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Continuous method for producing final gauge stainless steel product    
United States Patent5606787   
Link to this pagehttp://www.wikipatents.com/5606787.html
Inventor(s)McGuire; Michael F. (Pittsburgh, PA)
AbstractA continuous process line for converting hot rolled stainless steel strip to final gauge product is provided. The stainless steel strip has a scale formed on the surface thereof. The steel strip is introduced to a rolling mill to reduce the thickness of the hot rolled stainless steel to a final gauge thickness and tolerance. The rolling mill also cracks the scale on the surface of the final gauge thickness strip. An annealing section anneals the final gauge thickness strip received from the rolling mill. A pickling section pickles the annealed strip from the annealing section and removes the scale from the surface. Preferably, a molten salt bath section provided between the annealing section and the pickling section conditions the scale cracked in the cold rolling section and passes the conditioned stainless steel to the pickling section.
   














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Drawing from US Patent 5606787
Continuous method for producing final gauge stainless steel product - US Patent 5606787 Drawing
Continuous method for producing final gauge stainless steel product
Inventor     McGuire; Michael F. (Pittsburgh, PA)
Owner/Assignee     J & L Specialty Steel, Inc. (Pittsburgh, PA)
Patent assignment
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Publication Date     March 4, 1997
Application Number     08/527,881
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     September 14, 1995
US Classification     29/81.03 29/33C 29/33Q 29/33S 29/527.4 134/15 148/610
Int'l Classification     B22D 011/128 B21C 043/04 B23P 025/00
Examiner     Vo; Peter
Assistant Examiner    
Attorney/Law Firm     Dever; Michael L. Buchanan Ingersoll, P.C.,
Address
Parent Case     This application is a continuation of application Ser. No. 08/180,094, filed Jan. 11, 1994, now abandoned.
Priority Data    
USPTO Field of Search     29/33 C 29/33 Q 29/33 S 29/81.03 29/81.04 29/527.4 29/5 29/6 29/7 29/8 29/9 29/10 29/11 29/12 29/13 29/14 29/15 29/16 29/17 29/18 29/19 29/20 29/21 29/22 29/23 29/24 29/25 29/26 29/27 29/28 29/29 29/30 29/31 29/32 29/33 29/34 29/35 29/36 29/37 29/38 29/39 29/40 29/41 29/42 29/43 29/44 29/45 29/46 29/47 29/48 29/49 29/50 29/51 29/52 29/53 29/54 29/55 29/56 29/57 29/58 29/59 29/60 29/61 29/62 29/63 29/64 29/65 29/66 29/67 29/68 29/69 29/70 29/71 29/72 29/73 29/74 29/75 29/76 29/77 29/78 29/79 29/80 29/81 29/82 29/83 29/84 29/85 29/86 29/87 29/88 29/89 29/90 29/91 29/92 29/93 29/94 29/95 29/96 29/97 29/98 29/99 29/100 29/101 29/102 29/103 29/104 29/105 29/106 29/107 29/108 29/109 29/110 29/111 29/112 29/113 29/114 29/115 29/116 29/117 29/118 29/119 29/120 29/121 29/122 29/123 29/124 29/125 29/126 29/127 29/128 29/129 29/130 29/131 29/132 29/133 29/134 29/135 29/136 29/137 29/138 29/139 29/140 29/141 29/142 29/143 29/144 29/145 29/146 29/147 29/148 29/149 29/150 29/151 29/152 29/153 29/154 29/155 29/156 29/157 29/158 29/159 29/160 29/161 29/162 29/163 29/164 29/165 29/166 29/167 29/168 29/169 29/170 29/171 29/172 29/173 29/174 29/175 29/176 29/177 29/178 29/179 29/180 29/181 29/182 29/183 29/184 29/185 29/186 29/187 29/188 29/189 29/190 29/191 29/192 29/193 29/194 29/195 29/196 29/197 29/198 29/199 29/200 29/201 29/202 29/203 29/204 29/205 29/206 29/207 29/208 29/209 29/210 29/211 29/212 29/213 29/214 29/215 29/216 29/217 29/218 29/219 29/220 29/221 29/222 29/223 29/224 29/225 29/226 29/227 29/228 29/229 29/230 29/231 29/232 29/233 29/234 29/235 29/236 29/237 29/238 29/239 29/240 29/241 29/242 29/243 29/244 29/245 29/246 29/247 29/248 29/249 29/250 29/251 29/252 29/253 29/254 29/255 29/256 29/257 29/258 29/259 29/260 29/261 29/262 29/263 29/264 29/265 29/266 29/267 29/268 29/269 29/270 29/271 29/272 29/273 29/274 29/275 29/276 29/277 29/278 29/279 29/280 29/281 29/282 29/283 29/284 29/285 29/286 29/287 29/288 29/289 29/290 29/291 29/292 29/293 29/294 29/295 29/296 29/297 29/298 29/299 29/300 29/301 29/302 29/303 29/304 29/305 29/306 29/307 29/308 29/309 29/310 29/311 29/312 29/313 29/314 29/315 29/316 29/317 29/318 29/319 29/320 29/321 29/322 29/323 29/324 29/325 29/326 29/327 29/328 29/329 29/330 29/331 29/332 29/333 29/334 29/335 29/336 29/337 29/338 29/339 29/340 29/341 29/342 29/343 29/344 29/345 29/346 29/347 29/348 29/349 29/350 29/351 29/352 29/353 29/354 29/355 29/356 29/357 29/358 29/359 29/360 29/361 29/362 29/363 29/364 29/365 29/366 29/367 29/368 29/369 29/370 29/371 29/372 29/373 29/374 29/375 29/376 29/377 29/378 29/379 29/380 29/381 29/382 29/383 29/384 29/385 29/386 29/387 29/388 29/389 29/390 29/391 29/392 29/393 29/394 29/395 29/396 29/397 29/398 29/399 29/400 29/401 29/402 29/403 29/404 29/405 29/406 29/407 29/408 29/409 29/410 29/411 29/412 29/413 29/414 29/415 29/416 29/417 29/418 29/419 29/420 29/421 29/422 29/423 29/424 29/425 29/426 29/427 29/428 29/429 29/430 29/431 29/432 29/433 29/434 29/435 29/436 29/437 29/438 29/439 29/440 29/441 29/442 29/443 29/444 29/445 29/446 29/447 29/448 29/449 29/450 29/451 29/452 29/453 29/454 29/455 29/456 29/457 29/458 29/459 29/460 29/461 29/462 29/463 29/464 29/465 29/466 29/467 29/468 29/469 29/470 29/471 29/472 29/473 29/474 29/475 29/476 29/477 29/478 29/479 29/480 29/481 29/482 29/483 29/484 29/485 29/486 29/487 29/488 29/489 29/490 29/491 29/492 29/493 29/494 29/495 29/496 29/497 29/498 29/499 29/500 29/501 29/502 29/503 29/504 29/505 29/506 29/507 29/508 29/509 29/510 29/511 29/512 29/513 29/514 29/515 29/516 29/517 29/518 29/519 29/520 29/521 29/522 29/523 29/524 29/525 29/526 29/527.7 72/40 72/200 72/201 72/202 72/366.2 134/2 134/15 164/417 164/476 164/477 148/318 148/610 204/145 R
Patent Tags     continuous final gauge stainless steel
   
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