1、MILITARY STANDARD VISUAL INSPECTION GUIDE FOR RUBBER FOOTWEAR Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _ - MIL-STD-ZBqA 8Li m 9999933 0079585 3 MIL-STD-284A 20 September 1963 DEPARTMENT OF DEFENSE WASHINGTON, D.C. Visual Inspection Guide For
2、Rubber Footwear MIL-STD-284A 1. This standard has been approved by the Department of Defense and is mandatory for use by 2, Recommended corrections, additions, or deletions shoulcl be addressed to Headquarters, DSA, the Departments of the Army, the Navy, and the Air Force. Standardization Division,
3、Washington, D.C. ii - -_ -_ ,-_ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-284A L( 7777733 00775b 5 = PARAGRAPH 1 . 1.1 1.2 2 . 2.1 3 . 3.1 3.2 3.2.1 33.2 323 32.4 3.2.5 32.6 33.7 3.2.8 32.9 3.2.10 32.11 32.12 83.13 32.14 32.15 32.16 32.
4、17 4 . 4.1 4.2 5 . 5.1 MIL-STD-284A 20 September 1963 CONTENTS Page Purpose . 1 Scope . 1 REFERENCED DOCUMENTS 2 Standards 2 DEFINITIONS 3 General definitions . 3 Specific definitions 3 Critical area 3 Uncritical area . 3 Allowable dimensions of defects . 3 Blister . 3 Crease . 3 Marred stock . 3 Pi
5、t 3 Wrinkle 8 Bloom . 3 Burned gum 3 Buckle stay 2 Chafing strip . 3 Foxing . 3 Pocket . 3 Ski-shelf . 3 Vamp 3 Pressed stock . 3 GBNERL REQUIREMENTS 4 General 4 Exceptions . 4 DETAIL REQUIRENENTS 6 Classification of defeck 5 SCOPE 1 TABLES TAULE I Clamification of defects 6 II Clamification of misc
6、ellaneous defects . 6 FIGURES Blister. heel reinforcing piece. uncritical area . (Major) . 7 Embedded foreign material. critical area . (Major) . 7 Blom stock. heel reinforcing piece. uncritical area . (Major) 8 Contact scar. vamp. critical area . (Major) . 9 Cut pocket. critical area. (Major) . 10
7、Hole. front &ay. uncritical area . (Major) . 11 Hole. heel reinforcing piece. uncritical area . (Major) . 12 Looseness. chaing strip. critical area . (Major) . 13 Looemess.-ront stay. uncritical area . (Major) . 14 iii - . -. - Y Provided by IHSNot for ResaleNo reproduction or networking permitted w
8、ithout license from IHS-,-,-mtl-StD-284A 80 September 1963 FIGURES-Continued 9 10 il 12 13 14 15 16 17 18 i9 20 21 22 23 Looseness. heel piece. uncritical area . (Major) . 15 Looseness. rolled foxing. uncritical area . (Major) 16 Loosenem. top binding. uncritical area . (Major) . 17 Marred stock. he
9、el. critical area . (Major) 18 Marred stock. heel reinforcing piece. uncritical area . (Major) 19 Marred stock. sole. critical area . (Major) . 20 Marred stock. sole. critical area . (Major) . 21 Started heel. critical area . (Major) . 23 Started sole. critical area . (Major) 24 Tear. foxing. uncrit
10、ical area . (Major) . 26 Tear. vamp. critical area . (Major) . 28 Wrinkle. heel reinforcing piece. uncritical area . (Minor) 27 Wrinkle. inner shell. critical aren . (Major) 28 Wrinkle. vamp. critical area . (Major) . 29 Pit.vamp. critical area . (Major) 22 iv Provided by IHSNot for ResaleNo reprodu
11、ction or networking permitted without license from IHS-,-,-MIL-STD-284A 20 September 1963 1. SCOPE 1.1 PURPOSE. The purpose of this standard (d) Provide a training manual for Govern- ment inspectors and increase their efficiency, Provide a uniform standard of quality for the acceptance of rubber foo
12、t.:esr. 1.2 SCOPE. This standard defines and de- picts the most common defects which occur in the manufacture of insulated and non-insulated rubber foot-wear and which may be determined Facilitate inspection of rubber footxear. Standardize inspection for all suppliers. during visual inspection of en
13、d product. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Q Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-284A 84 m 77779LL 0077570 7 m MIL-STD-2848 20 September 1963 3, DEFINITIONS 3.1 GEN
14、ERAL DEFINITIONS. Definitions of 3.2.8 Wrinkle. A wrinkle is a furrow or fold Standard MIGSTD-105 are applicable. in the surfac.e which may be stuck together. 3.2 SPECIFIC DEFINITIONS. For the pur- pose of this standard the applicable definitions included in Standard MIGSTD-177 and the Definitions s
15、tated below shall apply, Where a definition is covered in botli Standard MITD- i77 and below, and are different, the definitions giren below shall govern. of the structure. anchor the buckles. 3.2.9 Bloom. A bloom is material migrating 3.2.10 Burned gum. Burned gum is rubber that has been carbonized
16、 or deteriorated result- ing from excessive heat or corrosive chemicals. 3.2.11 Front stay. The front stay is the strip which is placed along the front of the rubber footwear to provide reinforcement and to help to the surface to fom a blush or discoloration. 3,2,1 Critical The critical areas the so
17、le, the lieel, and the inner 3.2.3 Allowable dimensions of defects. In de- termining uoVer, or UUnderJ for the type of de- fect, the largest dimension in any direction gov- 3.2.13 Foxing. Foxing is a ribbon of rubber which encircles the lower outer edge of rubber 3.2.14 Pocket. A pocket is the cavit
18、y in the tongue area Or tongue-bellows area of the boot. ebeiiding the length of the eyelets or fastenem 3.2.15 Ski-sheZf. The ski-shelf is a small sec- tion of rubber attached above the outside at t8he heel and toe sections of the insulated boot, erns. 3.2.4 An3- soft area that prese1its irregular
19、surface or protuberance without on the surface. break 3.2.5 Crease. A crease is a fold nia&, like a pleat, where surfaces 3re not stuck toget hei 3.2.6 Marred stock, Marred stock is iinper- fect surface stock caused when the uncured rub- ber struck or touched nonrubber objects or was otherwise injur
20、ed during processing, 3.2.7 Pit. A pit is a small open void in the surface of the rubber. 3.2.16 Vamp. The vamp is the top forepart of footwear which covers the front part of the foot. 3.2.17 Pressed stock Parts having a raised design or embossing which has been flattened dite to pressure from stack
21、ing. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-284A q m 77777LL 0077572 O m MIL-STD-284A- 20 September 19bJ 5. DETAIL REQUIREMENT 5.1 CLAS
22、SWICATION OF DEFECTS. The classification of defects shall be as shown in tables I and II, and in figures 1 to 23. The classification fect has on the serviceability or appearance of the end item, in accordance with definitions given in Standard MIESTD-105. given to a defect is based on the effect suc
23、h de- TABLE I. Classification oj Dejects Defect 1 Major 1 Minor Looseness or poor adhesion (any separation between gum parts OP gum parts and Lump over ?-& inch, critical area. . Lump over % inch, uncritical area . Marred stack X inch or more, critical area . Marred stock over inch, critical area. .
24、 -. . Marred stock W inch or more, uncritical area. . Marred dock over W inch, under W inch, uncritical area . . . i Operation omitted or not properly performed seriously affecting serviceability, Operation not properly performed affecting serviceability, but not seriously e.g. . Pairing-Variation i
25、n height more than inch but less than M inch . -. Pairing-Variation in height more than % inch . Pairing-Right and left not of same size and type . Part malformed, seriously affecting serviceability (unless otherwise classified herein) e.g. vamp malformed which may result in discomfort to user. Part
26、 malformed affecting serviceability but not seriously (unless otherwise clnssi- . fied herein) e.g. malformation in sole to a degree resulting in siight loss in traction. Part missing or not as specified seriously affecting serviceability . Part missing or not as specified affecting serviceability b
27、ut not seriouely. . X X X X X fabric). inch, under eng. value misplaced on insulated footwear. eki-shelf slightly off center on insulated footwear. X X X X . X X X . . lx . . X X X . . . . X X X X X X X . 1 a: a 3 4,5,6,19,2Q 1 . . . . 7,8,9, 10, 11 . . 12, 14, 16 13 . . . . . . . . . i“ 1 . Provide
28、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- -I_ MIL-STD-284A 4 77777311 0077573 2 m MlbSTD-284A 20 September 1963 TABLE I. Classification of Defects-(Continued) Defeat Major - Part poorly positioned affecting serviceability . Part poorly positioned aff
29、ecting appearance but not serviceability . Pita up to /16 inch in length and 142 inch in depth, critical arca except outsole. Pits over /is inch in length and inch in depth, critical area except outsole. . Pits in outsole over inch but less than % inch Pits in outsole % inch or over. . Pressed stock
30、, any area Started heel X Started sole. . X Stuck parts, any area Vulcanization poor or incomplete. Wrinkled stock under Wrinkled stock inch or more, critical area. X Wrinkled stock X X X X X inch, critical area . inch or more, uncritical area . rAADLE II. ?assificatimz of Misscellanem Dejects -_ -
31、I _ I 11-1 Defect _I ll_l_ _I_ I_ - Metal parts Not specified number of eyelets or buckles Unequal number of eyelets or buckles between sides. . Eyelets too tightly clinched (cutting surrounding rubber). . Eyelets loosely clinched (may become detached). . Sharp edge or burr. Eyelets or buckle broken
32、 decting serviceability but not seriously, . Loose wrinkles. Fabric not as specified. . Eyelet or buckle broken seriously affecting serviceability, . Tex&e parts MarlIrng (ns applicable) proper location. Omitted, incorrect, illegible, not accomplished in the specified manner, or not in the _I_ I_I _
33、._i_l e When applicable. Figure I Minor . x x x . 16 . x . 17 . 18 . I x X 21 . 22, 23 I Major X X X X X . . X X . Minor X X X Copies of specifications, standards, drawings, and pub- lications required by suppliers in connection with specific procurement functions should be obtained from the pro- cu
34、ring activity or as directed by the contracting officer. Copies of this standard for military use may be ob- tained 88 jndicnted in the foreword to, or t,he general provisions of, the Index of Military Specifications and &andar&. Copies of this Standard may be obtained for other than official use by
35、 individuals, firms, and suppliers from the Superintendent of Document&j, u.8. Government Printing ofice, Washington, D,C. The title and identifying symbol should be stipulated when requesting copies of military standards. Custodians: Army-GL Navy-S&A Air Force-MAA Preparing activity: Army-GL Projec
36、t No. 8430-0034 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-48 September 1968 Provided by IHSNot for ResaleNo reproduction or networking permitt
37、ed without license from IHS-,-,-a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MII bSt D-2 84A as September 1963 PIQWRE 4. C14t pocket, critical areu. (Mujot) 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
38、from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
39、HS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-STD-2848 20 September 1943 FIGURE 9. Lonseness. heel piece, iincriticnl arca. (Major) a5 _-r . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
40、,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-284A 84 779971L 0079604 3 “4A 28 September 1963 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-FIGURE 12. Maned stock, heel, cmtical urea.
41、(Major) 18 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-RGWE 13. Marred stock, heel mkjorcing piece, uncritical area. (Majo?) 19 g_ . y-. /- - _ _ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Pr
42、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided
43、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-FIOUFE 18. Started sole, critical area. (Major) 24 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-FIQURE 19. Tear, foing, unmtical area. (Major) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
