WO2019092091A1 - Dispositif et procédé destinés au formage de préformes en plastique en récipients en plastique, comprenant un dispositif de palier destiné au support - Google Patents

Dispositif et procédé destinés au formage de préformes en plastique en récipients en plastique, comprenant un dispositif de palier destiné au support Download PDF

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Publication number
WO2019092091A1
WO2019092091A1 PCT/EP2018/080588 EP2018080588W WO2019092091A1 WO 2019092091 A1 WO2019092091 A1 WO 2019092091A1 EP 2018080588 W EP2018080588 W EP 2018080588W WO 2019092091 A1 WO2019092091 A1 WO 2019092091A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
rolling elements
carrier
inner ring
outer ring
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.)
Ceased
Application number
PCT/EP2018/080588
Other languages
German (de)
English (en)
Inventor
Hans-Jürgen Fleischmann
Thomas HÖLLRIEGL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Krones AG
Original Assignee
Krones AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Krones AG filed Critical Krones AG
Publication of WO2019092091A1 publication Critical patent/WO2019092091A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/28—Blow-moulding apparatus
    • B29C49/30—Blow-moulding apparatus having movable moulds or mould parts
    • B29C49/36—Blow-moulding apparatus having movable moulds or mould parts rotatable about one axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
    • F16C19/361—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with cylindrical rollers
    • F16C19/362—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with cylindrical rollers the rollers being crossed within the single row
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2322/00—Apparatus used in shaping articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/34—Rollers; Needles
    • F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces

Definitions

  • the present invention relates to an apparatus and a method for forming plastic preforms into plastic containers.
  • plastic preforms are usually reshaped within a blowing or forming station by exposure to a flowable medium and in particular compressed air and by stretching with a stretching rod into plastic containers and in particular plastic bottles.
  • the supply of the plastic preforms to the blowing stations takes place via a feed star arranged downstream of the shaping device and the removal of the finished plastic containers from the blowing stations via a discharge star arranged upstream of the shaping device.
  • blowing stations In known from the prior art forming devices such as in particular blow molding machines or stretch blow molding machines, a plurality of blowing stations is arranged on a rotatable support or a so-called blowing wheel.
  • the number of blowing stations varies depending on the size of the forming device, and accordingly also the size or the diameter of the blowing wheel varies.
  • the overall height of the blowing wheel and, for example, the blow molding stations but are usually always the same, regardless of how many blowing stations are arranged on a carrier or blowing wheel, so that it can lead to unfavorable relationships between the height and diameter of the carrier in some systems.
  • the ratio between the diameter of the carrier to the height unfavorable effect on the smoothness of the machine, and this may also lead to wobbling of the blower due to the bearing clearance.
  • the support of the carrier must be designed accordingly.
  • the storage should also meet the required accuracy and can accommodate both the radial and axial forces generated by the rotation of the carrier.
  • the rotary blowing wheel of the blowing machine is therefore mounted with a rotary joint, which is currently a single-row four-point moment bearing.
  • This previously used four-point torque bearing was therefore well suited for the previous speeds and also satisfactory in price and function.
  • the present invention is therefore based on the object to provide an alternative to the previous four-point bearing and the double-row bearing variant, which is as cost-neutral as possible to the previous solution, can reach a higher speed, has a low temperature development and has a low rotational resistance. Furthermore, this alternative should also be able to be integrated into the previously existing installation space.
  • the carrier is rotatably supported by at least one bearing means relative to a main carrier and the bearing means comprises at least one bearing outer ring and a bearing inner ring , wherein between the bearing outer ring and the bearing inner ring, a plurality of rotationally symmetric rolling elements is provided, which are movable relative to the Lagerau H- and bearing inner ring.
  • the movement of the rolling bodies preferably involves a rotational movement of the rolling bodies about at least one axis of rotation.
  • the rolling elements are arranged at least in one row and in a crosswise manner within the bearing device.
  • the axis of rotation of a first rolling element deviates from the axis of rotation of a second rolling element, which is preferably arranged adjacent to the first rolling element.
  • the rotation axes of two adjacent rolling elements are therefore preferably not parallel to each other.
  • the rolling elements are arranged offset from one another at right angles.
  • the axes of rotation of the rolling elements with respect to the axis of rotation of the carrier at an angle which is between 20 ° and 60 °, preferably between 25 ° and 50 °, preferably between 30 ° and 45 ° and particularly preferably at exactly 45 °.
  • two axes of rotation are generated by the crosswise arrangement of the rolling bodies, wherein a first rolling body is preferably rotatable about a first rotation axis and a second rolling body, which is arranged adjacent to the first rolling body, is preferably rotatable about a second rotation axis.
  • the first axis of rotation and the second axis of rotation are perpendicular to each other.
  • a bearing device for the carrier which allows a lower rotational resistance and a defined unrolling of the rolling bodies.
  • the storage device according to the invention requires the same installation space as a single-row bearing and can therefore be integrated in its installation space, so that the storage facilities of existing blowing machines can be exchanged and thus retrofitted in a very simple manner by the storage device according to the invention.
  • the crosswise arrangement of the rolling elements also a stable, single-row bearing is created, which can absorb both axial and radial forces well.
  • the device according to the invention and the method according to the invention are applicable to all types of continuous container treatment machines, which have a rotatable support on which a plurality of treatment stations is arranged, such as, for example, filling or labeling machines.
  • the proposed storage variant can thus be used preferably in all container treatment machines application.
  • the number of treatment stations of a treatment plant and preferably a device for forming plastic preforms into plastic containers is preferably between 4 and 40, preferably between 6 and 30 and preferably between 8 and 20.
  • the treatment devices are arranged on an outer periphery of the rotatable support.
  • the Applicant therefore reserves the right to claim protection for a device for treating plastic preforms and / or plastic containers with a plurality of treatment stations, which is arranged on a carrier rotatable about a predetermined axis of rotation, wherein the carrier is rotatable by means of at least one bearing device is mounted opposite a main carrier and the bearing device at least one nen bearing outer ring and a bearing inner ring, wherein between the bearing outer ring and the bearing inner ring a plurality of rotationally symmetric rolling elements is provided, which are movable relative to the Lagerau H- and bearing inner ring, according to the invention, the rolling elements are arranged at least single row and crosswise within the storage facility
  • the device for forming plastic preforms into plastic containers is preferably a blow molding machine.
  • the flowable medium is preferably under pressure.
  • the device has a blowing nozzle, which can be applied sealingly to an opening of the plastic preforms in order to expand the plastic preforms in such a way with liquid or gaseous medium.
  • a valve arrangement is preferably provided which controls the supply of the blowing air to the plastic preforms.
  • the expansion of the container takes place by means of the product, so that a simultaneous filling and expansion of the container is made.
  • the blow molding machine is preferably a stretch blow molding machine, which means that the preforms are stretched in the longitudinal direction before and / or during the expansion by means of a stretching rod.
  • the conversion stations each have stretching bars, which can be inserted into the plastic preforms and stretch the plastic preforms in their longitudinal direction.
  • the stretch rods preferably have an electric drive. However, it is also possible to control the stretching bars via curves.
  • a multiplicity of transformation stations are arranged on a common movable support.
  • This carrier is in particular a rotatable carrier.
  • the forming stations each have a blow molding device, which preferably forms a cavity within which the plastic preforms are expandable to the plastic containers.
  • These blow molding devices are preferably designed in several parts and have two blow mold halves and a bottom mold.
  • these blow mold halves are detachably arranged on a mold carrier shell or on the blow mold carriers.
  • the blow mold carriers are pivotable relative to each other to open and close the blow molds.
  • the blow mold carrier on locking mechanisms to lock the mold halves against each other during the blowing process.
  • blow molding machine or the carrier and the blow mold arrangements are particularly preferably arranged within a clean room which delimits the blow molding machine from an unsterile environment.
  • Drive devices for the closure, locking and / or opening of the blow molds are preferably arranged outside of the clean room.
  • the blow molding devices are preferably transported within the clean room.
  • the clean room is preferably limited by several walls.
  • the clean room is preferably delimited by at least one stationary wall and a wall which moves relative to this wall.
  • the cleanroom delimits the blow molds, in particular, from an unsterile environment.
  • the clean room is annular or toroidal formed around the forming stations or forming stations and / or the transport path of the plastic containers.
  • the rolling elements are selected from a group of Wälzkör- pern, which contains cylindrical rolling elements, conical rolling elements, needle rollers, barrel rollers and the like.
  • the rolling elements are cylindrical rolling elements.
  • the rolling elements are particularly preferably cylindrical rolling elements whose diameter is greater than their height.
  • the device and in particular the bearing device has at least one raceway within which the rolling elements can be guided.
  • the raceway preferably encloses an angle with respect to the axis of rotation of the carrier and / or with respect to the bearing inner ring and / or the bearing outer ring which is between 20 ° and 60 °, preferably between 25 ° and 50 °, preferably between 30 ° and 45 ° and especially preferably at exactly 45 °.
  • the cylindrical rolling elements are preferably arranged crosswise in this track.
  • the raceway preferably has a coating, such as a plasma surface coating, for example.
  • such a coating of the track at least partially and particularly preferably completely omits lubrication of the bearing device.
  • a diamond-like carbon coating, ceramic coating or the like would also be conceivable.
  • the rolling elements or the raceway and / or the rolling elements could have such a coating. In particular, friction, wear and corrosion of the rolling elements and the bearing device can be prevented or at least reduced by coatings.
  • the bearing device has at least three bearing rings. Therefore, bearing variants of two rings or three rings are possible.
  • the bearing variant of two rings has the particular advantage that this is almost cost-neutral to the previously used four-point torque bearing, but at the same time cheaper than the double-row variant and also higher speeds are possible.
  • the bearing variant of three rings has the particular advantage that the bearing tolerances can be adjusted individually, depending on the requirement.
  • the bearing means and / or the rolling elements are made of a material selected from a group of materials including steels such as chrome steel, case steel, high nitrogen steel (HNS), flame and induction hardened steel; plastics; Contains ceramics and the like.
  • the bearing device and / or the rolling elements are made of a stainless material.
  • a spacer is arranged between two juxtaposed rolling elements, which serves as a guide device for the rolling elements.
  • the spacers are preferably made of a material selected from a group of materials including brass alloys, aluminum alloys, thermoplastics such as polyamide or the like. These spacers are used in particular to separate the rolling elements from each other and to produce a uniform distance between the rolling elements.
  • the Spacers is also particularly an inclination of the rolling elements and friction and heat generation prevented between the rolling elements.
  • the spacers hold the rolling elements at the same distance from each other, whereby a uniform distribution of the resulting forces is possible.
  • the spacers may also be a so-called bearing cage, within which the rolling elements are arranged, wherein the at least one bearing cage serves as a guide device for the rolling elements.
  • the forces occurring during the rotational movement of the carrier in the axial and radial directions can be absorbed by the rolling elements.
  • the storage facility is therefore universally and versatile applicable to a wide variety of requirements and container treatment plants.
  • a temperature occurring at the bearing device during the rotational movement of the carrier is between 40 ° C and 65 ° C, preferably between 45 ° C and 60 ° C and more preferably below 55 ° C.
  • This comparatively low temperature development prevents overheating of the bearing and thus also undesired heating of the carrier and, in the worst case, of the plastic preforms and / or plastic containers to be treated.
  • This low temperature development is particularly preferably made possible by the crosswise arrangement of the rolling elements, as this results in less friction between the rolling elements and the raceway and between the rolling elements with one another.
  • lubricating grease or oil is preferably used for this purpose.
  • the present invention is also directed to a method for forming plastic preforms into plastic containers having a plurality of forming stations arranged on a support rotatable about a predetermined axis of rotation, wherein the carrier is rotatably supported by at least one bearing means relative to a main carrier and the bearing means comprises at least one bearing outer ring and a bearing inner ring, wherein between the bearing outer ring and the bearing inner ring a plurality of rotationally symmetric rolling elements is provided, which are moved relative to the Lagerau conference conference- and bearing inner ring.
  • the rolling elements are arranged at least in one row and in a crosswise manner within the bearing device.
  • the bearing device or the rolling elements absorb both the axial and radial forces which arise during the rotational movement of the carrier.
  • forces are absorbed by the rolling elements in the radial and axial directions.
  • the bearing device is easily applicable and retrofittable in existing blow molding machines.
  • the rolling elements are guided within a raceway, which preferably includes an angle which is between 20 ° and 60 °, preferably between 25 ° and 50 °, preferably between 30 ° and 45 °, and particularly preferably at exactly 45 ° is.
  • the track preferably has a coating, such as, for example, a plasma surface coating, a diamond-like carbon coating, a ceramic coating or the like. In particular friction, wear and corrosion of the rolling elements and the bearing device is prevented or at least reduced by this coating.
  • FIG. 1 shows a schematic representation of an apparatus for forming plastic preforms into plastic containers; a schematic representation of a storage facility in the installed state; a schematic representation of the storage device; a further schematic representation of the bearing device in a first embodiment; and a further schematic representation of the storage device in a further embodiment.
  • FIG. 1 shows a schematic representation of a device 1 for forming plastic preforms 10 into plastic containers 20.
  • the plastic preforms 10 are supplied to the individual forming stations 8 and, preferably while being transported by a transport device 2, are expanded to plastic containers 20. After this expansion, the plastic containers 20 are removed again from the device 1.
  • a feed star (not shown) may be provided, which feeds the plastic preforms to the device 1, and a discharge device (also not shown), in particular also a transport star, which discharges the finished plastic material containers 20 from the device.
  • the device 1 has a carrier 12 on which a plurality of forming stations 8 is arranged. For example, as shown in FIG.
  • this carrier may be a blowing wheel, which is rotatable with respect to a rotation axis D (which is perpendicular to the plane of the figure and thus vertical).
  • Each individual forming station 8 in each case has a blow molding device 14.
  • This blow molding device 14 is composed of two side parts and a bottom mold. According to the invention, these blow molding devices 14 can be replaced.
  • the blow molding devices 14 are arranged on blow mold carriers 16 and can be removed therefrom or arranged thereon.
  • the reference numeral 6 denotes a main carrier, on which the carrier 12 is rotatably mounted.
  • the reference symbol 18 denotes a housing which at least partially surrounds the carrier 12. Preferably, the housing 18 separates its interior, which is designed as a sterile or clean room, from a normal atmosphere.
  • Figure 2 shows a schematic representation of a storage device 30 in the installed state. It is thereby a carrier 12 can be seen, which is arranged by means of the bearing means 30 rotatable relative to a main carrier 6.
  • the reference symbols R1 and R2 designate a first axis of rotation and a second axis of rotation of the rolling elements (not shown here) which are perpendicular to one another.
  • the rotation axes R1 and R2 are preferably arranged in this illustration at an angle of 90 ° to each other.
  • 3 shows a schematic representation of the bearing device 30, wherein in particular a bearing outer ring 31 and a bearing inner ring 32 can be seen.
  • Figures 4 and 5 show further representations of the storage device 30, wherein from these representations in particular the crosswise arrangement of the rolling elements 35 emerges.
  • a raceway 38 is provided, within which the rolling elements 35 are guided, wherein the raceway 38 relative to the axis of rotation of the carrier and / or relative to the bearing inner ring and / or the bearing outer ring has an angle of 45 °.
  • the raceway 38 is formed from four opposing raceway surfaces.
  • the reference numeral 39 denotes spacers, which are arranged between two adjacent rolling elements 35.
  • the rolling elements 35 are movable along a first axis of rotation R1 and / or a second axis of rotation R2, which are preferably perpendicular to each other, relative to the track 38 and in particular rotatable.
  • the reference numerals 31 and 32 relate again to the bearing outer ring and the bearing inner ring of the bearing device 30.
  • the track 38 in FIG. 5, within which the rolling elements are guided has an angle of 90 ° with respect to the axis of rotation of the carrier and / or with respect to the bearing inner ring and / or the bearing outer ring.
  • the diameter and the height of the rolling elements 35 are the same.
  • spacers 39 are again arranged between the rolling bodies 35 in order to hold the rolling elements 35 at a defined distance from one another and to prevent an oblique position of the rolling elements 35.
  • the second rotation axis R2 in this illustration runs perpendicular to the plane of the figure.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Rolling Contact Bearings (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un dispositif (1) destiné au formage de préformes en plastique (10) en récipients en plastique (20), comprenant une pluralité de postes de formage (8), qui sont agencés sur un support (12) pouvant tourner autour d'un axe rotatif prédéfini (D), le support (12) étant monté à rotation par rapport à un support principal (6) au moyen d'au moins un dispositif de palier (30), et le dispositif de palier (30) comportant au moins une bague extérieure de palier (31) et une bague intérieure de palier (32), une pluralité de corps de roulement à symétrie de rotation (35) étant disposés entre la bague extérieure de palier (31) et la bague intérieure de palier (32), qui sont mobiles par rapport aux bagues extérieure et intérieure de palier (31, 32). Selon l'invention, les corps de roulement (35) sont agencés au moins en une rangée et en croix au sein du dispositif de palier (30).
PCT/EP2018/080588 2017-11-09 2018-11-08 Dispositif et procédé destinés au formage de préformes en plastique en récipients en plastique, comprenant un dispositif de palier destiné au support Ceased WO2019092091A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017126242.3 2017-11-09
DE102017126242.3A DE102017126242A1 (de) 2017-11-09 2017-11-09 Vorrichtung und Verfahren zum Umformen von Kunststoffvorformlingen zu Kunststoffbehältnissen mit Lagereinrichtung für den Träger

Publications (1)

Publication Number Publication Date
WO2019092091A1 true WO2019092091A1 (fr) 2019-05-16

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PCT/EP2018/080588 Ceased WO2019092091A1 (fr) 2017-11-09 2018-11-08 Dispositif et procédé destinés au formage de préformes en plastique en récipients en plastique, comprenant un dispositif de palier destiné au support

Country Status (2)

Country Link
DE (1) DE102017126242A1 (fr)
WO (1) WO2019092091A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110030279B (zh) * 2019-05-15 2024-11-29 苏州绿的谐波传动科技股份有限公司 一种新型密封结构的十字交叉滚子轴承

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090016660A1 (en) * 2005-03-17 2009-01-15 Kabushiki Kaisha Yaskawa Denki Solid lubrication roller bearing
US20140003756A1 (en) * 2012-06-29 2014-01-02 Chang-Hsin Kuo Rolling bearing
US20150192174A1 (en) * 2012-09-19 2015-07-09 Ntn Corporation Wind/tidal power generation bearing
DE102014109957A1 (de) * 2014-07-16 2016-01-21 Krones Aktiengesellschaft Vorrichtung zum Behandeln von Behältnissen mit mehrreihigem Lager

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615575B1 (fr) * 1987-05-22 1994-01-14 Glaenzer Spicer Roulement a rouleaux coniques entrecroises, et application a un moyeu pour automobile
DE19727278A1 (de) * 1997-02-17 1999-01-07 Kronseder Maschf Krones Blasformmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090016660A1 (en) * 2005-03-17 2009-01-15 Kabushiki Kaisha Yaskawa Denki Solid lubrication roller bearing
US20140003756A1 (en) * 2012-06-29 2014-01-02 Chang-Hsin Kuo Rolling bearing
US20150192174A1 (en) * 2012-09-19 2015-07-09 Ntn Corporation Wind/tidal power generation bearing
DE102014109957A1 (de) * 2014-07-16 2016-01-21 Krones Aktiengesellschaft Vorrichtung zum Behandeln von Behältnissen mit mehrreihigem Lager

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