View
227
Download
0
Category
Preview:
Citation preview
TO ALL HOLDERS OF
1. The followinglisted:
New Page
MIL-STD-1491NOTICE 117 September 1973
MILITARY STANDARD
GLOSSARY OF
KNITTING IMPERFECTIONS
MIL-STD-1491
pages of MIL-STD-1491 have been revised and supersede the pages
Date Superseded Page Date
ii 17 September 1973 ii 3 December 19713 " " " 37 "
3 December 1971" " 7 3 December 1971
2. The attached Photographic Supplement and Table of Contents are added.
3. Retain this notice.
4. Holders of MIL-STD-1491 will verify that pages changed above have been enteredand will destroy the previous pages. The notice page will be retained as a check
sheet. This issuance, together with appended pages, is a separate publicationEach notice is to be retained by stocking points until Military Standard is completelyrevised or cancelled.
FSC 83GP
Downloaded from http://www.everyspec.com
Downloaded from http://www.everyspec.com
MIL-STD-1491
DEPARTMENT OF DEFENSE
Washington, DC 20301
Glossary of Knitting Imperfections
MIL-STD-1491
1. This standard has been approved for use by the Department of the Army, Navy andAir Force effective 3 December 1971.
2. Recommended corrections, additions or deletions should be addressed to US ArmyNatick Laboratories (GL), Natick, MA.
Supersedes Page ii of 3 December 1971
ii
Downloaded from http://www.everyspec.com
Downloaded from http://www.everyspec.com
Foreign matter
Fuzzy
Heavy yarn
Hole
Horizontal streaks
Kink
Knot
Ladder
Lint
Loose course
Loose yarn
Luster difference
Mend
Miss-knit
MIL-STD-1491
Waste, fly or extraneous material that has been knit intothe fabric or spun into the yarn.
A fabric condition characterized by excessive hairiness.
Yarn of a noticeably larger diameter than normally beingused in the fabric.
A place in the fabric where two or more contiguous loopsor yarns have been ruptured.
(See “Barre”).
A place in the fabric where a short length of yarn hasdoubled on itself.
Self-descriptive.
(See “Run”).
(See “Foreign Matter”).
A row of loops in the width or crosswise direction thatis larger, looser or longer than the body material.
Yarn that has been knit-in under insufficient tension.
Self-descriptive (see “Barre”, “Mixed yarn”).
Damaged, defaced or torn fabric that has been fixed orrepaired.
Wrong formation or description of the normal knittingpattern (see “Float”).
Supersedes Page 3 of 3 December 1971
3
Downloaded from http://www.everyspec.com
Downloaded from http://www.everyspec.com
MIL-STD-1491
Vertical lines Lengthwise marks occurring in knitted fabric. Sometimescalled doglines or needle lines.
Washboards A riagy effect on the fabric which can be caused by uneventension between feeds or by variations of yarn denier.
Weak spot Places in the fabric which have beer abnormally weakened dur-ing any part of the operations through which it has passed.A latent defect that is not normally observable in normal in-spection.
Whispering Breaking or fraying of the individual filaments of the yarn.
Width variation - Self-descriptive.
Yarn variation Yarn irregularity of weight per unit length. Usually eithera course or wale is noticeably thicker or thinner than ad-jacent yarns.
Short term - 1 to 10 times the fiber length,
Medium term - 10 to 100 times the fiber length.
Long term - 100 to 1000 (or more) times the fiber length.
Custodians:
Army - GLNavy - SAAir Force - 11
Review activities:
Navy - ASAir Force - 45, 82
User activities:
Army - AVNavy - MC, SH, YD
Supersedes Page 7 of 3 December 1971
7
Preparing activity:
Army - GL
Project No. 83GP-0338
Downloaded from http://www.everyspec.com
PHOTOGRAPHIC
SUPPLEMENT
TO
MIL-STD-1491
CAUTION
These photographs are not acceptancelimits. They are only visual guidesto aid in recognition of the morecommon knitting defects.
8
MIL-STD-1491
Downloaded from http://www.everyspec.com
MIL-STD-1491
Barre
Birdseyes (Tucking defect)
Bowing
Crackmarks
Creases
Dropped Stitches
3
4
5
6
Heavy
Hole
Loose
yarn
Course
Missing yarn
Press off
Run
Slub
Spots
Thin yarn
Tucking defect 16
Vertical
Vertical
line
lines
CONTENTS
FIGURE
9
1
2
7
8
9
10
11
12
13
14
15
17
18
Downloaded from http://www.everyspec.com
MIL-STD-1491
10
Downloaded from http://www.everyspec.com
MIL-STD-1491
11
Downloaded from http://www.everyspec.com
12
MIL-STD-1491
Downloaded from http://www.everyspec.com
MIL-STD-1491
13
Downloaded from http://www.everyspec.com
MIL-STD-1491
14
Downloaded from http://www.everyspec.com
MIL-STD-1491
15
Downloaded from http://www.everyspec.com
MIL-STD-1491
16
Downloaded from http://www.everyspec.com
MIL-STD-1491
17
Downloaded from http://www.everyspec.com
MIL-STD-1491
18
Downloaded from http://www.everyspec.com
MIL-STD-1491
19
Downloaded from http://www.everyspec.com
MIL-STD-1491
20
Downloaded from http://www.everyspec.com
MIL-STD-1491
21
Downloaded from http://www.everyspec.com
MIL-STD-1491
22
Downloaded from http://www.everyspec.com
MIL-STD-1491
23
Downloaded from http://www.everyspec.com
MIL-STD-1491
24
Downloaded from http://www.everyspec.com
MIL-STD-1491
25
Downloaded from http://www.everyspec.com
MIL-STD-1491
26
Downloaded from http://www.everyspec.com
MIL-STD-1491
27
● U.S. GOVERNMENT PRINTING OFFICE: 1976—703-020/1236
Downloaded from http://www.everyspec.com
Downloaded from http://www.everyspec.com
Recommended