US1562587A - Device for grinding bottles and stoppers - Google Patents

Device for grinding bottles and stoppers Download PDF

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US1562587A
US1562587A US730804A US73080424A US1562587A US 1562587 A US1562587 A US 1562587A US 730804 A US730804 A US 730804A US 73080424 A US73080424 A US 73080424A US 1562587 A US1562587 A US 1562587A
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grinding
tool
stoppers
plates
leaves
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US730804A
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William H Ranagan
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/006Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding hollow glassware, bottles

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  • This invention relates to apparatus for grinding articles of glass, such as the necks and stoppers of bottles, and more particu larly to grinding tools rotating against the surface to be ground in machines such as that described in my co-pending application Serial No. 672,645.
  • the grinding tool In grinding necks and stoppers of bottles, the grinding tool is rotated at a high speed, these speeds attaining a rate of 2000 to 2500 revolutions per minute.
  • the tool When the tool is rotating at these high speeds and strikes an irregular, rough, or uneven spot in the neck or stopper, the bottle or stopper is broken and the pieces are propelled out of the machine with a high velocity and with great danger of injury to the workers.
  • An object of the present invention is to enable the grinding tool or apparatus to readily adjust itself to rough or uneven places that may be encountered, and consequently, to enable the grinding surfaces to be pushed together or extended apart to prevent breaking the article being ground.
  • Another object of the invention is to provide a device having complementary grinding surfaces each of which may by ready adjustment of the device be used for grinding either bottle necks or stoppers as desired.
  • a further object of the invention is to provide a tool or device which may be readily adjusted for necks or stoppers of different sizes or dimensions.
  • the invention comprises the apparatus and devices described and set forth in the following specification and claims.
  • Fig. 1 is a' side view, partly in section of a portion of a grinding machine and a tool embodying a preferred form of the invention, the tool in this instance being for grinding the neck of a bottle,
  • Fig. 2 is a side view of the tool shown in Fig. 1
  • Fig. 3 is a perspective view of a grinding plate for the tools of the device showing the manner of attaching this grinding plate when used for grinding a bottle neck as in Figs. 1 and 2, and
  • Fig. l is a view similar to that of Fig. l, the tool being, in this instance, for grinding a stopper,
  • Fig. 5 is a side view of the tool shown in Fig. 4,
  • Fig. 6 is a perspective view of the grinding plate of Fig. 3 showing the manner of attaching or mounting the plate when used for grinding bottle stoppers as in Figs. 4 and 5. a
  • the tool is illustrated as employed in the machine described in my co-pending application Serial No. 672,645, mentioned above, portions only of this machine being shown and being identified with the same numerals as in the above mentioned application in order to make the identification of these parts in the machine immediately apparent.
  • a bottle 10 is supported in a suitable support or carriervl2 in which it is rigidly held and lifted upwardly towards a grinding tool 46.
  • the tool at is held and rotated axially to the neck of the bottle by means of a spindle 48 journaled in a vertical supporting bearing 50 on a support 52 and is driven by means of a gear 54; rigidly mounted on or keyed, to the up per end of the shaft and driven from a main driving gear 60.
  • Abrasive 61 is fed to the grinding surface of the tool from a cup or reservoir 7 6 having in 1ts bottom a hole or opening 78 through which the tool extends and through which a small stream of abrasive flows to the grinding tool.
  • the rate of flow of abrasive may be controlled by means of a gate 80 by which the size of the opening may be regulated.
  • the grinding surfaces are formed in pairs and are resiliently.
  • a pair of leaves 87 and 88 of spring metal are mounted and secured by means of bolts 89 and extend downwardly in spaced relation to the neck of the bottle.
  • the lower ends of the leaves 87 and 88 are shaped as at 90 and 91 to fit or conform to the shape of the article being ground, the surface lying in a downwardly tapering, conical, curvature or forming a portion of a cone surface when bottle necks are to be ground.
  • a pair of grinding plates 92 and 93 of the same conical curvature or shape as the throat of the bottle neck are mounted on the outer surfaces of the end portions 90 and 91 and secured thereto at their upper ends by means of tongues 94rwhich fit through and are clinched in openings 95 in the leaves and at their lower ends by means of tongues 96 which are clinched through notches 97 in the lower ends of the leaves, the positions of the tongue being shown in I Fi 3.
  • These ton ues are made of material of sufficient flexibility to bend in either di rection so that they form securing means when the plates are mounted either on their inner or their outer surfaces and thus enable these grinding plates to serve for grinding either the necks or the stoppers of the bottles.
  • the arrangement of the tool for grinding stoppers is similar to that for grinding necks except that the ends of the leaves 87 and 88 are flared outwardly at their lower ends and the grinding plates 92 and 93 are in inverted position relative to that which they take in grinding necks, to conform to the shape of the leaves 87 and 88 and to the shape of the stopper being ground.
  • the stopper In grinding a stop per, 11 1, the stopper is held and supported in inverted position in a holder 116 having a slot or socket into which the top of the stopper may be inserted, and the holder is then mounted in the carrier 12.
  • the lower ends of the leaves 87 and 88 are curved as at 118 and 119 to flare downwardly and thus fit the contour of the stopper and thegrinding surface plates 92 and 93 are secured to the inner faces of the leaves in a position inverted from that when grinding necks, the tongue 94 being clinched in a notch 120 in the lower end of the leaf and the tongue 96'being clinched through an opening 12l in the leaf, the position of the plates and tongues being indicated in ,Fig. (5.
  • the leaves 87 and 88 may be made longer to provide greater resiliency and the movement of the leaves controlled to some extent by means of a screw 122 and a nut 123 which enable the leaves to spread but limit their inward movement to definite stop.
  • the tool In grinding a stopper or bottle neck using the above tool, if the surface of the stopper or neck is not perfectly true, or if it has any bulging or flattened portions or other irregularities, the tool will not catch on such portions and break the article but the grinding surfaces will yield inwardly or outwardly with no tendency to burst or break the article and moreover tending to grind the article to a true surface.
  • the grinding plates are such, also, that plates of a single, simple shape may be used for grinding either the necks or the stoppers thus providing plates of the cheapest construction and enabling the tool to be used indefinitely,
  • a tool for grinding articles of the type described which comprises, a holding stem, spring leaves mounted in spaced relation, one on each side of said stem, grinding plates, attaching means on said grinding plates to hold the said grinding plates to the free ends of said leaves, each leaf having an opening in its body portion, and a notch in its free end positioned to receive and hold the attaching means provided on said grinding plates.
  • a grinding plate for a tool of the type described which comprises, a sheet of material of a curvature corresponding to a portion of a cone, and a pair of tongues, one at its upper edge and one at its lower edge adapted to be bent to either sideiof said plate.
  • A. pair of grinding plates for a tool of the type described which comprises, a pair of sheets forming a frustro-conical surface and adapted to be mounted respectively on their inner or their outer surfaces and attaching tongues for securing said plates to a supporting surface.

Description

Nov. 24, 1925 1,562,587
w. H. RANAGAN DEVICE FOR GRINDING BOTTLES AND STOFPERS Filed Aug. 8, 192A 11v VLNTOR mLL/AM H RANAG M A; A TTO NE)" Patented Nov. 24, 1925 STATE,
VTILLIAM H. BANAG'AN, OF VINELAND, NFFW JERSEY.
DEVICE FOR GRINDING- BOTTLES AND SGZOTEPERS.
Application filed August 8, 19%. Serial No. 7303M.
T 0 all whom it may 0012mm:
Be it known that I, lVILLIAM H. BANA- GAN, a citizen of the United States, and. a resident of Vineland, county of (lumberland, State of New Jersey, have invented certain new and useful Improvements in Devices for Grinding Bottles and Stoppers, of which the following is a specification.
This invention relates to apparatus for grinding articles of glass, such as the necks and stoppers of bottles, and more particu larly to grinding tools rotating against the surface to be ground in machines such as that described in my co-pending application Serial No. 672,645.
In grinding necks and stoppers of bottles, the grinding tool is rotated at a high speed, these speeds attaining a rate of 2000 to 2500 revolutions per minute. When the tool is rotating at these high speeds and strikes an irregular, rough, or uneven spot in the neck or stopper, the bottle or stopper is broken and the pieces are propelled out of the machine with a high velocity and with great danger of injury to the workers.
An object of the present invention is to enable the grinding tool or apparatus to readily adjust itself to rough or uneven places that may be encountered, and consequently, to enable the grinding surfaces to be pushed together or extended apart to prevent breaking the article being ground.
Another object of the invention is to provide a device having complementary grinding surfaces each of which may by ready adjustment of the device be used for grinding either bottle necks or stoppers as desired.
A further object of the invention is to provide a tool or device which may be readily adjusted for necks or stoppers of different sizes or dimensions.
With these and other objects in view, the invention comprises the apparatus and devices described and set forth in the following specification and claims.
The various features of the invention are illustrated in the accompanying drawings, in which,
Fig. 1 is a' side view, partly in section of a portion of a grinding machine and a tool embodying a preferred form of the invention, the tool in this instance being for grinding the neck of a bottle,
Fig. 2 is a side view of the tool shown in Fig. 1
Fig. 3 is a perspective view of a grinding plate for the tools of the device showing the manner of attaching this grinding plate when used for grinding a bottle neck as in Figs. 1 and 2, and
Fig. l is a view similar to that of Fig. l, the tool being, in this instance, for grinding a stopper,
Fig. 5 is a side view of the tool shown in Fig. 4,
Fig. 6 is a perspective view of the grinding plate of Fig. 3 showing the manner of attaching or mounting the plate when used for grinding bottle stoppers as in Figs. 4 and 5. a
In the embodiment of my invention shown in the accompanying drawings, the tool is illustrated as employed in the machine described in my co-pending application Serial No. 672,645, mentioned above, portions only of this machine being shown and being identified with the same numerals as in the above mentioned application in order to make the identification of these parts in the machine immediately apparent. In this machine, a bottle 10 is supported in a suitable support or carriervl2 in which it is rigidly held and lifted upwardly towards a grinding tool 46. The tool at is held and rotated axially to the neck of the bottle by means of a spindle 48 journaled in a vertical supporting bearing 50 on a support 52 and is driven by means of a gear 54; rigidly mounted on or keyed, to the up per end of the shaft and driven from a main driving gear 60. Abrasive 61 is fed to the grinding surface of the tool from a cup or reservoir 7 6 having in 1ts bottom a hole or opening 78 through which the tool extends and through which a small stream of abrasive flows to the grinding tool. The rate of flow of abrasive may be controlled by means of a gate 80 by which the size of the opening may be regulated.
In my present invention, the grinding surfaces are formed in pairs and are resiliently.
end as at 85 and 86, to provide surfaces on which the resilient grinding supports may be mounted. On the faces 85 and 86 a pair of leaves 87 and 88 of spring metal are mounted and secured by means of bolts 89 and extend downwardly in spaced relation to the neck of the bottle. The lower ends of the leaves 87 and 88 are shaped as at 90 and 91 to fit or conform to the shape of the article being ground, the surface lying in a downwardly tapering, conical, curvature or forming a portion of a cone surface when bottle necks are to be ground.
A pair of grinding plates 92 and 93 of the same conical curvature or shape as the throat of the bottle neck are mounted on the outer surfaces of the end portions 90 and 91 and secured thereto at their upper ends by means of tongues 94rwhich fit through and are clinched in openings 95 in the leaves and at their lower ends by means of tongues 96 which are clinched through notches 97 in the lower ends of the leaves, the positions of the tongue being shown in I Fi 3. These ton ues are made of material of sufficient flexibility to bend in either di rection so that they form securing means when the plates are mounted either on their inner or their outer surfaces and thus enable these grinding plates to serve for grinding either the necks or the stoppers of the bottles.
The arrangement of the tool for grinding stoppers is similar to that for grinding necks except that the ends of the leaves 87 and 88 are flared outwardly at their lower ends and the grinding plates 92 and 93 are in inverted position relative to that which they take in grinding necks, to conform to the shape of the leaves 87 and 88 and to the shape of the stopper being ground. In grinding a stop per, 11 1, the stopper is held and supported in inverted position in a holder 116 having a slot or socket into which the top of the stopper may be inserted, and the holder is then mounted in the carrier 12. The lower ends of the leaves 87 and 88 are curved as at 118 and 119 to flare downwardly and thus fit the contour of the stopper and thegrinding surface plates 92 and 93 are secured to the inner faces of the leaves in a position inverted from that when grinding necks, the tongue 94 being clinched in a notch 120 in the lower end of the leaf and the tongue 96'being clinched through an opening 12l in the leaf, the position of the plates and tongues being indicated in ,Fig. (5.
As shown in Figs. 4 and 5, the leaves 87 and 88 may be made longer to provide greater resiliency and the movement of the leaves controlled to some extent by means of a screw 122 and a nut 123 which enable the leaves to spread but limit their inward movement to definite stop.
In grinding a stopper or bottle neck using the above tool, if the surface of the stopper or neck is not perfectly true, or if it has any bulging or flattened portions or other irregularities, the tool will not catch on such portions and break the article but the grinding surfaces will yield inwardly or outwardly with no tendency to burst or break the article and moreover tending to grind the article to a true surface. The grinding plates are such, also, that plates of a single, simple shape may be used for grinding either the necks or the stoppers thus providing plates of the cheapest construction and enabling the tool to be used indefinitely,
As changes of construction could be made within the scope of my invention it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Having described the invention, what I claim and desire to secure by Letters Patent is:
1. A tool for grinding articles of the type described which comprises, a holding stem, spring leaves mounted in spaced relation, one on each side of said stem, grinding plates, attaching means on said grinding plates to hold the said grinding plates to the free ends of said leaves, each leaf having an opening in its body portion, and a notch in its free end positioned to receive and hold the attaching means provided on said grinding plates.
2. A grinding plate for a tool of the type described which comprises, a sheet of material of a curvature corresponding to a portion of a cone, and a pair of tongues, one at its upper edge and one at its lower edge adapted to be bent to either sideiof said plate.
3. A. pair of grinding plates for a tool of the type described which comprises, a pair of sheets forming a frustro-conical surface and adapted to be mounted respectively on their inner or their outer surfaces and attaching tongues for securing said plates to a supporting surface.
WILLIAM H. RANAGAN.
US730804A 1924-08-08 1924-08-08 Device for grinding bottles and stoppers Expired - Lifetime US1562587A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209949A (en) * 1978-01-04 1980-07-01 Staats & Staats, Inc. Method and apparatus for high precision lapping machines
US4486983A (en) * 1982-09-07 1984-12-11 Sunnen Products Company Guides for honing heads
US4914866A (en) * 1984-11-29 1990-04-10 American Telephone And Telegraph Co. Apparatus for adjusting optical fiber connector components
US20100178855A1 (en) * 2009-01-14 2010-07-15 Japan Super Quartz Corporation Carbon electrode grinding apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209949A (en) * 1978-01-04 1980-07-01 Staats & Staats, Inc. Method and apparatus for high precision lapping machines
US4486983A (en) * 1982-09-07 1984-12-11 Sunnen Products Company Guides for honing heads
US4914866A (en) * 1984-11-29 1990-04-10 American Telephone And Telegraph Co. Apparatus for adjusting optical fiber connector components
US20100178855A1 (en) * 2009-01-14 2010-07-15 Japan Super Quartz Corporation Carbon electrode grinding apparatus
US8449352B2 (en) * 2009-01-14 2013-05-28 Japan Super Quartz Corporation Carbon electrode grinding apparatus

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