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Интернет энциклопедия и магазин форменной одежды.
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&#1043;&#1054;&#1057;&#1058; 12.4.072-79 <a href="https://ift.tt/2VnaAEZ">https://ift.tt/2VnaAEZ</a> &#1043;&#1054;&#1057;&#1058; 12.4.072-79 &#1043;&#1088;&#1091;&#1087;&#1087;&#1072; &#1058;58 &#1052;&#1045;&#1046;&#1043;&#1054;&#1057;&#1059;&#1044;&#1040;&#1056;&#1057;&#1058;&#1042;&#1045;&#1053;&#1053;&#1067;&#1049; &#1057;&#1058;&#1040;&#1053;&#1044;&#1040;&#1056;&#1058; &#1057;&#1080;&#1089;&#1090;&#1077;&#1084;&#1072; &#1089;&#1090;&#1072;&#1085;&#1076;&#1072;&#1088;&#1090;&#1086;&#1074; &#1073;&#1077;&#1079;&#1086;&#1087;&#1072;&#1089;&#1085;&#1086;&#1089;&#1090;&#1080; &#1090;&#1088;&#1091;&#1076;&#1072; &#1057;&#1040;&#1055;&#1054;&#1043;&#1048; &#1057;&#1055;&#1045;&#1062;&#1048;&#1040;&#1051;&#1068;&#1053;&#1067;&#1045; &#1056;&#1045;&#1047;&#1048;&#1053;&#1054;&#1042;&#1067;&#1045; &#1060;&#1054;&#1056;&#1052;&#1054;&#1042;&#1067;&#1045;, &#1047;&#1040;&#1065;&#1048;&#1065;&#1040;&#1070;&#1065;&#1048;&#1045; &#1054;&#1058; &#1042;&#1054;&#1044;&#1067;, &#1053;&#1045;&#1060;&#1058;&#1071;&#1053;&#1067;&#1061; &#1052;&#1040;&#1057;&#1045;&#1051; &#1048; &#1052;&#1045;&#1061;&#1040;&#1053;&#1048;&#1063;&#1045;&#1057;&#1050;&#1048;&#1061; &#1042;&#1054;&#1047;&#1044;&#1045;&#1049;&#1057;&#1058;&#1042;&#1048;&#1049;…English: GOST 12.4.072-79
<a href="https://analogindex.dreamwidth.org/180378.html">https://analogindex.dreamwidth.org/180378.html</a>GOST 12.4.072-79Group T58INTERSTATE STANDARDSystem of occupational safety standardsSPECIAL MOLDED RUBBER BOOTS THAT PROTECT FROM WATER,
PETROLEUM OILS AND MECHANICAL EFFECTSTechnical conditionsOccupational safety standards system. Moulded resistant to water,
petroleum oils and mechanical action rubber boots for special purposes.
SpecificationsOKP 25 9532Date of introduction 1980-0701INFORMATION DATA1. DEVELOPED AND SUBMITTED by the Ministry of oil refining and petrochemical industry of the USSR2. APPROVED AND put into EFFECT by the Resolution of the state Committee of the USSR on standards of 19.07.79 N 26573. INSTEAD OF GOST 11514-734. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTSDesignation of the NTD that is referencedItem numberGOST 9.030-742.5, 4.8GOST 12.4.103-832.12GOST 12.4.162-854.9GOST 164-904.2, 4.4GOST 166-894.10GOST 269-664.6GOST 270-752.5, 4.6GOST 426-772.5, 4.7GOST 427-754.2, 4.4, 4.10, 4.12GOST 482-772.13GOST 3749-774.12GOST 5789-784.8GOST 7502-984.2, 4.3GOST 1135-2005 8-894.4GOST 12433-834.8OST 38.06371-842.14, 3.2, sec.5OST 38.06442-873.2, 4.1OST 17-313-832.3OST 17-202-772.3OST 17-883-812.3TU 17 RSFSR 35-75-782.3TU 17 OF THE RSFSR 46-15567-882.3TU 17 RSFSR 52-10071-812.3TU 17 14-48-772.3TU 17 ESR 394-812.3TU 17 Latv. SSR 0277-862.3TU 18 RSFSR 45-9803-802.3TU 63.178-56-842.35. the term limit was Removed by the Resolution of the state standard of the USSR of 06.12.91 N 18766. PUBLICATION (July 2001) with Changes N 1,2,3, approved in January 1985, March 1989, December 1991 (IUS 4-85, 7-89, 3-92)This standard applies to molded rubber boots designed to protect the feet from mine water, oil, mechanical impacts (energy 15 j and 25 j), slip and dust.The requirements of this standard, with the exception of clause 2. 10, are mandatory, and the requirements of clause 2. 10 are recommended.(Changed edition, Rev. N 2, 3).1. BASIC PARAMETERS AND DIMENSIONS1.1. Depending on the destination the boots produced of the following types:mining,mining & shock with toemining, oil resistant,mining complex & shock properties (shock resistant toe and ribbed amplifiers),mining, protects against mechanical impacts, slip and dustsinking with shock resistant rubber toe and an extension.1.2. Boots are manufactured in the following sizes: 247, 255, 262, 270, 277, 285, 292, 300, 307.Notes:1. Boots of a size higher than 307 are made at the request of the consumer.2. The average size of boots -277.3. Internal dimensions of the boot are determined by the parameters of the block and not be checked.1.1, 1.2. (Amended version, Ed. N 2).1.3. the size of the boots, the length of the shock-proof toe must…
925 255 174 203 312 368 360 741 370 345 — 905 1310 1050 950 262 177 206 312 375 370 758 370 360 50 930 1345 1075 975 270 180 209 315 383 380 775 390 360 — 955 1380 1100 1000 277 183 212 315 390 420 792 390…English: 925255174203312368360741370345—905131010509502621772063123753707583703605093013451075975270180209315383380775390360—955138011001000277183212315390420792390375—97014101115101528518621531539843080940037555985144011301030292189218317405430826400390—1000147011451045300192221317413430843400390—1015150011601060307195224317420430860———10301530——(Amended version, Ed. N 1, 2).1.4.the thickness of boots in the measurement zones indicated in Fig. 1, 2, 2A and 2B must correspond to the One indicated in table.2.Table 2Measurement areaThickness of boots, mm, not lessmining companiesprotects against mechanical impacts, sliding and dustwith a complex of shock-proof propertiesSock part 14.55.55.5Advanced part 22.02.02.0Back part 33.53.53.5Lower part of the boot 41.51.51.5Top of the boot 51.32.01.3Heel together with sole and reef 6222222Sole in the sole part with a reef 78.08.58.5Front boot and ankle joint enhancers (together with maximum rib height) 8—9.09.0(Amended version, Ed. N 2).1.5. The thickness of the rubber extension should be at least 1.5 mm.1.6. (Deleted, Ed. N 2).1.7. the Size range of boots is agreed with the consumer.(Amended version, Ed. N 1).2. TECHNICAL REQUIREMENTS2.1. Boots must be manufactured in accordance with the requirements of this standard, according to the technology and samples approved in accordance with the established procedure.2.2. Mining boots must consist of a rubber upper with reinforced toe, internal textile lining and ridged rubber sole with a heel; boots & shock sock should have an internal hard toe cap and tunnel boots, in addition, preferovany to the shaft of the circumcised miner’s boots, rubber-fabric extension; boots & shock complex properties should have shock protective toe cap and ribbed amp; boots that protect against mechanical impacts, slip and dust, in addition, the anti-slip grooving in waste and textile cuff with fastening tape.At the request of the consumer, boots can be completed with insole inserts.2.3. For the manufacture of boots used the following textile materials:knitted cotton tube of elastic binding according to OST 17-313-for lining;cotton-polyester smooth-painted Shoe fabric according to TU 17 of the RSFSR 52-10071 — for the extension of tunneling boots; natural felt according to OST 17-202, TU 17 of the RSFSR 35-75 and needle-punched fabrics according to TU 17 Latv. SSR 0277, TU 17-14-48, TU 17 ESR 394, TU 63.178-56-for the insole;two-layer kirza according to TU 18 RSFSR 45-9803 or cotton fabric with complex threads of Dacron according to TU 17 RSFSR 46-15567-for the cuff;webbing edging knitted according to OST 17 883 — for edging and fixing the cuff.2.4. it is allowed to use other materials with a quality not lower than the specified ones and ensuring the quality of the finished product.2.2-2.4. (Amended version, Ed. N 2).2.5. according to the physical and mechanical characteristics of the rubber used for the manufacture of boots, must meet the standards specified in table.3.Table 3Name
indicatorNorm for bootsmining and tunneling companiesoil-resistantTest method
Taniatopsoleadd-ontopsole1. Conditional strength, MPa (kgf / cm), not less12.0 (120)10.0 (100)8,0 (80)8,0 (80)8.5 (85)Churchyard 2702. elongation,%, not less350300300300260Churchyard 2703. relative residual deformation after rupture,%, no more2525253030Churchyard 2704. Abrasion, m /TJ (cm /kWh), no more—147 (530)——180 (650)Churchyard 4265-7. (Excluded, Ed. N 3)from Full deltafeed https://ift.tt/385n3Sz

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