US1657915A - Protective device for vessels - Google Patents

Protective device for vessels Download PDF

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Publication number
US1657915A
US1657915A US204537A US20453727A US1657915A US 1657915 A US1657915 A US 1657915A US 204537 A US204537 A US 204537A US 20453727 A US20453727 A US 20453727A US 1657915 A US1657915 A US 1657915A
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Prior art keywords
hull
protective
vessel
stern
grate
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US204537A
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Calamita Pietro
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Individual
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Priority to US204537A priority Critical patent/US1657915A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G9/00—Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines
    • B63G9/02—Means for protecting vessels against torpedo attack

Definitions

  • 'My invention relates to protective means for vessels and refers particularly tomeans tor protecting'the hull of a vessel from injury dueto'a projectile impact.
  • An ell ective device of the character. des scribed must be light in weight, must be of.
  • the device of my invention possesses all of the above mentioned, and other desirable properties as will be evident upon a consideration of my specification and its accompanaying drawings.
  • my device comprises two differently con structed parts,one of which protects the bow and stern of the vessel and the other of which protects the sides of the hull.
  • a consideration of the contour of a vessel shows that when it is in motion, the force of the water is against the face of the protective means at the bow and stern, while the force of the water is parallel with the face of the protective means at the sides of the vessel.
  • the construction of the device must be of such a character as to otter the least possible water resist-- ance at these respective portions of the vessel.
  • Figure l is a diagrannnatic side view of a vessel carrying the device of my invention.
  • Figure 2 is a top view of Figure 1.
  • Figure Si a front view of Figure 1.
  • Figure. 2' is anenlarged sectional View of the protective grateotmy device.
  • the particular: form .of the. device: of. my invention shown in the. accompzmying, drawings comprises a plurality of double reversed U-shaped supports 10, each having the stays l1 and 12 These supports are fixedly attached to the opposite sides of the hull 13, preferably by stay-rods 14, 14.
  • the U-shaped supports l0, 10 extend along each side oi. the hull 13 toward the stem and stern of the vessel, the latter two parts being protected will be described later.
  • Fixedly attached to the outer faces of the Lshaped supports is a protection plate 15.
  • the stem and stern of the vessel are protected by a grate composed of two base bars 16, 16 connected by a plurality of spaced grate rods, or bars, 17, 17.
  • This. protective grate is attached to the hull of the vessel by means of the angle supports 18, 18 and by means of the ti-shaped supports 18, 18, similar to those already described.
  • the water passes ireely through the forward protection grate which is the same general contour as the bow of the vessel, anu then passes along the sides of the hull, meeting with only the face resistance of the U-shaped protective plates and then outwardly through the stern protective grate.
  • What I claim is 1.
  • a protective device in combination tective grates carried by of said hull and with the hull of a vessel, a plurality of double reversed U-shaped members attached to the sides of said hull, a protective plate carried by said U-shaped members and prothe bow and stern of said hull.
  • a protective device in combination with the hull of a vessel, a plurality of double reversed U-shaped members attached to the sides of said hull, a protective plate carried by said U-shaped members, a protective grate carried by the bow of said hull and having the general contour of said bow, and a protective grate carried by the stern having the general contour of said stern.
  • a plurality of double reversed U-shaped members attache to the side of said hull, a plurality of: brace d day of July, 1927.
  • aprotective device in combination with the-hull of a vessel, a plurality of double reversed U-shaped members attached to the sides of said hull, a protective plate carried by the U-shaped members upon each side of said hull, a protective grate carried by and spaced from the bow of said hull and a protective grate carried by and spaced from the stern of said hull, the whole forming a protection means spaced from and having the general contour of the entire hull.

Description

Jan. 31, 1928.
P. CALAMITA PROTECTIVE DEVICE FOR VESSELS Filed Ju1y9, 1927 2 Sheets-Sheet 1 INVENTOR fle A; C mui fi a ATTORNEY Tan. 31, T928. 7 1,657,915
P. CALAMITA PROTECTIVE DEVICE FOR VESSELS Filed Ju1y9, 1927 2 SheetsSheet 2 INVENT'OR ATTORNEY Patented Jan. 31, 1928.
\ UNITED STATES PIE'TRO CALAMITA, OF BRQOKLYN, IIEV] YORK.
FRCTECTIVE DEVIGE' FOR VE'SEELS.
Application filed July 9, 1927.
'My invention relates to protective means for vessels and refers particularly tomeans tor protecting'the hull of a vessel from injury dueto'a projectile impact.
An ell ective device of the character. des scribed must be light in weight, must be of.
such construction as to preventthe passage of a projectile, mustlargely absorb the im-.
pact of the projectile and must present a minimuznofi waterresistance when the vessel is in motion.
The device of my invention possesses all of the above mentioned, and other desirable properties as will be evident upon a consideration of my specification and its accompanaying drawings.
In order to accomplish the desired objects, my device comprises two differently con structed parts,one of which protects the bow and stern of the vessel and the other of which protects the sides of the hull.
A consideration of the contour of a vessel shows that when it is in motion, the force of the water is against the face of the protective means at the bow and stern, while the force of the water is parallel with the face of the protective means at the sides of the vessel.
It is evident, therefore, that the construction of the device must be of such a character as to otter the least possible water resist-- ance at these respective portions of the vessel.
I accomplish this by forming my device of a grate-like construction at the fore and aft portions of the vessel, thus allowing free passage of the water therethrough, and forming the side portions of a conduit-form to allow of the unimpeded passage of the water therethrough.
By making my side portions of a double reversed U-shape instead of a closed conduit, I reduce the amount of metal thus reducing the weight, I reduce the amount of surface friction and'I produce a device having a certain amount of spring which will absorb the impact of a projectile to some extent, thus reducing the ellect of the blow upon the hull.
The advantages of my device will be evident upon a consideration of my specification and its accompanying drawings.
In the accompanying drawings illustrating one form of the device of my invention, similar parts are designated by similar numerals.
Serial No. 204,537.
Figure l. is a diagrannnatic side view of a vessel carrying the device of my invention.
Figure 2 is a top view of Figure 1.
Figure Sis a front view of Figure 1.
Figure: dis a section. through the. line. H of Figure 2.
Figure. 2'; is anenlarged sectional View of the protective grateotmy device.
The particular: form .of the. device: of. my invention shown in the. accompzmying, drawings comprises a plurality of double reversed U-shaped supports 10, each having the stays l1 and 12 These supports are fixedly attached to the opposite sides of the hull 13, preferably by stay- rods 14, 14. The U-shaped supports l0, 10 extend along each side oi. the hull 13 toward the stem and stern of the vessel, the latter two parts being protected will be described later. Fixedly attached to the outer faces of the Lshaped supports is a protection plate 15.
The stem and stern of the vessel are protected by a grate composed of two base bars 16, 16 connected by a plurality of spaced grate rods, or bars, 17, 17. This. protective grate is attached to the hull of the vessel by means of the angle supports 18, 18 and by means of the ti- shaped supports 18, 18, similar to those already described.
It will thus be seen that the entire hull of the vessel for a considerable distance belou the water-line carries a protective device and that it offers but a very slight increased water resistance. I
When the vessel is in motion, the water passes ireely through the forward protection grate which is the same general contour as the bow of the vessel, anu then passes along the sides of the hull, meeting with only the face resistance of the U-shaped protective plates and then outwardly through the stern protective grate.
lily device, therefore, presents an eltective protective means 01 inconsiderable weight, the impact force of a projectile being largely absorbed by the device due to its shape, and which at the same time oi'iers a minimum of water resistance.
I do not limit myseltt'to the particular size, shape, number, arrangement or material of parts, all of which are shown and tie scribed a means for clearly describing the device of my invention.
What I claim is 1. In a protective device, in combination tective grates carried by of said hull and with the hull of a vessel, a plurality of double reversed U-shaped members attached to the sides of said hull, a protective plate carried by said U-shaped members and prothe bow and stern of said hull.
2. In a protective device, in combination with the hull of a vessel, a plurality of double reversed U-shaped members attached to the sides of said hull, a protective plate carried by said U-shaped members, a protective grate carried by the bow of said hull and having the general contour of said bow, and a protective grate carried by the stern having the general contour of said stern.
3. In a protective device, in combination with the hull of a vessel, a plurality of double reversed U-shaped members attache to the side of said hull, a plurality of: brace d day of July, 1927.
supports within each U-shaped member, a protective plate carried by said U-shaped members andprotective grates carried by the bow and stern of said hull.
t. In aprotective device, in combination with the-hull of a vessel, a plurality of double reversed U-shaped members attached to the sides of said hull, a protective plate carried by the U-shaped members upon each side of said hull, a protective grate carried by and spaced from the bow of said hull and a protective grate carried by and spaced from the stern of said hull, the whole forming a protection means spaced from and having the general contour of the entire hull. I
Signed at New York city, in the county of New York and State of New York this 6th PIETRO OALAMITA. f
US204537A 1927-07-09 1927-07-09 Protective device for vessels Expired - Lifetime US1657915A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080164379A1 (en) * 2007-01-10 2008-07-10 Stephan Beat Wartmann Device for Defense from Projectiles, Particularly Shaped Charge Projectiles
US20080257141A1 (en) * 2007-04-20 2008-10-23 Medwell Roger Terence Arthur Vehicle armor
US20100294124A1 (en) * 2006-12-22 2010-11-25 Nederlandse Organisatie Voor Toegepast Natuurwetenschappelijk Onderzoek Trio Method and device for protecting objects against rocket propelled grenades (rpgs)
US20140338520A1 (en) * 2011-09-12 2014-11-20 Ten Cate Advanced Armour Uk Ltd. Armour Module for Vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100294124A1 (en) * 2006-12-22 2010-11-25 Nederlandse Organisatie Voor Toegepast Natuurwetenschappelijk Onderzoek Trio Method and device for protecting objects against rocket propelled grenades (rpgs)
US8857309B2 (en) 2006-12-22 2014-10-14 Cyril Maurice Wentzel Method and device for protecting objects against rocket propelled grenades (RPGs)
US20080164379A1 (en) * 2007-01-10 2008-07-10 Stephan Beat Wartmann Device for Defense from Projectiles, Particularly Shaped Charge Projectiles
US7975594B2 (en) * 2007-01-10 2011-07-12 Fatzer Ag Device for defense from projectiles, particularly shaped charge projectiles
US20080257141A1 (en) * 2007-04-20 2008-10-23 Medwell Roger Terence Arthur Vehicle armor
US7882776B2 (en) * 2007-04-20 2011-02-08 Np Aerospace Limited Vehicle armor incorporating grid with carbon fibers
US20140338520A1 (en) * 2011-09-12 2014-11-20 Ten Cate Advanced Armour Uk Ltd. Armour Module for Vehicle

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