Hazardous environment suit

• US 4,272,851 A
• Filed: 02/16/1979
• Issued: 06/16/1981
• Est. Priority Date: 02/16/1979
• Status: Expired due to Term

• Current Assignee: Durafab Division of Texel Industries Incorporated
• Original Assignee: Durafab Division of Texel Industries Incorporated
• Inventors: Goldstein, Lynn E.
• Primary Examiner(s): Hunter, H. Hampton
• Application Number:
  US06/012,655
• Time in Patent Office: 851 Days
• Field of Search: 2/79, 2/2.1 A, 2/81, 2/82, 2/275, 428/104, 428/122, 428/193
• US Class Current: 2/79
• CPC Class Codes: A41D 27/24 Hems; Seams
• CPC Class Codes: A62B 17/001 Adaptations for donning, adjusting or increasing mobility, e.g. closures, joints
• CPC Class Codes: A62B 17/006 against contamination from chemicals, toxic or hostile environments; ABC suits

Abstract

In a protective garment for insulating a worker from a hazardous environment, a suit manufactured from weldable or bondable material having a double overlapping zipper construction and welded or bonded seams having a binding stitched to the outside of the seams whereby the needle holes from such stitching do not extend to the interior of the garment.

Claims

1. A protective garment for use in contaminated areas, comprising:

a. laminated seam-bondable body material, said seam-bondable body material forming the body of said garment and comprising non-woven spunbonded olefin having laminated to one side thereof a polyethylene film,

b. bonded seams, said bonded seams being formed of said seam-bondable body material and comprising an ultrasonically induced welded seam portion,

c. binding means on the outside of said bonded seams, said binding means comprising a sewn binding sewn externally of said bonded seam, the stitching of said sewn binding being positioned such that said welded seam portion is located between said stitching and the interior of said garment, and

d. double zipper means securing a body opening in said garment.

2. A protective garment in accordance with claim 1. wherein said double zipper means comprises first zipper means secured to said garment and having a central opening therein and second zipper means secured about said first zipper means, said second zipper means comprising a flap secured along one edge thereof to said body, extending over said central opening of said first zipper means and a zipper securing a second edge thereof to said body.

3. A protective garment in accordance with claim 2, wherein said garment additionally comprises air inlet means and air exhaust means, said air inlet means comprising an intake tube connected to a source of clean air and said air exhaust means comprising exhaust ports covered by a protective flap.

4. A protective garment in accordance with claim 3, wherein the interior of said garment is pressurized to a pressure in excess of the external ambient pressure.