[특허]Apparatus for making expanded metal lead-acid battery grids

Apparatus for making expanded metal lead-acid battery grids 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B21D-031/04
출원번호	US-0572736 (1975-04-29)
발명자 / 주소	Daniels Jr. Elon (Frankton IN) Kline Richard H. (Anderson IN)
출원인 / 주소	General Motors Corporation (Detroit MI 02)
인용정보	피인용 횟수 : 35 인용 특허 : 0

초록 ▼

Method and apparatus for making expanded lead grids for use in Faure-type lead-acid storage battery plates. The finished grid has a current-collecting header of unexpanded strip and a reticulated portion expanded, guillotine style, from the strip into a plurality of paste-retaining cells bounded by skeletal elements and nodes formed during expansion. The skeletal elements and nodes extend in opposite directions through paste from substantially one face of the plate to the other and the nodes are twisted and partially flattened so as to have plateaus on the nodes which lay in planes parallel to the principal planes of the pasted plate. A ribbon or strip of lead is fed into a continuous, in-line, guillotine-type, dual expansion machine and therein expanded along its longitudinal edges to form two reticulated portions and leaving a central unexpanded portion from which a grid, header and lug are subsequently formed. The strip leaving the expander has a V-shape or gull-winged configuration when viewed from its end, the wings of which are subsequently folded down by plow and roller means so as to be in substantially the same plane as the unexpanded portion. The reticulated portions are subsequently uniformly stretched in a direction perpendicular to the central portion by embossed forming rolls and mating counter rolls. Finally, the reticulated portion is rolled to twist and flatten the nodes joining skeletal elements. Water lubrication of the expanding dies promotes oxidation of the reticulated portion which in turn tends to enhance paste retention.

대표청구항 ▼

Apparatus for making continuous strips of expanded lead from narrow lead ribbons having a predetermined thickness, which strips are suitable for pasting and cutting into lead-acid storage battery plates, said apparatus comprising: an elongated stripper plate along which said narrow lead ribbon advances longitudinally; an expansion gauntlet comprising two rows of progressive dies and cutters wherein said rows flank said plate and comprise a plurality of movable dies and fixed-position cutters which converge in incremental steps on the longitudinal center line of said plate; said dies being reciprocally movable to and from said cutters and adapted to coact with the cutters to periodically shear and stretch a plurality of wire-like segments from the longitudinal edges of said ribbon which segments extend at acute angles to the ribbon in the direction of said dies\movement; means for reciprocating said dies; means for periodically advancing said ribbon between said rows so as to yield two reticulated portions comprising a plurality of said segments interconnected in a single tier and a plurality of said tiers wherein successive tiers are offset one from the other such that nodes are formed joining the ends of adjacent segments in one tier to the centers of segments in successive tiers and together defining a plurality of battery paste-retaining cells, said reticulated portions extending at acute angles from the ribbon in gull-wing fashion when viewed head-on; curved plow means at the strip-exit end of said expansion gauntlet for receiving said gull-wing shaped strip and folding the reticulated wing portions thereof down into a position more nearly in the same plane as the starting ribbon; a beveled roller at the strip-exit end of said plow means for engaging and substantially leveling out any residual humps left in the reticulated wing portions left in the strip after the plow; forming and stretching rollers at the strip-exit end of said beveled roller, said rollers comprising coacting male and female rollers in which the male roller has alternate rows of aligned truncated pyramidal projections for engaging the individual cells of the reticulated portions and the female roller has a resilient surface layer including alternate rows of aligned recesses for receiving said projections such that the ridges between said recesses press the expanded lead of the reticulated portions toward the bases of said projections and thereby uniformly size and stretch said portions; and coacting upper and lower flattening rollers spaced apart by a distance greater than said predetermined thickness but substantially less than twice said predetermined thickness to flatten said reticulated portions to a thickness equal to about said distance by twisting and flattening said nodes whereby a continuous strip of expanded lead is produced having two continuously pasteable portions which are cold worked, sized and ready for pasting.

이 특허를 인용한 특허 (35)

Mack, Robert J.; Troxel, Jeffrey L., Battery and battery plate assembly.
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Kao, Wen-Hong; Andersen, Glenn W.; Taylor, Eric M.; Adams, Kenneth A.; Mrotek, Edward N.; Zagrodnik, Jeffrey P., Battery grid.
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Kao, Wen-Hong; Andersen, Glenn W.; Taylor, Eric M.; Adams, Kenneth A.; Mrotek, Edward N.; Zagrodnik, Jeffrey P., Battery grid.
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Kao, Wen-Hong; Andersen, Glenn W.; Taylor, Eric M.; Adams, Kenneth A.; Mrotek, Edward N.; Zagrodnik, Jeffrey P., Battery grid.
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Kao, Wen-Hong; Kao, legal representative, Shu Jen F.; Andersen, Glenn W.; Taylor, M. Eric; Adams, Kenneth A.; Mrotek, Edward N.; Zagrodnik, Jeffrey P., Battery grid.
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Schaeffer, Charles J.; Troxel, Jeffrey L.; Taylor, M. Eric; Kao, Wen-Hong; Hansen, Christian P.; Chen, Yu-Lin; Cantillon, Dan J.; Sauer, Bart, Battery grid.
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Binder, Richard R., Battery grids and methods for manufacturing same.
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Ratte, Robert W.; Peterson, Norman E., Battery part.
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Ratte, Robert W.; Peterson, Norman E., Battery part.
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Ratte, Robert W.; Peterson, Norman E.; Cain, Tracy L., Battery parts and associated systems and methods.
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Ratte, Robert W.; Peterson, Norman E.; Cain, Tracy L., Battery parts and associated systems and methods.
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Cain, Tracy L.; Garin, Michael, Battery parts having retaining and sealing features and associated methods of manufacture and use.
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Cain, Tracy L.; Garin, Michael, Battery parts having retaining and sealing features and associated methods of manufacture and use.
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Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
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Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
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Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
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Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
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Smith Carleton H. (34 North Drive Islington CA) Dunning Kenneth G. (413 Vancouver Crescent Oshawa CA), Battery plate grid.
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Mack, Robert J.; Troxel, Jeffrey L., Battery, battery plate assembly, and method of assembly.
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Ulrich, Dennis S.; Biastock, Richard A., Contact flash dryer and method of contact flash drying.
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Mann, Gamdur Singh, Direct cast lead alloy strip for expanded metal battery plate grids.
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Mulder,Dominicus Fredericus, Expanded metal.
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Bender Ulrich (Siegen DEX), Expanded-metal grid.
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Kogler, Andreas, Filling material, and method of and arrangement for making such a filling material.
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Staffeldt, Armin; Koch, Ingo; Ide, Bernd; Traisigkhachol, Ornwasa, Grid assembly for a plate-shaped battery electrode of an electrochemical accumulator battery.
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Farina, Pietro, Grid forming machine for making plates of electric storage cells.
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Badger ; John P. ; Rinker ; Jack R., Method and apparatus for making flattened expanded lead strip for battery plates.
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Goda Yoshio,JPX ; Ogawa Masahiko,JPX ; Kobayashi Hiroyuki,JPX ; Nakatsuka Saburo,JPX, Method and apparatus for manufacturing expanded mesh sheet and battery using this expanded mesh sheet.
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Schaeffer, Charles J.; Troxel, Jeffrey L.; Taylor, M. Eric; Kao, Wen-Hong; Hansen, Christian P.; Chen, Yu-Lin; Cantillon, Dan J.; Sauer, Bart, Method of making a battery grid.
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Ratte, Robert W., Multiple casting apparatus and method.
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Ratte, Robert W., Multiple casting apparatus and method.
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Troxel, Jeffrey L.; Schaeffer, Charles J.; Andersen, Glenn W.; Lacroix, Michael E.; Kao, Wen-Hong, Negative grid for battery.
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McDowell Jerry T. (Greeneville TN), Orienting and sizing battery grids and articles formed thereby.
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Cain, Tracy L., Systems and methods for manufacturing battery parts.
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Cain, Tracy L., Systems and methods for manufacturing battery parts.
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