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FR806268A - Fermeture pour écoutilles - Google Patents

Fermeture pour écoutilles

Info

Publication number
FR806268A
FR806268A FR806268DA FR806268A FR 806268 A FR806268 A FR 806268A FR 806268D A FR806268D A FR 806268DA FR 806268 A FR806268 A FR 806268A
Authority
FR
France
Prior art keywords
hatch closure
hatch
closure
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
Other languages
English (en)
Inventor
Walter Macgregor Yorke
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 filed Critical
Application granted granted Critical
Publication of FR806268A publication Critical patent/FR806268A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
    • H01J40/06—Photo-emissive cathodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
    • B63B19/12—Hatches; Hatchways
    • B63B19/14—Hatch covers
    • B63B19/18—Hatch covers slidable

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Tents Or Canopies (AREA)
FR806268D 1935-04-29 1936-04-23 Fermeture pour écoutilles Expired FR806268A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2091775X 1935-04-29

Publications (1)

Publication Number Publication Date
FR806268A true FR806268A (fr) 1936-12-11

Family

ID=10898210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806268D Expired FR806268A (fr) 1935-04-29 1936-04-23 Fermeture pour écoutilles

Country Status (2)

Country Link
US (1) US2091775A (fr)
FR (1) FR806268A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423384A (en) * 1945-04-09 1947-07-01 Hess Dudley Hatch cover
US2627835A (en) * 1945-07-20 1953-02-10 Mege Paul Andre Metallic cover for closing the hatchways of ships
US2564051A (en) * 1945-11-20 1951-08-14 Bush Ean Lee Buoyant hatch cover
US2979007A (en) * 1957-09-20 1961-04-11 Bretagne Atel Chantiers Retractable ramps for interconnecting spaces situated at different levels
US3889619A (en) * 1974-02-06 1975-06-17 Pullman Inc Barge construction

Also Published As

Publication number Publication date
US2091775A (en) 1937-08-31

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