NL7701246A - FLEXIBLE SECURITY. - Google Patents

FLEXIBLE SECURITY.

Info

Publication number
NL7701246A
NL7701246A NL7701246A NL7701246A NL7701246A NL 7701246 A NL7701246 A NL 7701246A NL 7701246 A NL7701246 A NL 7701246A NL 7701246 A NL7701246 A NL 7701246A NL 7701246 A NL7701246 A NL 7701246A
Authority
NL
Netherlands
Prior art keywords
flexible security
security
flexible
Prior art date
Application number
NL7701246A
Other languages
Dutch (nl)
Other versions
NL165522B (en
NL165522C (en
Original Assignee
Raatjes Egbertus Sijbolt
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 Raatjes Egbertus Sijbolt filed Critical Raatjes Egbertus Sijbolt
Priority to NL7701246.A priority Critical patent/NL165522C/en
Priority to BE2056653A priority patent/BE863484A/en
Priority to FR7803228A priority patent/FR2379655A1/en
Priority to ES466710A priority patent/ES466710A1/en
Priority to GB4653/78A priority patent/GB1592438A/en
Priority to DK053178A priority patent/DK156010C/en
Priority to DE2805021A priority patent/DE2805021C2/en
Priority to LU79014A priority patent/LU79014A1/en
Priority to SE7801406A priority patent/SE432793B/en
Priority to CH137078A priority patent/CH628104A5/en
Priority to AT0085878A priority patent/AT372131B/en
Publication of NL7701246A publication Critical patent/NL7701246A/en
Publication of NL165522B publication Critical patent/NL165522B/en
Application granted granted Critical
Publication of NL165522C publication Critical patent/NL165522C/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/149—Annular gaskets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
NL7701246.A 1977-02-07 1977-02-07 COVER OF AN OPENING IN A ROAD. NL165522C (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NL7701246.A NL165522C (en) 1977-02-07 1977-02-07 COVER OF AN OPENING IN A ROAD.
BE2056653A BE863484A (en) 1977-02-07 1978-01-31 FLEXIBLE SECURITY
ES466710A ES466710A1 (en) 1977-02-07 1978-02-06 Flexibly locked cover for road or like surfaces
GB4653/78A GB1592438A (en) 1977-02-07 1978-02-06 Flexibly locked cover for road or like surfaces
DK053178A DK156010C (en) 1977-02-07 1978-02-06 DAEKSEL, e.g. FIREPLACE COVER FOR FITTING IN ROADS
DE2805021A DE2805021C2 (en) 1977-02-07 1978-02-06 "Cover, in particular for a manhole, with a frame and a cover with recesses and projections assigned to one another"
FR7803228A FR2379655A1 (en) 1977-02-07 1978-02-06 MANHOLE CLOSURE
LU79014A LU79014A1 (en) 1977-02-07 1978-02-07 SOFT LOCKING SYSTEM FOR COVERS INSTALLED IN PAVEMENT COVERINGS
SE7801406A SE432793B (en) 1977-02-07 1978-02-07 DEVICE ON FOUR LOCK
CH137078A CH628104A5 (en) 1977-02-07 1978-02-07 Manhole cover
AT0085878A AT372131B (en) 1977-02-07 1978-02-07 SHAFT COVER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7701246.A NL165522C (en) 1977-02-07 1977-02-07 COVER OF AN OPENING IN A ROAD.

Publications (3)

Publication Number Publication Date
NL7701246A true NL7701246A (en) 1978-08-09
NL165522B NL165522B (en) 1980-11-17
NL165522C NL165522C (en) 1981-04-15

Family

ID=19827935

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7701246.A NL165522C (en) 1977-02-07 1977-02-07 COVER OF AN OPENING IN A ROAD.

Country Status (11)

Country Link
AT (1) AT372131B (en)
BE (1) BE863484A (en)
CH (1) CH628104A5 (en)
DE (1) DE2805021C2 (en)
DK (1) DK156010C (en)
ES (1) ES466710A1 (en)
FR (1) FR2379655A1 (en)
GB (1) GB1592438A (en)
LU (1) LU79014A1 (en)
NL (1) NL165522C (en)
SE (1) SE432793B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570663A1 (en) * 1992-05-20 1993-11-24 Passavant-Werke Ag Manhole cover
EP0587971A1 (en) * 1992-09-18 1994-03-23 Fondatel S.A. Locking key for a manhole cover

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627899A (en) * 1948-03-08 1953-02-10 Alfred G W Grotefend Folding chair
DE9006130U1 (en) * 1990-05-30 1990-08-02 Kessel, Bernhard, 8071 Lenting, De
KR19980082083A (en) * 1998-08-21 1998-11-25 심규보 Manhole with lock
GB0130245D0 (en) * 2001-12-19 2002-02-06 Wrekin Welding & Fabriction En Ground surface access assemblies
DE102019008678A1 (en) * 2019-12-16 2021-06-17 Markus Riedlberger MANHOLE COVER, IN PARTICULAR FOR INSTALLATION IN A ROAD PAVEMENT

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2051172A (en) * 1932-05-02 1936-08-18 Nick Satara Manhole construction
FR1465187A (en) * 1966-01-21 1967-01-06 Manhole cover for pavements or others
DE7034308U (en) * 1970-09-15 1971-01-14 Buderus Eisenwerk CAST-IRON FRAME FOR A MANHOLE COVER.
DE2145066C3 (en) * 1971-09-09 1978-09-14 Raatjes, Egbertus Sijbolt, Soest (Niederlande) Manhole cover for a manhole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570663A1 (en) * 1992-05-20 1993-11-24 Passavant-Werke Ag Manhole cover
EP0587971A1 (en) * 1992-09-18 1994-03-23 Fondatel S.A. Locking key for a manhole cover

Also Published As

Publication number Publication date
DE2805021C2 (en) 1984-04-12
NL165522B (en) 1980-11-17
DK156010C (en) 1989-10-16
DE2805021A1 (en) 1978-08-10
ES466710A1 (en) 1979-06-16
FR2379655B1 (en) 1983-09-16
AT372131B (en) 1983-09-12
DK156010B (en) 1989-06-12
SE7801406L (en) 1978-08-08
NL165522C (en) 1981-04-15
CH628104A5 (en) 1982-02-15
FR2379655A1 (en) 1978-09-01
DK53178A (en) 1978-08-08
ATA85878A (en) 1983-01-15
SE432793B (en) 1984-04-16
GB1592438A (en) 1981-07-08
BE863484A (en) 1978-05-16
LU79014A1 (en) 1978-06-21

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee