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Publication numberUS2546621 A
Publication typeGrant
Publication dateMar 27, 1951
Filing dateJan 6, 1948
Priority dateJan 6, 1948
Publication numberUS 2546621 A, US 2546621A, US-A-2546621, US2546621 A, US2546621A
InventorsClarence E Chapman, Paul E Wixon
Original AssigneeJoseph Shapiro
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Paper cup making machine
US 2546621 A
Abstract  available in
Images(28)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

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Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US1327520 *Apr 14, 1917Jan 6, 1920Henry Browning WalterStrip-feeding mechanism
US1876931 *Mar 28, 1928Sep 13, 1932Us Envelope CoMachine for making paper cups
US1911313 *Mar 10, 1931May 30, 1933Granowski Oscar AdolfApparatus for the automatic production of containers from paper and like material
US1962213 *Mar 9, 1933Jun 12, 1934Reinforced Paper Bottle CorporationDevice fob inserting waxed paper
US1962983 *May 24, 1933Jun 12, 1934American Paper Goods CompanyCup making machine
US1965071 *Jun 27, 1930Jul 3, 1934Harry E MoysesStamping and like press
US1987362 *Mar 6, 1933Jan 8, 1935American Paper Goods CompanyCup making machine
US2001520 *Dec 1, 1932May 14, 1935Lucy F PrattPrinting machine
US2049418 *May 25, 1932Aug 4, 1936Vortex Cup CompanyCup machine
US2068727 *Nov 21, 1932Jan 26, 1937Zahodiakin Victor FLubrication system
US2120901 *Aug 22, 1935Jun 14, 1938Humoco CorpContainer
US2125848 *Sep 13, 1935Aug 2, 1938Lily Tulip Cup CorpCup making machine
US2151169 *Mar 6, 1937Mar 21, 1939David C ShepardMachine for forming flanged end walls for containers
US2188916 *Jun 9, 1938Feb 6, 1940American Can CoMethod of making container parts
US2252854 *Oct 4, 1938Aug 19, 1941Hafta Handelsgesellschaft FurTubular container
US2278299 *Feb 26, 1940Mar 31, 1942Dixie Vortex CoMethod of and apparatus for curling edges on containers
US2355556 *Oct 30, 1942Aug 8, 1944Dayton Rogers Mfg CoCushion blanking die
US2361942 *Dec 28, 1939Nov 7, 1944American Can CoMachine for making fiber container parts
US2415925 *Apr 20, 1945Feb 18, 1947Julian T LettExpanding forming punch
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2703042 *Jan 26, 1954Mar 1, 1955Constellation Cup CorpApparatus for grooving paper cups and the like
US2783694 *Jun 16, 1953Mar 5, 1957Gilbert F HillBottom cutting and inserting mechanism, including a mouth shaping operation for paper container making machines
US2942530 *Dec 24, 1958Jun 28, 1960Paper Machinery CorpBlank wrapping mechanism for frustoconical cup making machines
US3063347 *Mar 31, 1960Nov 13, 1962Hudson Pulp & Paper CorpCup making machine
US3289552 *Mar 5, 1963Dec 6, 1966Sherwood Tool IncPaper cup making machine
US3990353 *Apr 21, 1975Nov 9, 1976Phillips Petroleum CompanyApparatus for producing a container
US7699216Nov 4, 2004Apr 20, 2010Solo Cup Operating CorporationTwo-piece insulated cup
US20050115975 *Nov 4, 2004Jun 2, 2005Smith Stephen A.Two-piece insulated cup
US20100264201 *Apr 19, 2010Oct 21, 2010Stephen Alan SmithTwo-piece insulated cup
Classifications
U.S. Classification493/106, 493/109, 493/472
International ClassificationB31B17/00
Cooperative ClassificationB31B1/28, B31B2217/082, B31B2201/2604, B31D1/005, B31B17/00
European ClassificationB31D1/00H1, B31B1/28, B31B17/00