US2384966A - Composite boat construction - Google Patents
Composite boat construction Download PDFInfo
- Publication number
- US2384966A US2384966A US572587A US57258745A US2384966A US 2384966 A US2384966 A US 2384966A US 572587 A US572587 A US 572587A US 57258745 A US57258745 A US 57258745A US 2384966 A US2384966 A US 2384966A
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- US
- United States
- Prior art keywords
- frames
- wood
- metal
- construction
- planking
- 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 - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B5/00—Hulls characterised by their construction of non-metallic material
- B63B5/12—Hulls characterised by their construction of non-metallic material made predominantly of wood with metal reinforcement, i.e. composite construction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B5/00—Hulls characterised by their construction of non-metallic material
- B63B5/02—Hulls characterised by their construction of non-metallic material made predominantly of wood
- B63B5/06—Decks; Shells
- B63B5/08—Decks; Shells with single-layer planking
Description
Sept. 18, 1945. F. D. ROWLAND COMPOSITE BOAT CONSTRUCTION Filed Jan. 13, 1945 F2 Qazmawp IN VEN TOR.
Patented Sept. 18, 1945 UNlTED STATES PATENT OFFICE 2,384,966 j COMPOSITE BOAT CONSTRUCTION- Forrest D. Rowland, Dallas, Tex.
Application January 13, 1945, Serial No. 572,587
7 Claims.
This invention relates to the construction of boats and more particularly to the manufacture of motor boats, yachts and the like.
The principal object of the invention is to provide a composite boat construction, making for greater economy by virtue of the reduction of hand work ordinarily necessary in all wood construction. I
Further objects include the provision of a more seaworthy craft, due to lighter superstructure above the high water line; greater economy in operation due to less overall weight; streamlining to promote a more pleasing external appearance and the provision, due to the all metal and moderately prefabricated upper structure, of more adequate, attractive and durable interior appointments.
Another object of the invention of equal importance lies in the provision of an improved composite construction for small water craft in which it is made possible to design and construct that portion of a boat above the high water line in substantially the same manner as modern automobile bodies are produced, i. e., by diestamping sections of the body and providing for their assembly upon a preconstructed wooden bottom. It is commonly known that the wood planked bottom is the best type of construction for all boats of the pleasure and yacht class, hence the present invention anticipates the use of the conventional wood bottom to a point just above the high water line and corrosion resistant metal from this point for all covering for the hull, deck, cabin, cabin roof etc., where wood is ordinarily used, and further, the novel form of means to be hereinafter described to accomplish the foregoing.
With these and other objects as paramount, the invention has further reference to certain features of accomplishment which will become apparent as the description proceeds, taken in connection with the accompanying drawing Figure 3 is a fragmentary detail view in perspective of the assembly shown in Figure 2 but viewing the same from the interior of the hull.
Figure 4 shows the fragmentary frame section illustrated in Figures 2 and 3 but in vertical section, and
Figure 5 is an interior View of the frame section' taken on line 55 on Figure 4.
Continuing with a more detailed description of the drawing, reference is primarily made to Figure 1 wherein numeral Ill denotes the upper structure of a conventional motor powered boat, while the wood planked bottom is indicated by numeral II, below the water line I2. While this figure shows the lower portion of the metallic shell I0 as being flush'with the high water line [2, it is preferred that it be terminated just above this line, although the location of the joint in relation to the water line may be varied to correspond to different conditions and requirements.
The invention requires no change in the present construction of the bottom I I up to the water line. Slightly above this point however, the vertical frames I3 are terminated and deep channels it are spliced to the vertical stub frames I3 by bolts I5 passed laterally through the stub frames and the flanges of the-channels- I4,".'as
shown.
A horizontal frame I6 is provided and extends entirely around thhull just above the high water line and is set in correspondingly shaped recesses in the stub frames I3 to be flush with the outer surfaces thereof. To accommodate this horizontal frame, the channels I4 are likewise recessed in their outer faces, the recesses being of such depth that they will retain the vertical flange a of a bulb angle I1. The horizontal flange b of this bulb angle II lies flush on the top of the horizontal frame I6 the full length thereof, although a bead c on the inner edge of the horizontal frame rises flush with the rib d of the angle flange 2), as shown in the several views to'afiord a reinforcing abutment for the bulb angle.
It will be observed that the horizontal frame I6 lies flush with the top of the upper side plank I I and that the latter is notched out at I8.
Metal sheathing I0, preformed in sections by dies is feathered into the notch I8 of the upper side plank I I which latter is secured by screws I9 to the horizontal frame, the sheathing being secured by rivets 20 to the bulb angle II. The notch IS in the plank II is made of suflicient depth to accommodate a quantity of cement 2I to provide a water tight joint between the metal and wood sections of the hull.
The frames for the metal covered portion of the hull and cabin may be of conventional wood or they may be formed of corrosion resisting metal stamped to shape, the metal frames being preferred, being of lighter weight and the sheet metal can be riveted to the frames. All metals,
frames, bulb angle, sheet metal, screws, etc., should be of the same material to insure against electrolysis. These may be stainless steel, brass, cupro-nickel, etc., stainless steel being preferred among the materials named.
Referring again to the channel extensions M of the vertical stub frames I 3, it will be noted that as a further contribution to the strength of the assembly, the flanges of the channels in recessing to receive the horizontal frame I6, are out along a line midway between the top and bottom of the proposed recess and the metal is bent upwardly and downwardly to form laterally extending projections 22 which embrace the upper and lower surfaces of the bulb angle l1 and horizontal frame IS on each side of the vertical frame. Bolts 23 are passed through these projections and the said angle and frame to securely hold the assembly against any possible displacement.
Due to the double curves in some surfaces, it will become necessary to stamp out the metal for these surfaces, while the single curve surfaces may be covered with fiat sheets, the edges of the sheet metal to be either welded and polished smooth or overlapped and riveted, using a sealing compound to insure a water tight joint. The wood planking II is secured by screws 24 to the stub frames above and below the water line and sealed in any conventional manner.
It is clearly apparent from the foregoing that a more seaworthy and economical craft is provided and one of greater durability and longer life by virtue of the novel structural advantages shown and described.
Manifestly, the construction as shown and described is capable of some modification and such modification as may be construed to fall within the scope and meanin of the appended claims is also considered to be within the spirit and intent of the invention.
What is claimed is:
l. A boat of composite construction including vertical. stub frames covered below the high Water lin with wood planking, a horizontal frame flush with the top of said wood planking and recessed'into said stub frames, a bulb angle overlying and coextensive with said horizontal frame, and preformed metal sheathing feathered into the upper edge of said wood planking, riveted to said bulb angle and screwed to said horizontal frame.
2. In a composite boat construction, a bottom composed of wood planking, vertical stub frames to which said planking is secured, metallic members joined to and forming continuations of said stub frames and recessed on an even plane with the top of said planking, a horizontal frame lying in the recesses of said metallic members, reinforcing means afiixed along the top of said latter frame and a metal sheathing overlying said metallic members and feathered into the top of said planking to form the upper covering of said boat.
3. In a composite boat construction, a bottom composed of wood planking terminating above the high Water line of said boat, vertical stub frames in spaced relationship in said bottom and extending above said planking, metallic members afiixed to and forming continuations of said stub frames, 2. horizontal frame embracing the perimeter of said bottom and mortised in said stub frames and metallic members above said high water line and a metal sheathing affixed to said frames whose lower edge is sealed with respect to the upper edge of said planking.
4. In a boat construction, a bottom of wood planking, a plurality of vertical frames, each consisting of wood lower sections and metal upper sections joined together above the high water line on said bottom, a horizontal frame embracing said vertical frames, and a metallic sheathing aflixed to said vertical and horizontal frames, forming a continuation of said planking.
5. A boat construction including a wood bottom of planking rising above the high water line On said boat, a framework of wood and metal supporting said planking and a preformed sheathing of metal forming the superstructure of said boat and whose lower portion is in sealed relation with the upper portion of said planking.
6. The construction described in claim 5, further defined in that the framework consists of vertical stub members of wood, encased at their upper ends by channel members of metal, and a horizontal frame embracing said vertical stub members below their upper ends but above the lower-ends of said channel members.
7. The construction described in claim 5, further defined in that the frame-work is composed of vertical stub members of wood and metal channels encasing the upper ends of said stub members to form continuations of said vertical frames, the overlapping portions of said members and channels having corresponding recesses in their faces, said channels further having projections struck outwardly from their sides in
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US572587A US2384966A (en) | 1945-01-13 | 1945-01-13 | Composite boat construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US572587A US2384966A (en) | 1945-01-13 | 1945-01-13 | Composite boat construction |
Publications (1)
Publication Number | Publication Date |
---|---|
US2384966A true US2384966A (en) | 1945-09-18 |
Family
ID=24288493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US572587A Expired - Lifetime US2384966A (en) | 1945-01-13 | 1945-01-13 | Composite boat construction |
Country Status (1)
Country | Link |
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US (1) | US2384966A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2724132A (en) * | 1951-10-24 | 1955-11-22 | Vernon D Shoup | Metal boat flotation chamber construction |
US3092850A (en) * | 1959-08-10 | 1963-06-11 | George B Garrett | Boat construction |
US3670683A (en) * | 1969-06-25 | 1972-06-20 | Etat Francais Delegatien Minis | Hulls of the ships and their methods of construction |
US5188056A (en) * | 1989-07-11 | 1993-02-23 | Claude Bonnet | Pleasure boat with sails or motor |
-
1945
- 1945-01-13 US US572587A patent/US2384966A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2724132A (en) * | 1951-10-24 | 1955-11-22 | Vernon D Shoup | Metal boat flotation chamber construction |
US3092850A (en) * | 1959-08-10 | 1963-06-11 | George B Garrett | Boat construction |
US3670683A (en) * | 1969-06-25 | 1972-06-20 | Etat Francais Delegatien Minis | Hulls of the ships and their methods of construction |
US5188056A (en) * | 1989-07-11 | 1993-02-23 | Claude Bonnet | Pleasure boat with sails or motor |
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