New Vucuum Infusion Method US patent 7,273,576

[allan white]

New Vacuum Infusion Method

After nine years of R&D, I have received a US patent for a new method of hull and fuselage construction. The method uses perforated architectural wood veneer with layers of carbon, aramid or hybrid reinforcements. Each piece of veneer is overlapped with adjacent piece about 3/8” to ¾” depending on the specific project. The perforations in the veneer and the small continuous triangle that is formed by the overlapping veneers allows the hull to be vacuum infused without the need of expense of infusion media. The overlap of the veneer greatly increases the stiffness of the hull while adding little weight.

I have built solo canoes based on a stretched “Wee Lassie”. I increased the length from 10’-6” to 13’-6 to increase its capacity. Raw hulls can be as light as 10.5 lbs and are strong enough to pull form the mould and paddle without gunnales or thwarts. My lightest finished 13’-6” canoe to date weights 14.7 lbs with wood gunnales and varnish.

The full patent can be viewed at uspto.gov/patfit/index.html. The patent number is 7,273,576. I would appreciate comments.

Allan White

[kach22i]

Light enough construction to build a hovercraft?

[allan white]

Hello George,

I believe the answer is yes. I have built a solo canoe with single layers 3 oz. S glass, Veneer, 5.7 oz aramid, and Veneer. It weights approximately 4.9 oz per square foot and had incredible flexural strength. I sold my 1962 365 porsche recently to pay for my patent. What porsche(s) do you own? Allan

[safewalrus]

When I first read this heading I thought it was something to do with making Tea or Coffee, still not sure!

[allan white]

not to method my poor typing/ spelling. Vacuum not Vucuum

Thanks for the comment. The patent is for a method of vacuum infusing hulls and fuselages. The patent is for the simple construction of complex shapes using architectural wood veneer and modern reinforcements such as carbon, aramid etc, essentially making high strength plywood of any shape that is internally strengthened by the reinforcements. The fact that the pieces of veneer are overlapped further stiffens the hull, negated the need for the pieces to be perfectly aligned and best of all can be infused without infusion media.

I'm headed to the store to buy Mavis Beacon Teaches Typing.

Thanks for comment

Allan

[kach22i]

Originally Posted by allan white

Hello George,

I believe the answer is yes. I have built a solo canoe with single layers 3 oz. S glass, Veneer, 5.7 oz aramid, and Veneer. It weights approximately 4.9 oz per square foot and had incredible flexural strength. I sold my 1962 365 porsche recently to pay for my patent. What porsche(s) do you own? Allan

Was yours a coupe?

Mine:
1977 911s 2.7L (CIS) Targa top, Metalic Silver ext, black leather interior. Took off the A/C which did not work, and need new heat exchangers so that I can have some heat. Typical up-grades done, 110,000 miles with a few small dents and scratches. Rust is limited to rocker panel hole right where it curves up about the size of a silver dollar. This under $10,000 car is what is referred to as a "Starter Porsche" and it's no garage queen. Although she's sleeping in the garage until spring and after the first heavy rain which washes all the road salt away (Michigan salts it's roads).

I'll post a thread in the Hoverclub of America forum on the vacuum process, someone might be interested in this option.

[allan white]

Hello George,

Your car sounds very nice. Thanks very much for forwarding the thread.

Allan

[safewalrus]

Actually Allan he's right your system has many different uses, not just boats and cars and aeroplanes and specialist buildings and............ well you get my drift. Apart from the pee take [well you are a septic and it's compulsory for some of us] I do think you've done a wonderful job, can't gainsay that!

Mike (the Walrus)

[allan white]

which part of cornwall do you live ? do you know Bude ?

[safewalrus]

South East, the forgotten corner! don't get many visitors around here, suits us! Don't know Bude at all me 'ansom!

[marshmat]

Allan,

The technique appears impressive (and the boat is simply gorgeous). I haven't had a chance to read the patent yet but I will do so soon.

I don't see a website for your shop listed on your profile. Can you offer us some more information on these canoes - other models you produce, pricing, etc?

[allan white]

Matt, Thanks very much for the comments. I will have a website soon. I am currently working on a plug to make a mold for my next model, a tandem which will be 15'-6" x 34" x12.5" deep at its centerline. The estimated wieght of the finished canoe will be plus/minus 19 to 20 pounds.

The next model will be a small tender that should come out at 30 Pounds or so.

Take care allan