US1340441A - Sheet-metal boat or other vessel - Google Patents

Sheet-metal boat or other vessel Download PDF

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Publication number
US1340441A
US1340441A US369398A US36939820A US1340441A US 1340441 A US1340441 A US 1340441A US 369398 A US369398 A US 369398A US 36939820 A US36939820 A US 36939820A US 1340441 A US1340441 A US 1340441A
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vessel
boat
sheet
metal boat
sheet metal
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Expired - Lifetime
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US369398A
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Gardner William
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Individual
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Priority to US369398A priority Critical patent/US1340441A/en
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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 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/16—Shells

Definitions

  • the present invention which is based on the principle that the amount of stretch necessary is found to be the difference between the length of the curve of the section and the length of the chord of that section, minus the difference between the length of the curve and the length of the chord at either end, provides a construction in which the material is not stretched amidships but is decreased in width at either end of the boat by an amount equal to the aforesaid difference.
  • the invention consists in a vessel constructed of sheet metal crimped or joggled in longitudinal steps, each step increasing in depth or inclination toward the bow and stern as required by the shape of the vessel, the number and effective depth of steps being such as to produce an effect equivalent to the usual stretching, so that the vessel may receive the form and appearance of an ordinary clinker built wooden boat.
  • Figure 1 is a fragmentary elevation
  • Fig. 2 a section on the line 2, 2, of Fig. 1
  • Fig. 3 a-section on the line 3, 3 of Fig. 1.
  • the sheet metal forming the vessel shown is crimped or joggled in longitudinal steps 1, each step increasing in effective depth toward the bow and stern as required by the shape of the vessel, the number and depth of such steps causing an effect equivalent to the usual stretching.
  • the product has the form and appearanceof an ordinary clinker built wooden boat.
  • Fig. 2 is an enlarged section, on line 2-2,
  • Fig. 1 nearone end of the boat
  • Fig. 3 is an enlarged section, on line 3-3, Fig. 1, amidships, or near the middle of the boat.

Description

W. GARDNER.
SHEET METAL BOAT OR OTHER VESSEL. APPLICATION FILED MMLZI, 1920.'
1,840,441. Patented May'18, 1920.
UNITED STATES PATENT OFFICE.
WILLIAM GARDNER, OF BROOlVIHILL, GLASGOW, SCOTLAND.
SHEET-METAL BOAT OR OTHER VESSEL.
- To all whom it may concern:
stretched to form the curve of the bilge.
The present invention, which is based on the principle that the amount of stretch necessary is found to be the difference between the length of the curve of the section and the length of the chord of that section, minus the difference between the length of the curve and the length of the chord at either end, provides a construction in which the material is not stretched amidships but is decreased in width at either end of the boat by an amount equal to the aforesaid difference.
To this end, the invention consists in a vessel constructed of sheet metal crimped or joggled in longitudinal steps, each step increasing in depth or inclination toward the bow and stern as required by the shape of the vessel, the number and effective depth of steps being such as to produce an effect equivalent to the usual stretching, so that the vessel may receive the form and appearance of an ordinary clinker built wooden boat.
A sheet metal boat constructed according Specification of Letters Patent.
Patented May 18, 1920.
Application filed March.27, 1920. Serial No. 369,398.
to the invention is illustrated in the accompanying drawing in which Figure 1 is a fragmentary elevation, Fig. 2 a section on the line 2, 2, of Fig. 1 and Fig. 3 a-section on the line 3, 3 of Fig. 1.
The sheet metal forming the vessel shown is crimped or joggled in longitudinal steps 1, each step increasing in effective depth toward the bow and stern as required by the shape of the vessel, the number and depth of such steps causing an effect equivalent to the usual stretching. The product has the form and appearanceof an ordinary clinker built wooden boat.
Fig. 2 is an enlarged section, on line 2-2,
Fig. 1, nearone end of the boat, and Fig. 3 is an enlarged section, on line 3-3, Fig. 1, amidships, or near the middle of the boat.
It will be readily understood that, as the forming may be done without heating, the inventiono-fi'ers the additional advantage that galvanized, tinned, lead-coated, or coppercoated mild steel sheets, or any other material in sheets (plain or coated) may be employed.
I claim A vessel constructed of sheet metal formed in longitudinal steps, each step increasing in In testimony whereof I have signed my name to this specification in the presence'of two subscribing witnesses.
WILLIAM GARDNER.
Witnesses ISABEL RoLLs, FLORENCE HOUSTON.
US369398A 1920-03-27 1920-03-27 Sheet-metal boat or other vessel Expired - Lifetime US1340441A (en)

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US369398A US1340441A (en) 1920-03-27 1920-03-27 Sheet-metal boat or other vessel

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US1340441A true US1340441A (en) 1920-05-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119129A (en) * 1959-05-25 1964-01-28 Evans Prod Co Curved sandwich panels, method of making same, and method of making articles therewith

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119129A (en) * 1959-05-25 1964-01-28 Evans Prod Co Curved sandwich panels, method of making same, and method of making articles therewith

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