006-03-07 Cw Lundberg Ind Ab Takstege jämt förfarande för framställning av takstege
US20060032705A1 (en) * 2004-08-16 2006-02-16 Isham William R Lightweight composite ladder rail having supplemental reinforcement in regions subject to greater structural stress
US20070205053A1 (en) * 2004-08-16 2007-09-06 Isham William R Molded composite climbing structures utilizing selective localized reinforcement
WO2008101258A1 (en) * 2007-02-16 2008-08-21 Cmx Technologies, Llc Bladder molding systems and methods for fabricating composite articles
US20090038886A1 (en) * 2007-08-06 2009-02-12 Bastin Bruce G Ladder assembly formed from integral material blank
SE544646C2 (en) * 2020-07-14 2022-10-04 Cwl Patent Ab Method of producing a ladder and a ladder manufactured according to said method

Family Cites Families (7)

* 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.
US1714451A (en) * 1926-06-10 1929-05-21 Royal Railway Improvements Cor Ladder
US1688210A (en) * 1926-11-03 1928-10-16 Wallace W Smith Stair, ladder, and the like
US3299985A (en) * 1962-11-07 1967-01-24 Harrison Henry Stepladder construction
DE6918053U (de) * 1969-05-02 1969-11-06 Walter Dieterle Werkzeugmacher Leiter.
US3908260A (en) * 1973-10-12 1975-09-30 Charles M Loomis Method of making a truck ladder
DE2404108A1 (de) * 1974-01-29 1975-07-31 Krietsch Hans Joachim Bausystem mit stahlskelett-rahmenelementen

Also Published As

Publication number Publication date
IT1119842B (it) 1986-03-10
DE2840266A1 (de) 1980-03-27
US4228872A (en) 1980-10-21
DE2840266C3 (de) 1981-06-04
SE421642B (sv) 1982-01-18
DE2840266B2 (de) 1980-07-10
GB2030628B (en) 1983-02-02
IT7950249A0 (it) 1979-09-13
GB2030628A (en) 1980-04-10
FR2436252A1 (fr) 1980-04-11

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