US3855967A - Overvarnish unit for continuous-motion decorating apparatus - Google Patents

Overvarnish unit for continuous-motion decorating apparatus Download PDF

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Publication number
US3855967A
US3855967A US00343454A US34345473A US3855967A US 3855967 A US3855967 A US 3855967A US 00343454 A US00343454 A US 00343454A US 34345473 A US34345473 A US 34345473A US 3855967 A US3855967 A US 3855967A
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United States
Prior art keywords
roll
transfer
support
applicator
cylindrical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00343454A
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English (en)
Inventor
J Skrypek
E Whelan
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Sequa Corp
Original Assignee
Sun Chemical Corp
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Filing date
Publication date
Application filed by Sun Chemical Corp filed Critical Sun Chemical Corp
Priority to US00343454A priority Critical patent/US3855967A/en
Priority to GB1145074A priority patent/GB1430498A/en
Priority to AU66722/74A priority patent/AU479869B2/en
Priority to CA195,483A priority patent/CA1000946A/en
Priority to SE7403743A priority patent/SE405326B/sv
Priority to DE2413458A priority patent/DE2413458C3/de
Priority to FR7409391A priority patent/FR2222144B1/fr
Priority to NL7403815.A priority patent/NL158738B/xx
Priority to JP3242874A priority patent/JPS536984B2/ja
Application granted granted Critical
Publication of US3855967A publication Critical patent/US3855967A/en
Assigned to SEQUA CORPORATION reassignment SEQUA CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: SUN CHEMICAL CORPORATION, A CORP. OF DE.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
    • B41F17/14—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length

Definitions

  • an overvarnish unit is constructed as a subassembly which may readily be removed and replaced in the event a malfunction develops. All adjustments at the metering and transfer nips may take place before mounting the subassembly, and the only adjustments required before mounting of the subassembly are those at the applicator nip between the applicator roll and container being decorated. Paralleling at the applicator nip is accomplished by tilting the entire overvarnish unit subassembly relative to the main frame, and the pressure setting is a simple handwheel controlled adjustment that does not materially affect settings at the metering and transfer nips.
  • Paralleling of the metering rolls with respect to the applicator roll is accomplished by adjusting eccentrics mounted on only one end of each metering roll shaft. By making these adjustments in sequence, previously made adjustments are not upset by subsequent adjustments. The making of spacing and pressure adjustments at the metering and transfer nips respectively does not upset previously made adjustments.
  • a primary object of the instant invention is to provide container-decorating apparatus having a removable, replaceable, and interchangeable overvarnish unit subassembly.
  • Another object is to provide an overvarnish unit of this type having simplified setup mechanisms.
  • Still another object is to provide an overvarnish unit subassembly that is tilted in order to parallel the applicator roll axis to the axis of the spindle carrying the cylindrical container being varnished.
  • a further object is to provide an overvarnish unit subassembly in which paralleling of the metering rolls with the applicator roll is accomplished by adjusting single eccentrics on only one end of each of these rolls.
  • F IG. 1 is a front elevation of a continuous-motion can decorator including an overvarnish unit subassembly constructed in accordance with teachings of the instant invention.
  • FIG. 2 is a simplified front elevation of the overvarnish unit.
  • FIG. 3 is a plan view of the varnish rollers looking in the direction of arrows 3-3 of FIG. 2.
  • FIG. 4 is an end view of the overvarnish unit looking in the direction of arrows 4-4 of FIG. 2.
  • FIG. 5 is a more detailed front elevation of the overvarnish unit.
  • FIG. 6 is a front elevation showing the outlines of the principal frame elements of the overvarnish unit.
  • FIG. 7 is a fragmentary cross-section taken through line 7-7 of FIG. 5 looking in the direction of arrows
  • FIG. 8 is a cross-section taken through line 8-8 of FIG. 5 looking in the'direction of arrows 8-8.
  • FIG. 9 is a fragmentary plan view, partly sectioned, of the overvarnish unit.
  • FIG. 10 is a plan view of the sub-base for the overvarnish unit showing the handwheel adjusting stations mounted thereto.
  • FIG. 11 is a fragmentary cross-section taken through line 11-11 of FIG. 10, looking in the direction of arrows 11-11 and showing one of the clamping means for the overvarnish unit.
  • FIG. 12 is a front elevation of a clamp member looking in the direction of arrows 12-12 of FIG. 11.
  • FIG. 13 is a fragmentary cross-section taken through line 13-13 of FIG. 10 looking in the direction of arrows 13-13 and illustrating the construction of one of the adjusting screws for tilting the overvarnish unit.
  • the cylindrical container-decorating apparatus of FIG. 1 is of a type described in our copending US. Pat. application Ser. No. 198,618, filed Nov. 15, 1971, now US. Pat. No. 3,766,851 for a Continuous Can Printer.
  • the apparatus of FIG. 1 includes in-feed conveyor 15 which receives undecorated cans 16 from a supply (not shown) and places them on cradles 17 located at the periphery of cradle wheel 18 that is continuously rotated by'being keyed to horizontal shaft 19.
  • Horizontal spindles or mandrels 20 are also mounted to wheel 18, with each spindle 20 being in angular alignment with an individual cradle 17, but being axially displaced therefrom.
  • Undecorated cans 16 are transferred from cradle 17 to spindles 20, and while mounted to spindles 20 cans 16 are decorated by being brought into engagement with continuously rotating image-transfer mat or blanket 21 of the multicolor printing press indicated generally by reference numeral 22. Thereafter, and while still mounted to spindles 20, decorated cans 16 have a protective film of varnish applied thereto by engagement with the periphery of applicator roll 33 in the overvarnish unit indicated generally by reference numeral 25.
  • Cans 16, with decorations and protective coatings thereon, are transferred from spindles 20 to suction cups (not shown) mounted to transfer wheel 27 near the periphery thereof. The latter is continuously rotated about shaft 28 as a center. Cans 16, carried by transfer wheel 27, are then deposited on generally horizontal pins 29 carried by chain-type output conveyor 30 which carries cans 16 through a curing oven (not shown).
  • overvarnish subassembly 25 is adjustably and removably mounted to main frame plate 23 being supported by upper surface 24 thereof.
  • Subassembly 25 includes steel control and transfer metering rolls 31, 32 respectively, mounted adjacent each other, so as to form metering nip 34 therebetween fed with varnish from a drum (not shown).
  • Transfer roll 32 is positioned adjacent applicator roll 33 to form transfer nip 35 therebetween.
  • the gap or pressure at metering nip 34 is set by turning handwheel 44 keyed to shaft 45, so that the desired thickness of varnish film is formed on the periphery of transfer roll 32.
  • this film of varnish is transferred from roll 32 to applicator roll 33 and is in turn transferred at applicator nip 38 to the outside of decorated can 16.
  • Sleeve 64 (FIG. 7) on applicator roll 33 is constructed of rubber or of a resilient synthetic material, such as polyurethane.
  • the gap or pressure setting at applicator nip 38 is adjusted by turning handwheel 39 keyed to shaft 41 through a mechanism, to be hereinafter described, which moves cylindrical axis 42 of roll 33 in the direction indicated by the double-headed arrow 43.
  • the pressure or gap setting at transfer hip 35 is adjusted by turning handwheel 36 keyed to shaft 37 to pivot carrier 46 (FIG. 6) about stationary shaft 47 as a center.
  • Carrier 46 supports axes 48, 49 for metering rolls 31, 32, respectively, so that pivoting of carrier 46 causes transfer roll 32 to move along a path indicated generally by double-headed arrow 51 (FIG. 2).
  • subassembly 25 includes subplate 52 having four spherical buttons 53 positioned in a row generally parallel to rear edge 54 of subplate 52. The spherical heads of buttons 53 project below the bottom surface of subplate 52 and rest on upper surface 24 of frame plate 23.
  • Two horizontal pins 55 project from main frame upright portion 56 and are received by apertures in rear edge 54 of subplate 52 to establish the side-to-side position of the latter.
  • Threee adjusting screws 57 positioned in a row parallel to front edge 58 of subplate 52, extend vertical through subplate 52 and rest against frame surface 24. Thus, by rotating screws 57 the front of subplate 52 is raised and lowered and the entire subassembly 25 is tilted about thelocating line for support buttons 53.
  • Locking bolts 59 extending rearward from front edge 58, clamp brass pills 99 against adjusting screws 57 to maintain the latter in their adjusted positions.
  • Two locking bolts 61 near front edge 58 extend through clearance apertures in subplate 52 and are replate 52 is further locked in adjusted position by invertedL-shaped clamps 62 (FIGS. 11 and 12) located near rear edge 54.
  • An individual locking bolt 63 extends through a clearance aperture in each clamp 62 and is received by threaded aperture 64 in frame plate 23.
  • the gap or pressure setting at applicator nip 38 is ac? complished by rotating handwheel 39 to turn shaft 41.
  • the latter mounts worm 77 that is in driving engagerotation of support member 81 and guide movement thereof as lead screw 79 is rotated.
  • rotation of handwheel4l is effective to move applicator roll axis 42 toward and away from cam 16 being varnished.
  • the total range of adjustment by operating handwheel 39 is approximately 3/16 inch. I-Iowever,'the total range of adjusting movement required for applicator roll 33 between each surface regrinding thereof is very small, being in the order of l/ 16 inch. This very limited movement at applicator nip 38 does not have any practical effect at nip 35, because the center-to-cen'ter distance between shafts 42 and 49 is so much greater than the adjustment, being in the order of 12 inches.
  • airoperated rotary device 84 is actuated automatically to pivot eccentric shaft 85 (FIGS. 5 and 8), coupled to support 81 through pivotally connected links 86, 87, to drop applicator roll 33 away from contact with the empty spindle 20.
  • the end of link 87 remote from link 86 is mounted to fixed pivot 151.
  • Link 87 is bifurcated and mounts therebetween holder 152 (FIG. 9) for bearing 150.
  • Bearing holder 152 is mounted on jack shaft 79, being fixed against axial movement with 'respect thereto.
  • each timethrow-off device 84 is actuated to drop bearing holder 152 thereby moving jack shaft 79 down: ward, the latter pulls casting 81 with shaft 42 thereon downward and the periphery of applicator roll 33 moves away from coating relationship with respect to spindle 20.
  • handwheel 44 rotates shaft 45 carrying worm gear 88 in engagement with worm wheel 89 keyed to the shaft of lead screw 91 (FIG. 8).
  • the latter is threadably mounted to block 92 on radial extension 93 at the rear of eccentric sleeve 76.
  • rotation of lead screw 91 is effective to pivot sleeve 76, thereby moving shaft 48 forcontrol roll 31 parallel .to shaft 49 to set the metering gap at nip 34.
  • Gear section 103 is in mesh with idler 107 that is in driving engagement with gear 108 that is keyed to applicator roll shaft 42.
  • Idler 107 is mounted on stub shaft 161 that interconnects links 162, 163.
  • the ends of links 162, 163 remote from shaft 161 are freely mounted on the respective shafts 42 and 47.
  • Apparatus for operating on cylindrical containers said apparatus including a main frame, a coating station on said frame, and conveyor means on said frame including spindles for carrying cylindrical containers along a feed path extending through said coating station whereby containers moved along said feed path receive a filmlike coating at an applicator nip in said coatingstation, said coating station having a coating mechanism including adjacent control and transfer metering elements forming a metering nip therebetween to receive a coating substance and produce a controlled thickness film of this substance on said transfer element, a transfer roll constituting said transfer element, an applicator roll for applying a coating of this substance to decorated containers, said applicator roll positioned adjacent said transfer roll and forming a transfer nip therebetween whereat the applicator roll receives the film from the transfer roll, first support means to which the control element is mounted, second support means to which the transfer roll and said first support means are mounted, and third support means to which the applicator roll is mounted, said third support means being adjustably mounted with respect to a control roll constituting
  • Apparatus as set forth in claim 1 also including additional means for moving the transfer roll toadjust its cylindrical axis parallel to the cylindrical axis of the applicator roll, said second support being constructed so that with said cylindrical axes of said rolls parallel adjustment of said second support will bodily move the said main frame to adjust said applicator nip without transfer roll relative to the applicator roll without disturbing parallelism between said cylindrical axes of said rolls.
  • Apparatus as set forth in claim 4 in which there is a control roll constituting the control element, further means for moving the control roll to adjust its cylindrical axis parallel to the cylindrical axis of the transfer roll, said first support being constructed so that with the cylindrical axes of the control and transfer rolls parallel the axes of these rolls will remain parallel during adjustment of said first support and the control roll will .6.
  • Apparatus as set forth in claim 5 in which there is A a drive gear on said main frame through which driving power is delivered to the rolls of said coating station said second support being mounted on a support axis coaxial with the axis for said drive gear.
  • Apparatus as set forth in claim 3 in which there is a control roll constituting the control element, further means for moving the control roll to adjust its cylindrical axis parallel to the cylindrical axis of the transfer roll, said first support being constructed so that with the cylindrical axes of the control and transfer rolls parallel the axes of these rolls will remain parallel during adjustment of said first support and the control roll will move bodily relative to the transfer roll.

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  • Coating Apparatus (AREA)
  • Printing Methods (AREA)
US00343454A 1973-03-21 1973-03-21 Overvarnish unit for continuous-motion decorating apparatus Expired - Lifetime US3855967A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
US00343454A US3855967A (en) 1973-03-21 1973-03-21 Overvarnish unit for continuous-motion decorating apparatus
GB1145074A GB1430498A (en) 1973-03-21 1974-03-14 Overvarnish unit for continuous motion decorating apparatus
AU66722/74A AU479869B2 (en) 1973-03-21 1974-03-15 Overvarnish unit for continuous motion decorating apparatus
SE7403743A SE405326B (sv) 1973-03-21 1974-03-20 Apparat for behandling av cylindriska behallare
CA195,483A CA1000946A (en) 1973-03-21 1974-03-20 Overvarnish unit for continuous motion decorating apparatus
DE2413458A DE2413458C3 (de) 1973-03-21 1974-03-20 Vorrichtung zum Bedrucken von Büchern
FR7409391A FR2222144B1 (sv) 1973-03-21 1974-03-20
NL7403815.A NL158738B (nl) 1973-03-21 1974-03-21 Inrichting voor het bedrukken en van een vernislaag voorzien van cilindrische houders, zoals blikken.
JP3242874A JPS536984B2 (sv) 1973-03-21 1974-03-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00343454A US3855967A (en) 1973-03-21 1973-03-21 Overvarnish unit for continuous-motion decorating apparatus

Publications (1)

Publication Number Publication Date
US3855967A true US3855967A (en) 1974-12-24

Family

ID=23346191

Family Applications (1)

Application Number Title Priority Date Filing Date
US00343454A Expired - Lifetime US3855967A (en) 1973-03-21 1973-03-21 Overvarnish unit for continuous-motion decorating apparatus

Country Status (8)

Country Link
US (1) US3855967A (sv)
JP (1) JPS536984B2 (sv)
CA (1) CA1000946A (sv)
DE (1) DE2413458C3 (sv)
FR (1) FR2222144B1 (sv)
GB (1) GB1430498A (sv)
NL (1) NL158738B (sv)
SE (1) SE405326B (sv)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138965A (en) * 1977-11-14 1979-02-13 American Can Company Apparatus for delivering metered amounts of varnish to the surface of a can, or the like
US4271216A (en) * 1979-04-05 1981-06-02 Daiwa Can Company, Limited Method for coating a cylindrical can body
US4313982A (en) * 1979-01-30 1982-02-02 Toyo Seikan Kaisha, Ltd. Adjusting method and apparatus for a cylindrical article peripheral surface coating machine
US4491613A (en) * 1983-08-22 1985-01-01 Adolph Coors Company Base coat applicator
US4921093A (en) * 1988-05-09 1990-05-01 Sequa Corporation Infeed means for high speed continuous motion can decorator
WO2022271446A1 (en) * 2021-06-24 2022-12-29 Stolle Machinery Company, Llc Printing plate pressure adjustment system and can decorator employing same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637026Y2 (sv) * 1975-12-11 1981-08-31
DE3324096C2 (de) * 1983-07-05 1986-10-30 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Motorangetriebenes Lackierwerk an Druckmaschinen
DE4206938A1 (de) * 1992-03-05 1993-09-09 Herberts Gmbh Vorrichtung zum rundumlackieren von zylindrichen hohlkoerpern
EG22306A (en) 1999-11-15 2002-12-31 Shell Int Research Expanding a tubular element in a wellbore

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2116467A (en) * 1935-08-22 1938-05-03 Solar Lab Machine for stenciling ware
US2293691A (en) * 1939-10-25 1942-08-18 Distr Of Columbia Paper Mills Apparatus for coating web material
US2749878A (en) * 1953-08-17 1956-06-12 Kimberly Clark Co Paper coating apparatus
US2775953A (en) * 1952-06-13 1957-01-01 Joe B Mcfall Improved mounting means for glue spreading rollers
US3616778A (en) * 1969-06-12 1971-11-02 Sun Chemical Corp Overvarnish assembly for continuous can printing machines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE218775C (sv) *
DE1124403B (de) * 1953-11-14 1962-02-22 Winkler Maschf Vorrichtung zum automatischen Lackieren und Bedrucken von Hohlkoerpern
US3246628A (en) * 1962-11-13 1966-04-19 King Sales & Engineering Co Gluer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2116467A (en) * 1935-08-22 1938-05-03 Solar Lab Machine for stenciling ware
US2293691A (en) * 1939-10-25 1942-08-18 Distr Of Columbia Paper Mills Apparatus for coating web material
US2775953A (en) * 1952-06-13 1957-01-01 Joe B Mcfall Improved mounting means for glue spreading rollers
US2749878A (en) * 1953-08-17 1956-06-12 Kimberly Clark Co Paper coating apparatus
US3616778A (en) * 1969-06-12 1971-11-02 Sun Chemical Corp Overvarnish assembly for continuous can printing machines

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138965A (en) * 1977-11-14 1979-02-13 American Can Company Apparatus for delivering metered amounts of varnish to the surface of a can, or the like
US4313982A (en) * 1979-01-30 1982-02-02 Toyo Seikan Kaisha, Ltd. Adjusting method and apparatus for a cylindrical article peripheral surface coating machine
US4271216A (en) * 1979-04-05 1981-06-02 Daiwa Can Company, Limited Method for coating a cylindrical can body
US4491613A (en) * 1983-08-22 1985-01-01 Adolph Coors Company Base coat applicator
EP0134158A2 (en) * 1983-08-22 1985-03-13 Coors Brewing Company Base coat applicator
WO1985000995A1 (en) * 1983-08-22 1985-03-14 Adolph Coors Company Base coat applicator
EP0134158A3 (en) * 1983-08-22 1986-10-15 Adolph Coors Company Base coat applicator
US4921093A (en) * 1988-05-09 1990-05-01 Sequa Corporation Infeed means for high speed continuous motion can decorator
WO2022271446A1 (en) * 2021-06-24 2022-12-29 Stolle Machinery Company, Llc Printing plate pressure adjustment system and can decorator employing same
US11685149B2 (en) 2021-06-24 2023-06-27 Stolle Machinery Company, Llc Printing plate pressure adjustment system and can decorator employing same

Also Published As

Publication number Publication date
DE2413458C3 (de) 1981-05-27
NL158738B (nl) 1978-12-15
CA1000946A (en) 1976-12-07
AU6672274A (en) 1975-09-18
FR2222144A1 (sv) 1974-10-18
JPS536984B2 (sv) 1978-03-13
GB1430498A (en) 1976-03-31
NL7403815A (sv) 1974-09-24
FR2222144B1 (sv) 1978-03-24
JPS5026845A (sv) 1975-03-19
DE2413458A1 (de) 1974-10-10
DE2413458B2 (de) 1980-07-17
SE405326B (sv) 1978-12-04

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Owner name: SEQUA CORPORATION

Free format text: CHANGE OF NAME;ASSIGNOR:SUN CHEMICAL CORPORATION, A CORP. OF DE.;REEL/FRAME:004770/0239

Effective date: 19870507