IP Library Granted Patent US 7,678,718
Granted Patent B2
US 7,678,718 · App. 11/680,939 · Granted Mar 16, 2010

Base layer apparel

Assignee: Longworth Industries, Inc.
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Quick Facts
Patent No.
US 7,678,718
App. No.
11/680,939
Granted
Mar 16, 2010
Kind
B2
Abstract

A base layer apparel is provided that is formed from a single or double-knit fabric. The fabric is formed of ring spun fire resistant yarns that are an intimate blend of at least 60 percent modacrylic fibers and up to 40 percent fire-resistant viscose fibers. Anti-microbial and wicking treatments may be applied to the knit fabric.

Claims (19)

1. A garment, comprising:

(a) an article of base layer apparel for wear adjacent the skin and selected from the group consisting of long underwear, short underwear, and undershirts, and formed of a knit fabric, comprising:

(i) ring spun flame-resistant yarns comprising an intimate blend of between 74 percent and 80 percent modacrylic fibers and between 20 percent and 26 percent flame-resistant viscose fibers, wherein the modacrylic constituent has at least 50 percent acrylonitrile units, and further wherein the yarn size is between 30/1 cc and 36/1 cc, and the modacrylic fibers have a denier of about 1.5;

(ii) wherein the yarns are formed into a double knit construction having a first skin-contact layer and a second layer, the first skin-contact layer having first open spaces and a second outer layer having second open spaces larger than the first open spaces;

(b) wherein the article of base layer apparel is flame resistant, moisture absorbent, and has a soft hand suitable for wear in direct contact with a wearer's skin for extended periods in high temperature and high humidity environments.

2. The base layer apparel of claim 1 wherein the modacrylic fibers are about 2 inches in length and the yarn size is 30/1 cc.

3. An undergarment, comprising:

(a) an article of base layer apparel for wear adjacent the skin and selected from the group consisting of long underwear, short underwear, and undershirts, and formed of a jersey knit fabric, comprising:

(i) ring spun flame-resistant yarns comprising an intimate blend of at between 74 percent and 80 percent modacrylic fibers and between 20 percent and 26 percent flame-resistant viscose fibers, wherein the modacrylic constituent has at least 50 percent acrylonitrile units, and further wherein the yarn size is between 30/1 cc and 36/1 cc, and the modacrylic fibers have a denier of about 1.5; and

(b) wherein the article of base layer apparel is flame resistant, moisture absorbent, and has a soft hand suitable for wear in direct contact with a wearer's skin for extended periods in high temperature and high humidity environments.

4. A T-shirt, comprising:

(a) a knit fabric forming a tubular body portion open at the bottom and having a pair of arm openings and a neck opening, the knit fabric comprising:

(i) ring spun fire-resistant yarns comprising an intimate blend of at between 74 percent and 80 percent modacrylic fibers and between 20 percent and 26 percent fire-resistant viscose fibers, wherein the modacrylic constituent has at least 50 percent acrylonitrile units, and further wherein the yarn size is between 30/1 cc and 36/1 cc, and the modacrylic fibers have a denier of about 1.5; and

(b) wherein the T-shirt is flame resistant, moisture absorbent, and has a soft hand suitable for wear in direct contact with a wearer's skin for extended periods in high temperature and high humidity environments.

5. The T-shirt of claim 4 wherein the yarns are formed into a double knit construction having one of the layers comprising an open mesh construction having open spaces larger than the other of the double knit layers.

6. The garment of claim 1 , wherein the knit fabric comprises at least one of a wicking treatment and an anti-microbial treatment applied to the fabric.

7. The undergarment of claim 3 , wherein the knit fabric comprises at least one of a wicking treatment and an anti-microbial treatment applied to the fabric.

8. The undergarment of claim 3 , wherein the modacrylic fibers are about 2 inches in length and the yarn size is 30/1 cc.

9. The T-shirt of claim 4 , wherein the knit fabric comprises at least one of a wicking treatment and an anti-microbial treatment applied to the fabric.

Assignments (2)
SECURITY INTEREST Recorded Jan 29, 2025
From: LONGWORTH INDUSTRIES, INC.,
To: THE TORONTO-DOMINION BANK
Reel/Frame 070044/0922 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 1, 2007
From: HARRIS, WILLIAM W., MR.; CONNER, TONY G., MR.
To: LONGWORTH INDUSTRIES, INC.
Reel/Frame 018948/0393 →
Continuity (1)
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