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
GB322118A
Inventor
Edward Griffiths
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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to GB322118ApriorityCriticalpatent/GB118985A/en
Publication of GB118985ApublicationCriticalpatent/GB118985A/en
F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
F41H11/00—Defence installations; Defence devices
F41H11/05—Net barriers for harbour defence
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Solid-Sorbent Or Filter-Aiding Compositions
(AREA)
Abstract
118,985. Griffiths, E. Feb. 23, 1918. Submarines, trapping.-Apparatus for trapping or destroying submarines consists of a number of rings 1 fixed to one another in -planes at rightangles and fitted with steel prongs or knives 6. These rings are suspended by chains from buoys or floats 5. Or a ring 7 suspended in a horizontal position is fitted with chains 10 carrying pronged hooks 11. The edges of the prongs 6, 11 are undercut to form cutting-edges.
GB322118A1918-02-231918-02-23Apparatus for Trapping Submarine Craft.
ExpiredGB118985A
(en)