Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Utility Patent
1999-08-04
2001-01-02
Morano, S. Joseph (Department: 3617)
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
C441S116000
Utility Patent
active
06168488
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a life jacket, particularly to one easy to make, having enough strength to endure for a long period of time.
Conventional life jackets generally are made of nylon cloth and a plurality of bags contained in the nylon cloth with foam plastic filled in the bags so as to enable the life jackets to float on water.
However, nylon cloth has to be cut and sewn into a coat in making the conventional life jackets, and then the bags are also needed to be sewn through complicated processes. In addition, the foam material has to be cut to suit to the shape and size of the bags, filled in the bags and then sealed. Therefore, conventional life jackets need much labor and time in manufacture, resulting in high cost to hamper them from being popularly used.
SUMMARY OF THE INVENTION
The main objective of the invention is to offer a life jacket that is possible to be made easily, saving time, labor and cost, but having an excellent strength.
The second objective of the invention is to offer a life jacket provided with an increased flexibility and strength of a float member covered with a cloth layer.
REFERENCES:
patent: 3449778 (1969-06-01), Jones
patent: 3545017 (1970-12-01), Cohn
patent: 4689030 (1987-08-01), McWaters
patent: 5000710 (1991-03-01), Bedortha et al.
patent: 5342232 (1994-08-01), Bardot
patent: 5605482 (1997-02-01), Choy
Dougherty & Troxell
Morano S. Joseph
Muldoon Patrick Craig
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