US3840999A - Apparatus for radiation-curing of coating on multi-sided object - Google Patents

Apparatus for radiation-curing of coating on multi-sided object Download PDF

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Publication number
US3840999A
US3840999A US00360656A US36065673A US3840999A US 3840999 A US3840999 A US 3840999A US 00360656 A US00360656 A US 00360656A US 36065673 A US36065673 A US 36065673A US 3840999 A US3840999 A US 3840999A
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Prior art keywords
path
mandrel
oven
curing
coating
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Expired - Lifetime
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US00360656A
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English (en)
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E Whelan
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Sun Chemical Corp
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Sun Chemical Corp
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Publication date
Application filed by Sun Chemical Corp filed Critical Sun Chemical Corp
Priority to US00360656A priority Critical patent/US3840999A/en
Priority to NL7406172.A priority patent/NL163974C/xx
Priority to DE2423238A priority patent/DE2423238C3/de
Priority to AU68919/74A priority patent/AU481599B2/en
Priority to JP5428974A priority patent/JPS5325843B2/ja
Priority to CA74200049A priority patent/CA1048965A/en
Priority to FR7416783A priority patent/FR2229939B1/fr
Priority to SE7406477A priority patent/SE412216B/xx
Priority to GB2175574A priority patent/GB1457785A/en
Application granted granted Critical
Publication of US3840999A publication Critical patent/US3840999A/en
Priority to US05/607,606 priority patent/USRE29590E/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/122—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate
    • F26B15/128—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate the rods being attached at one end to an endless conveying means, the other end being free to receive hollow articles, e.g. cans

Definitions

  • ABSTRACT Apparatus for ultra-violet light curing by photopolym erization of radiation free ink or coating material, which is coated on the peripheral surfaces of a multisided rotatable object each uncured ink coated object is positioned on a rigid or resilient support at the end of a respective mandrel; the mandrels are rotatably journaled to an endless belt, or the like, which moves the mandrels and the objects supported thereon through a radiation oven; each mandrel carries a wheel, which engages a rack that is oriented parallel to the pathway of the mandrels through the oven such that the mandrels and the objects they support are rotated as they move along the path through the oven; a radiation emitting lamp in the oven is in a plane that is spaced from the axes of the objects as they move through the oven and is generally parallel to the path of movement of the objects through the oven; the lamp is
  • This invention relates to apparatus for curing solventfree materials that have been applied to the peripheral surfaces of a multi-sided, e.g. cylindrical or the like body.
  • Apparatus for radiation curing solvent-free materials that have been coated on one surface of an object is taught in application Ser. No. 342,816 filed Mar. 19, 1973 now US. Pat. No. 3,826,014.
  • the present invention is for curing solvent-free materials that have been coated on the peripheral surfaces of an object where the surfaces face outwardly in different directions. Curing of the coatings requires that the various coated surfaces of the object be exposed to the radiation.
  • the invention is particularly applicable to solvent-free coatings or inks applied to cans or the like containers, but it is not limited to such use.
  • Solvent-free inks and other solvent-free coatings are increasingly utilized in industry, particularly because use of such material minimizes air pollution resulting from the curing of solvent bearing inks and coatings.
  • High speed curing of solvent-free material is accomlished with high power ultra-violet radiation, which is directed at the solventfree material after its application. Apparatus for accomplishing such curing uses considerably less energy than conventional gas ovens.
  • the coating to be cured has been applied to surfaces facing outwardly in various directions.
  • the curing apparatus must be adapted to cure the coatings on all of the outwardly facing surfaces.
  • multi-sided objects carrying a coating or ink to be cured are moved in succession along a pathway through a curing oven in which an ultra-violet radiation emitting curing lamp is positioned.
  • the lamp radiates principally in one direction.
  • the objects are rotated around their axes as they move through the oven so that radiation will impinge upon all of their peripheral surfaces.
  • a supporting mandrel For each object bearing a coating to be cured, a supporting mandrel is provided.
  • Moving means are connected with the mandrels for somoving them as to move the objects they support in succession along the pathway through the curing oven.
  • Means are provided for rotating the objects as they pass through the oven, eg by rotating the mandrels.
  • the mandrels are journaled on the mandrel moving means.
  • Each mandrel carries a mandrel rotation wheel.
  • a rack extending at least the length of the pathway through the oven and oriented generally parallel to that pathway is engaged or contacted by the mandrel wheels as the objects are moved by the mandrels through the oven. This rotates the objects as they pass through the oven.
  • each object is oriented along the mandrel.
  • the radiation emitting lamp or lamp assembly is arranged in a plane that is spaced from the axes of the mandrels as the mandrels move the objects through the oven and that is generally parallel to the path of the objects through the oven.
  • the lamp is oriented obliquely with respect to the path of the objects and with respect to their axes so that as the objects move along the path, the radiation impinges across each object along its axis.
  • Each of the objects bearing a coating to be cured is connected to its mandrel. With cans or the like hollow objects, it is preferred to pass the mandrel into the object.
  • the support portion of the mandrel which is the portion that is received in the hollow interior of the object and engages the walls surrounding the interior of the object, may be comprised of resilient material. The support portion deflects as the object is forced over it, so that the mandrel can fit within the object.
  • the support portion is resilient also so that it will be biased outwardly against the interior walls of the object to hold the object securely and enable the mandrel to rotate the object.
  • the mandrel support portion for the object is comprised of a plurality of resilient fingers.
  • the support portion may be rigid and nondeflectable.
  • FIG. 11 is a side elevation assembly view of a complete curing apparatus in accordance with the invention.
  • FIG. 2 is a top view of the apparatus of FIG. l viewed in the direction of arrows 2 in FIG. 1;
  • FIG. 3 is an end elevation view of the apparatus of FIG. 11 viewed in the direction of arrows 3 in Flg. 11;
  • FIG. A is an enlarged fragmentary view of a portion of the apparatus illustrated in FIG. 3, specifically illustrating the manner of mounting and moving the objects bearing a coating to be cured;
  • FIg. 5 is a view in the direction of arrows 5 in FIG. 41 showing the means for rotating the mandrel;
  • FIG. 6 is a schematic perspective view of a modified embodiment of curing apparatus in accordance with the invention.
  • FIG. 7 is a side view of the apparatus of FIG. 6.
  • FIGS. 8-10 are schematic views of variations of the embodiment of FIG. 6.
  • curing apparatus includes conventional motor 12, which conventionally drives main drive gear 14 through belt 16. Passing around gear 14 and in driving engagement therewith is main belt or chain 20, which moves cans 60 through curing oven 70, as described below. Chain passes around conventional rotating idlers 22, 24, 26 and slack reducing idler 28, which idlers define the generally rectangular path followed by chain 20. Gear 14 and the idlers are all rotatably mounted in supporting brackets on support frame 30. Frame 30 is supported by posts 32. As gear 14 rotates clockwise in Flg. 1, chain 20 moves lengthwise in the clockwise direction and all cans 60 carried on chain 24) are moved in the direction of arrow A in succession through oven 70.
  • chain 20 is a plural link bicycle type chain.
  • Gear 14 is a conventional toothed sprocket adapted to engage in chain 20.
  • the usual pivoting posts of the links of the chain are replaced by bushings 34 each having a clearance opening through which passes shaft 36 of can supporting mandrel 40.
  • each mandrel 40 is journaled to chain 20 to permit rotation of shafts 36, as described below.
  • each shaft 36 Rigidly fastened to the end of each shaft 36 is friction surface wheel 42, which engages with cooperating friction rack 50 for rotating wheel 42.
  • a resilient can support 43 comprised of a plurality of fingers 44 radiating away from junction 45 toward their inwardly directed outer end portions 46.
  • the resilient fingers are deflectable to be readily inserted into can 60 if support 43 and the interior walls of can 60 are misaligned.
  • the fingers resiliently deflect outwardly to engage the interior walls of can 60 so that rotation of mandrel 40'also rotates the can.
  • a resilient bristled brush may be employed.
  • Fingers 44 could thus be rigid.
  • Rack 50 is comprised of a flat wheel engaging surface 54.
  • Mandrel wheel 42 may alternatively be toothed and a plurality of spaced, tooth receiving posts would then be substituted forsurface 54.
  • chain 20 moves in the direction of arrow A and wheel 42 engages rack 60
  • each mandrel wheel 42 and, therefore, its mandrel 40, can support 43 and can 60 all rotate around their respective axes in the direction of arrow B facilitating uniform impingement of radiation upon the peripheral surfaces of can 60 to cure the solvent-free coating thereon.
  • can supports 43A are moved by chain 20 in the direction of arrow A toward the entrance to curing oven 70.
  • a conventional apparatus (not shown) delivers cans 60 to the supports by sliding the cans, open end first, over fingers 44.
  • the cans have had a solvent-free coating previously applied to them by apparatus (not shown) and are now ready for curing in oven 70.
  • oven 70 has an entrance 72 and an exit 74 between which is substantially hollow enlarged housing 76. Both entrance 72 and exit 74 are narrowed generally to the size of the cans or other objects which are to be passed through the oven, so as to minimize the escape of dangerous ultra-violet radiation from housing 76.
  • entrance and exit vestibules '78 which are narrowed to conform to the shape of entrance and exit openings 72, 74.
  • the vestibule walls serve as radiation baffles further reducing escape of radiation.
  • mandrel wheel 42 and rack 50 are external to housing 76 so as to facilitate servicing them and to minimize their being needlessly exposed to possibly damaging radiation.
  • the vestibules 78, the entrance and exit sides of housing 76 and the side wall 82 of housing 76 are all provided with narrow slot 83 to permit mandrel shaft 36 to pass through oven while minimizing the escape of radiation from the oven.
  • protective baffle plate 84 is interposed between oven housing wall 82 and mandrel wheels 42 and rack 50 to absorb radiation, which exits through slot 83.
  • Wall 84 has a quite narrow slot 86, which guides chain 20 past housing 70 and thereby more precisely guides the movment of cans 60 through curing oven 70.
  • Rack 50 is positioned outside and supported on housing 76 and oven 70 and is oriented parallel to the pathway of cans 60 and mandrels 40 as the cans 60 move through oven 70.
  • Rack 50 is of a length sufficient to cause cans 60 to rotate during the entire period they are within housing 76 and being exposed to radiation.
  • housing 76 Within housing 76 is positioned the ultra-violet radiation emitting lamp 90. It has terminals 92 which are conventionally electrically connected by means (not shown) to a conventional electric power supply and which support the lamp at the top of housing 76. A reflector 93 may be positioned behind lamp 90 to focus radiation on cans 60 passing through oven 70.
  • Lamp 90 is oriented to maximize and to uniformly and efficiently distribute radiation over the entire peripheral surfaces of cans 60 as they rotate while passing through oven 70.
  • Lamp 90 being at the top of housing 76, is spaced from cans 60 and their respective mandrels 40.
  • the lamp is also arranged in a plane spaced from the cans.
  • the plane of lamp 90 is generally parallel to the path of the cans through housing 76.
  • lamp 90 is oriented obliquely with respect to the path of cans 60 through housing 76 and the axes of cans 60 so that as the cans move through the housing, the intense focused radiation of lamp 90 impinges upon theentire length of each can along its axis and along its mandrel 40.
  • a single lamp 90 is illustrated, a plurality of lamps may be used and they should be arranged for uniform radiation impingement.
  • An additional lamp may be positioned below the cans 60.
  • the intense radiation from lamp 90 generates ozone in the. vicinity of the lamp and greatly heats the air in enclosed housing 76.
  • a conventional exhaust means (not shown) exhausts heated air and ozone from within housing 76 through outlet conduit 96.
  • the air flow through the housing from entrance 72, exit '74 and the side wall slot 83 cools heated lamp 90 and removes heated air and ozone from housing 76.
  • cans 60 After cans 60 have moved through oven 70 and the coating thereon has been cured, the cans 60 are removed from their supports 43B by conventional means (not shown). Chain 20 continues to move around and additional cans 60 are mounted on the mandrels and move through oven 70.
  • curing apparatus Iii illustrated in FIGS. I45 there is a single curing oven 70. In certain situations, it may be impractical to provide a single curing oven of sufficient length to fully cure the coating on the object or the application of radiation for curing should be periodically halted.
  • FIGS. 6 and 7, an object or can curing apparatus I00 is illustrated. Apparatus Illll basi cally differs from apparatus It) in the provision of a plurality of ovens.
  • Ovens IId, I20 and I26 are supported in their stacked position by supports I32. As shown in FIG. '7, the ovens are tilted from the upright to minimize the possibility that any can on might slip off its support IS which possibility exists with rigid supports, for examp As with apparatus I0, apparatus Itll) includes means for exhausting ozone and heated gases developed within each of the ovens.
  • Exhaust means I40 includes a respective exhaust duct I42 for each oven and a common exhaust collection duct 1M connected with ex haustion means 146.
  • cans 60 enter can stripper ISII which includes means, e.g. conventional suction, compressed air or mechanical means (not shown) for removing the cans from their supports M.
  • the now free cans move through chute I52 to be delivered to a subsequent use apparatus, at which the cans might be filled, for examp
  • the vertical stack of ovens illustrated in FIGS. 6 and 7 is not the only plural oven arrangement which might be used.
  • Alternative vertical and horizontal arrangements are schematically illustrated in FIGS. S40 Still other arrangements are available. In any alternative arrangement, the operations will be substantially the same as those described in connection with FIGS. a and 7.
  • Apparatus for curing a solvent-free coating on the peripheral surfaces of an object comprising:
  • a curing oven having an entrance and an exit and a path therebetween; a radiation lamp supported in said oven and positioned to direct curing radiation across said oven and across said path therein;
  • mandrel moving means connected with said mandrel for moving it to guide the object supported by said mandrel through said oven along said path therein;
  • mandrel rotating means connectable with the mandrel and positioned to continuously engage and continuously rotate said mandrel and the object as the object passes through said oven on said path therein; said mandrel rotating means comprising a rack means orientedd generally parallel to said path; and a wheel supported by said mandrel; said rack means being positioned such that said mandrelwheel continuously engages said rack as the object supported by said mandrel passes through said oven.
  • the apparatus for curing a. coating of claim I wherein the object is hollow and. includes an opening to receive said mandrel; said mandrel includes a rigid object support shaped and positioned tofit into an opening in the hollow object.
  • said object support comprises a plurality of re-' silient fingers supported on said mandrel and deflectable with respect thereto.
  • Apparatus for curing a solvent free coating on the peripheral surfaces of an object comprising:
  • a curing oven having an entrance and an exit and a path therebetween; a radiation lamp supported in said oven and positioned to direct curing radiation across said oven and across said path therein; said lamp being elongated along a straight axis;
  • object moving means connected with said object for moving it to guide the object through said oven along said path therein;
  • rotating means connectable with the object and positioned to rotate the object as it passes through said oven on said path therein; the axis of rotation of said object being generally perpendicular to the direction of said path;
  • said lamp being supported away from said path and being disposed in a plane spaced from and parallel to the axis of rotation of the object as it moves along said path; said lamp axis being oriented obliquely with respect .to said path and extending along said path so that as the object moves along said path, the radiation from the lamp moves along the axis of the object.
  • said object rotating means comprises a rack means oriented generally parallel to said path; and a wheel supported by said mandrel; said path has a pre determined length for the portion thereof while radiation is impinging upon the object; said rack means has a length at least as long as said path portion, said rack means being positioned such that said mandrel wheel continuously engages said rack as the object supported by said mandrel passes through said oven.
  • each said mandrel including an object support for supporting an object, which said support is in said housing as said support moves along said path; each said mandrel wheel being exterior of said housing; said housing having a slot parallel to said path for permitting movement of said mandrel along said path.
  • the apparatus for curing a coating of claim 11, which comprises a plurality of said ovens each having the characteristics of the said oven; said ovens being so positioned that said entrance of one said oven is spaced a distance from said exit of the preceding said oven;
  • said mandrel moving means being so shaped and p0- sitioned as to move said mandrels successively through said ovens from their respective said entrances through their respective said exits.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Coating Apparatus (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Drying Of Solid Materials (AREA)
US00360656A 1973-05-16 1973-05-16 Apparatus for radiation-curing of coating on multi-sided object Expired - Lifetime US3840999A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US00360656A US3840999A (en) 1973-05-16 1973-05-16 Apparatus for radiation-curing of coating on multi-sided object
NL7406172.A NL163974C (nl) 1973-05-16 1974-05-08 Inrichting voor het door bestraling harden van een op een voorwerp aangebrachte polymeriseerbare bekledings- laag.
AU68919/74A AU481599B2 (en) 1973-05-16 1974-05-14 Apparatus for radiation curing of coating ona multisided object
DE2423238A DE2423238C3 (de) 1973-05-16 1974-05-14 Vorrichtung zur Strahlungsbehandlung, insbesondere zum Aushärten, eines auf die Umfangsflächen von Gegenständen mit rotationssymmetrischem oder polygonalem Umriß aufgebrachten lösungsmittelfreien Überzugs
JP5428974A JPS5325843B2 (enExample) 1973-05-16 1974-05-15
CA74200049A CA1048965A (en) 1973-05-16 1974-05-15 Apparatus for radiation curing of coating on a multi-sided object
FR7416783A FR2229939B1 (enExample) 1973-05-16 1974-05-15
SE7406477A SE412216B (sv) 1973-05-16 1974-05-15 Apparat for herdning av ett losningsmedelsfritt skikt pa omkretsytan av ett foremal
GB2175574A GB1457785A (en) 1973-05-16 1974-05-16 Apparatus for curing a solvent-free coating
US05/607,606 USRE29590E (en) 1973-05-16 1975-08-25 Apparatus for radiation-curing of coating on multi-sided object

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US00360656A US3840999A (en) 1973-05-16 1973-05-16 Apparatus for radiation-curing of coating on multi-sided object

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US05/607,606 Reissue USRE29590E (en) 1973-05-16 1975-08-25 Apparatus for radiation-curing of coating on multi-sided object

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US3840999A true US3840999A (en) 1974-10-15

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US00360656A Expired - Lifetime US3840999A (en) 1973-05-16 1973-05-16 Apparatus for radiation-curing of coating on multi-sided object
US05/607,606 Expired - Lifetime USRE29590E (en) 1973-05-16 1975-08-25 Apparatus for radiation-curing of coating on multi-sided object

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US05/607,606 Expired - Lifetime USRE29590E (en) 1973-05-16 1975-08-25 Apparatus for radiation-curing of coating on multi-sided object

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US (2) US3840999A (enExample)
JP (1) JPS5325843B2 (enExample)
CA (1) CA1048965A (enExample)
DE (1) DE2423238C3 (enExample)
FR (1) FR2229939B1 (enExample)
GB (1) GB1457785A (enExample)
NL (1) NL163974C (enExample)
SE (1) SE412216B (enExample)

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US3935647A (en) * 1974-07-16 1976-02-03 Continental Can Company, Inc. Ultraviolet curing oven
FR2297141A1 (fr) * 1975-01-09 1976-08-06 Continental Can Co Machine et procede de cuisson aux rayons ultraviolets, notamment pour corps de boites revetus d'encre polymerisable
US4040203A (en) * 1976-05-10 1977-08-09 Consupak, Inc. Rotating core rods
US4050888A (en) * 1976-03-19 1977-09-27 Flynn Burner Corporation Conveyor system for passing coated cans through chamber
US4052152A (en) * 1976-02-18 1977-10-04 Sun Chemical Corporation Direct flame drying apparatus
US4085517A (en) * 1976-08-23 1978-04-25 Bellaplast Gmbh Article treatment apparatus
DE3207637A1 (de) * 1981-04-27 1982-11-11 G-C Dental Industrial Corp. Vorrichtung zur aushaertung von auf dentalprothesen aufgeschichteten filmen
US4535549A (en) * 1983-11-02 1985-08-20 American Screen Printing Equipment Company Curing apparatus
US4573277A (en) * 1984-12-26 1986-03-04 Sudduth Donald L Ultraviolet light curing apparatus
US4578880A (en) * 1984-10-26 1986-04-01 American Screen Printing Equipment Company Curing apparatus with ejector mechanism
US5450679A (en) * 1993-05-06 1995-09-19 Fleetwood Systems, Inc. Rotary oven conveyor
US6328557B1 (en) * 1997-05-30 2001-12-11 Fort James Corporation Methods and apparatus for conveying containers through an oven to produce heat-insulative foamed layers thereon
US20070256320A1 (en) * 2004-05-25 2007-11-08 Greenbank Technology Limited Drying Apparatus and Method
US20080187616A1 (en) * 2005-08-29 2008-08-07 Sidel Participations Transfer Chain for a Preform Heater Intended for a Container Blow-Molding Machine
CN102110488A (zh) * 2010-12-31 2011-06-29 黄石众力辐照工程技术有限公司 变比积放滚筒输送装置
US20190016167A1 (en) * 2017-07-14 2019-01-17 Stolle Machinery Company, Llc Post-treatment assembly and method for treating work pieces

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FR2387774A1 (fr) * 1977-04-21 1978-11-17 Dubuit Mach Dispositif de sechage a rayons ultraviolets
US4220865A (en) 1978-11-24 1980-09-02 Sun Chemical Corporation Ultraviolet curing oven with rotable lamp assembly
JPS56141613U (enExample) * 1980-03-26 1981-10-26
JPS57102262A (en) * 1980-12-16 1982-06-25 Mitsubishi Rayon Co Ltd Ultraviolet ray irradiation device
JPS6047268U (ja) * 1983-09-09 1985-04-03 日東電工株式会社 シ−ト積重物用容器
US4888213A (en) 1988-04-19 1989-12-19 Brunswick Corporation Method and apparatus for drying coatings on articles
US5114684A (en) * 1990-12-13 1992-05-19 Serawaste Systems Corporation In-line electromagnetic energy wave applicator
AU654848B2 (en) * 1991-04-30 1994-11-24 Dentsply International Inc. Denture curing apparatus and method
US6368994B1 (en) 1999-12-27 2002-04-09 Gyrorron Technology, Inc. Rapid processing of organic materials using short wavelength microwave radiation
ITRM20060277A1 (it) * 2006-05-24 2007-11-25 Sipa Societa Industrializzazio Impianto e processo di verniciatura di contenitori
CH708881B1 (de) * 2013-11-20 2017-06-15 Besi Switzerland Ag Durchlaufofen für Substrate, die mit Bauteilen bestückt werden, und Die Bonder.

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US3420468A (en) * 1967-05-10 1969-01-07 James Paul Rhoades Crochet caddy
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Cited By (21)

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US3935647A (en) * 1974-07-16 1976-02-03 Continental Can Company, Inc. Ultraviolet curing oven
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CN102110488A (zh) * 2010-12-31 2011-06-29 黄石众力辐照工程技术有限公司 变比积放滚筒输送装置
CN102110488B (zh) * 2010-12-31 2012-10-17 黄石众力辐照工程技术有限公司 变比积放滚筒输送装置
US20190016167A1 (en) * 2017-07-14 2019-01-17 Stolle Machinery Company, Llc Post-treatment assembly and method for treating work pieces
US10259249B2 (en) * 2017-07-14 2019-04-16 Stolle Machinery Company, Llc Post-treatment assembly and method for treating work pieces
US20190232702A1 (en) * 2017-07-14 2019-08-01 Stolle Machinery Company, Llc Post-treatment assembly and method for treating work pieces
US10603944B2 (en) * 2017-07-14 2020-03-31 Stolle Machinery Company, Llc Post-treatment assembly and method for treating work pieces

Also Published As

Publication number Publication date
FR2229939B1 (enExample) 1978-07-13
USRE29590E (en) 1978-03-21
SE412216B (sv) 1980-02-25
DE2423238A1 (de) 1974-12-05
NL163974C (nl) 1980-11-17
AU6891974A (en) 1975-11-20
NL163974B (nl) 1980-06-16
GB1457785A (en) 1976-12-08
DE2423238B2 (de) 1981-03-26
DE2423238C3 (de) 1981-11-05
FR2229939A1 (enExample) 1974-12-13
CA1048965A (en) 1979-02-20
NL7406172A (enExample) 1974-11-19
JPS5325843B2 (enExample) 1978-07-29
JPS5041934A (enExample) 1975-04-16

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