CA1206115A - Auger screw - Google Patents
Auger screwInfo
- Publication number
- CA1206115A CA1206115A CA000440176A CA440176A CA1206115A CA 1206115 A CA1206115 A CA 1206115A CA 000440176 A CA000440176 A CA 000440176A CA 440176 A CA440176 A CA 440176A CA 1206115 A CA1206115 A CA 1206115A
- Authority
- CA
- Canada
- Prior art keywords
- auger
- tube
- tube means
- shaft
- clamp
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
- B65G33/265—Screws with a continuous helical surface
Abstract
AUGER SCREW
ABSTRACT OF THE DISCLOSURE
An inlet auger section for a grain auger is formed from six separate half portions each having a half tube integrally carrying two half flights of two separate helical screws. Each half section is manufactured integrally from a plastics material and the half sections co-operate to substantially surround a shaft of the auger and to complete one flight of each of the screws. The two half portions are clamped together onto the shaft by hose clamps which extend around the tube and pass through slots in the screw flights.
ABSTRACT OF THE DISCLOSURE
An inlet auger section for a grain auger is formed from six separate half portions each having a half tube integrally carrying two half flights of two separate helical screws. Each half section is manufactured integrally from a plastics material and the half sections co-operate to substantially surround a shaft of the auger and to complete one flight of each of the screws. The two half portions are clamped together onto the shaft by hose clamps which extend around the tube and pass through slots in the screw flights.
Description
AUGER SCREW
BACKGROUND OF THE INVENTION
:
This invention relates to an auger screw and particularly to a screw section which can be used as the intake sec-tion of the auger.
Augers for li-fting grain and other particulate material comprise a tube with a helical ~light mounted within the tube on a drive shaft by which the flight can be rotated to raise grain to the top o-f the tube or cylinder~ The bottom end of the cylinder provides an intake section at which the helical flight is exposed in order to collect the grain from a supply and inject it into the cylinder for transporta-tion by the helical flight. There are a number of proposal in prior patents for providing a slip clutch between an lntake section of the helical flight and the main section of the helical flight which is rigidly attached to the sha~t so that any equipm~nt or limbs of operatives which engage the helical ~light of the exposed intake section do not damage the helical flight or the limb or other equipment~engaging the helical -flight. However these slip clutches comprise a conslderable egpense in the manuacture of the auger :
:
.
- ~ -and also are prone to failure in the hostile atmosphere involved in transporting such particulate materials.
SUMMARY OF THE INVENTION
-It is one object of the invention therefore to provide an auger in which a section of helical flight can be attached -to a drive shaft in a manner which is simple and inexpensive and which provides an effective slip clutch arrangement.
According to a first aspect of the invention therefore there is provided an auger comprising a drive shaft, means defining a tube having an inner surface substantially co-axially surrounding the outer surface of the shaft, a helical flight secured to said tube means for co-rotation therewith, the tube means being divided axially to form two portions which can be opened apart relative to the shaft and a clamping means for closing the portions around the shaft to frictionally engage the inner surface of the two portions o~ the tube means with the outer surface of the shaft.
According to a second aspect of the invention there is provided an auger screw section for attach~ent to a drive shaft of an auger comprising means defining a tube having an inner surface for substantially co-axially surrounding an outer surfaoe of the drive shaft, a 120~1~5 helical flight secured to said tube means for co-rotation therewith, the tube means being divided a~ially to form two portions which can be opened apart relative to the sha~t and a clamping means for closing the portions around the shaft to frictionally engage the inner surface of the two portions of the tube means with the outer surface of the shaftO
The screw section can therefore be manufactured very simply in two halves by a moulding process from a plastics material. The two halves can be wrapped around the drive shaft and attached to the shaft by clamps which surround the tube passing through slots in the helical ~light. These clamps can be formed from simple conven-~tional hose clamps which can be positioned at spaced posltions along the length of the tube.
In this way an auger flight section is manu-factured in a very simple and inexpensive manner from readily available components and from a simple injecti~on mouldlng process and yet ~provides~ a~ very effectlve coupling of the section to the drive shaft.
With the foregoing in view, and other advantages as will become apparent to those skille~d in the art to which this invention relates as this speci~
cation proceeds, the inven~ion is herein~ described by : ~ : :
:: :
, ~
$~
reference to the accompanying drawings forming a part thereof, which includes a description of the best mode known to the applicant and of the preferred typical embodiment of the principles of the present invention, in which:
DESCRIPTION OF THE DRAWINGS
Figure 1 is a schematic part cross-sectional view of the inlet end of an auger showing the auger screw in plan view.
Figure 2 is an isometric view o~ half of one section of the inlet auger screw of Figure 1.
Figure 3 is an isometric view of the other half of the section of Figure 2.
Figure 4 is a cross-sectional view along the lines 4-4 o~ Figure l.
In the drawings like~ characters of reference indicate corresponding parts in the dlfferent figures. :
DETAILED DESCRIPTION
The auger shown in Figure 1 comprises a main auger section 10 with a main auger helical fli:ght 11 carrie,d on a tube 111 screwed to a shaft l2 for co-rota-tion with the shaft which is driven by the drive shaft 131 of a motor schematically indicated at 130 The hel-ical screw 11 is of con~entional construction and: hence : ~
.
.
~ 120~
no details will be given here and is received within a tube or cylinder 14 through which the material is conveyed to a discharge outlet (not shown) at the upper end of the cylinder 14.
At the lower end of the cylinder 14 is provided an auger cage 15 comprising a U shaped support member 16 the legs of which are secured to the outer surface of the cylinder 14 so as to provide a support for bearings 17 for the end of the shaft 12. The shaft and auger screw at the inlet end is therefore exposed at either side of the U-shaped cage 16 to allow the material to be engaged by the auger screw and carried into the main auger section for transport.
As opposed to the single helical screw used in the main auger section, the inlet section includes two separate helical flights 18 and 10. The auger section forming the inlet section is formed from three separate : sections separated at joins 20 and 21 so as to ~orm three equal sections one of which is shown in~Figures 2 and 3.
2a Each section is formed from two~separate halves with the halves being exactly the same as shown in Figures 2 and 3. Each half section is formed ~rom an injection mou~lded plastics materlal so as to form a flrst half flight 18 and a second hal:f~ ~light 19 integral with :
.. .
lZ~O~
a tube 22 which runs the full length of the section so as to define shoulders at the ends of the section for abutting the adjacent section or for abutting a collar which may be provided on the shaft for locating the sections axially of the shaft.
The inside diameter of the tube is substantial-ly the same as the outside diameter of the shaft 12 so that when the two halves of the section are placed together they substantially surround the shaft 12. How-ever in order to ensure that the inner surface of the tube 22 frictionally contacts the outer surface of the shaft 12, either the inside diameter of the tube 22 is slightly less than the outside diameter of the shaft or the radial extent of the half of the tube is slightly less than 180~. In this way when the two halves are put together they do not completely surround the shaft~but leave a small gap which can be pulled together to clamp the halves around the shaft.
: Each half section includes two pairs of ridges or ribs 24 arranged so that each pair allgns with a pair of the opposite half in order to locate a clamp 25:which surrounds the tube 22. The clamp 25 comprises a con-ventional screw-type hose clamp which :can be unscrewed and opened to be wrapped around the tube 22 and then ' 120~
screwed up to clamp the tube 22 around the shaft 12. The spacing of the pairs of ridges 24 is arranged so they lie on either side of the screw clamp to ensure that it is properly located.
In order for the screw clamp to be passed through the flights of the auger, slots are formed in each half flight which are of a size merely sufficient to receive the thin metal section of the hose clamp 25. The slots are indicated a-t 26.
1~ The inlet auger section can therefore be very simply assembled from the six separate half sections by positioning each half section around the shaft in con-junction with i~s opposing half section and then insert-lng the hose clamps through the slots and tightening them in position between the ridges 24O The third section closest to the main auger has the final flight 191 extending into the main auger tube 14 so that the main auger flight is recessed to prevent any contact there-with. The tightness of the hose clamps 25 can be adjust-ed to obtain the required degree of friction between the inner surface of the tube 22 and the outer surface of the shaft 12 so that the required torque can be communicated to the flights 18 and 19 from the shaft 12. In addition the friction is controlled such that it is less than that ,. ~
required to cause damage to an implement inserted into the auger flights or limbs of operatives inserted into the auger flights or to the flights themselves.
It will be appreciated that the inlet auger section can be readily removed by opening the two half section relative to the shaft to remvve them from the shaft. In this regard the auger section of the present invention can be used as a retrofit or replacement item for attachment to existing augers.
The manufacture of the inlet auger section in six separ~te hal~ portions is particularly convenient and enables the individual parts to be simply moulded from a plastics material. However in alternative arrangements (not shown) it is possible to manufacture the inlet auger section in one part such that two halves can simply be opened OF hinged axially of the shaft to allow the part to be opened and inserted onto the shaft and then clamped into position. Furthermore there may be more or less than three separate sections. In addition these sections may not be made in e~actly half portlons.
Since various modifications can be ma~de in my invention as hereinabove described, and many apparently widely different embodiments of same made within the spirit and scope of the claims without departing from ~2~
such spirit and scope, it is intended that all matter contained in the accompanying speci~ication shall be interpre-ted as illustrative only and not in a limiting sense.
-:
:: "`
BACKGROUND OF THE INVENTION
:
This invention relates to an auger screw and particularly to a screw section which can be used as the intake sec-tion of the auger.
Augers for li-fting grain and other particulate material comprise a tube with a helical ~light mounted within the tube on a drive shaft by which the flight can be rotated to raise grain to the top o-f the tube or cylinder~ The bottom end of the cylinder provides an intake section at which the helical flight is exposed in order to collect the grain from a supply and inject it into the cylinder for transporta-tion by the helical flight. There are a number of proposal in prior patents for providing a slip clutch between an lntake section of the helical flight and the main section of the helical flight which is rigidly attached to the sha~t so that any equipm~nt or limbs of operatives which engage the helical ~light of the exposed intake section do not damage the helical flight or the limb or other equipment~engaging the helical -flight. However these slip clutches comprise a conslderable egpense in the manuacture of the auger :
:
.
- ~ -and also are prone to failure in the hostile atmosphere involved in transporting such particulate materials.
SUMMARY OF THE INVENTION
-It is one object of the invention therefore to provide an auger in which a section of helical flight can be attached -to a drive shaft in a manner which is simple and inexpensive and which provides an effective slip clutch arrangement.
According to a first aspect of the invention therefore there is provided an auger comprising a drive shaft, means defining a tube having an inner surface substantially co-axially surrounding the outer surface of the shaft, a helical flight secured to said tube means for co-rotation therewith, the tube means being divided axially to form two portions which can be opened apart relative to the shaft and a clamping means for closing the portions around the shaft to frictionally engage the inner surface of the two portions o~ the tube means with the outer surface of the shaft.
According to a second aspect of the invention there is provided an auger screw section for attach~ent to a drive shaft of an auger comprising means defining a tube having an inner surface for substantially co-axially surrounding an outer surfaoe of the drive shaft, a 120~1~5 helical flight secured to said tube means for co-rotation therewith, the tube means being divided a~ially to form two portions which can be opened apart relative to the sha~t and a clamping means for closing the portions around the shaft to frictionally engage the inner surface of the two portions of the tube means with the outer surface of the shaftO
The screw section can therefore be manufactured very simply in two halves by a moulding process from a plastics material. The two halves can be wrapped around the drive shaft and attached to the shaft by clamps which surround the tube passing through slots in the helical ~light. These clamps can be formed from simple conven-~tional hose clamps which can be positioned at spaced posltions along the length of the tube.
In this way an auger flight section is manu-factured in a very simple and inexpensive manner from readily available components and from a simple injecti~on mouldlng process and yet ~provides~ a~ very effectlve coupling of the section to the drive shaft.
With the foregoing in view, and other advantages as will become apparent to those skille~d in the art to which this invention relates as this speci~
cation proceeds, the inven~ion is herein~ described by : ~ : :
:: :
, ~
$~
reference to the accompanying drawings forming a part thereof, which includes a description of the best mode known to the applicant and of the preferred typical embodiment of the principles of the present invention, in which:
DESCRIPTION OF THE DRAWINGS
Figure 1 is a schematic part cross-sectional view of the inlet end of an auger showing the auger screw in plan view.
Figure 2 is an isometric view o~ half of one section of the inlet auger screw of Figure 1.
Figure 3 is an isometric view of the other half of the section of Figure 2.
Figure 4 is a cross-sectional view along the lines 4-4 o~ Figure l.
In the drawings like~ characters of reference indicate corresponding parts in the dlfferent figures. :
DETAILED DESCRIPTION
The auger shown in Figure 1 comprises a main auger section 10 with a main auger helical fli:ght 11 carrie,d on a tube 111 screwed to a shaft l2 for co-rota-tion with the shaft which is driven by the drive shaft 131 of a motor schematically indicated at 130 The hel-ical screw 11 is of con~entional construction and: hence : ~
.
.
~ 120~
no details will be given here and is received within a tube or cylinder 14 through which the material is conveyed to a discharge outlet (not shown) at the upper end of the cylinder 14.
At the lower end of the cylinder 14 is provided an auger cage 15 comprising a U shaped support member 16 the legs of which are secured to the outer surface of the cylinder 14 so as to provide a support for bearings 17 for the end of the shaft 12. The shaft and auger screw at the inlet end is therefore exposed at either side of the U-shaped cage 16 to allow the material to be engaged by the auger screw and carried into the main auger section for transport.
As opposed to the single helical screw used in the main auger section, the inlet section includes two separate helical flights 18 and 10. The auger section forming the inlet section is formed from three separate : sections separated at joins 20 and 21 so as to ~orm three equal sections one of which is shown in~Figures 2 and 3.
2a Each section is formed from two~separate halves with the halves being exactly the same as shown in Figures 2 and 3. Each half section is formed ~rom an injection mou~lded plastics materlal so as to form a flrst half flight 18 and a second hal:f~ ~light 19 integral with :
.. .
lZ~O~
a tube 22 which runs the full length of the section so as to define shoulders at the ends of the section for abutting the adjacent section or for abutting a collar which may be provided on the shaft for locating the sections axially of the shaft.
The inside diameter of the tube is substantial-ly the same as the outside diameter of the shaft 12 so that when the two halves of the section are placed together they substantially surround the shaft 12. How-ever in order to ensure that the inner surface of the tube 22 frictionally contacts the outer surface of the shaft 12, either the inside diameter of the tube 22 is slightly less than the outside diameter of the shaft or the radial extent of the half of the tube is slightly less than 180~. In this way when the two halves are put together they do not completely surround the shaft~but leave a small gap which can be pulled together to clamp the halves around the shaft.
: Each half section includes two pairs of ridges or ribs 24 arranged so that each pair allgns with a pair of the opposite half in order to locate a clamp 25:which surrounds the tube 22. The clamp 25 comprises a con-ventional screw-type hose clamp which :can be unscrewed and opened to be wrapped around the tube 22 and then ' 120~
screwed up to clamp the tube 22 around the shaft 12. The spacing of the pairs of ridges 24 is arranged so they lie on either side of the screw clamp to ensure that it is properly located.
In order for the screw clamp to be passed through the flights of the auger, slots are formed in each half flight which are of a size merely sufficient to receive the thin metal section of the hose clamp 25. The slots are indicated a-t 26.
1~ The inlet auger section can therefore be very simply assembled from the six separate half sections by positioning each half section around the shaft in con-junction with i~s opposing half section and then insert-lng the hose clamps through the slots and tightening them in position between the ridges 24O The third section closest to the main auger has the final flight 191 extending into the main auger tube 14 so that the main auger flight is recessed to prevent any contact there-with. The tightness of the hose clamps 25 can be adjust-ed to obtain the required degree of friction between the inner surface of the tube 22 and the outer surface of the shaft 12 so that the required torque can be communicated to the flights 18 and 19 from the shaft 12. In addition the friction is controlled such that it is less than that ,. ~
required to cause damage to an implement inserted into the auger flights or limbs of operatives inserted into the auger flights or to the flights themselves.
It will be appreciated that the inlet auger section can be readily removed by opening the two half section relative to the shaft to remvve them from the shaft. In this regard the auger section of the present invention can be used as a retrofit or replacement item for attachment to existing augers.
The manufacture of the inlet auger section in six separ~te hal~ portions is particularly convenient and enables the individual parts to be simply moulded from a plastics material. However in alternative arrangements (not shown) it is possible to manufacture the inlet auger section in one part such that two halves can simply be opened OF hinged axially of the shaft to allow the part to be opened and inserted onto the shaft and then clamped into position. Furthermore there may be more or less than three separate sections. In addition these sections may not be made in e~actly half portlons.
Since various modifications can be ma~de in my invention as hereinabove described, and many apparently widely different embodiments of same made within the spirit and scope of the claims without departing from ~2~
such spirit and scope, it is intended that all matter contained in the accompanying speci~ication shall be interpre-ted as illustrative only and not in a limiting sense.
-:
:: "`
Claims
(1) An auger comprising a drive shaft, means defining a tube having an inner surface substantially co-axially surrounding the outer surface of the shaft, a helical flight secured to said tube means for co-rotation therewith, the tube means being divided axially to form two portions which can be opened apart relative to the shaft and a clamping means for closing the portions around the shaft to frictionally engage the inner surface of the two portions of the tube means with the outer surface of the shaft.
(2) An auger according to Claim 1 wherein the two portions are divided along two separate lines so that the two portions can be physically separated with each portion carrying a part of the helical flight.
(3) An auger according to Claim 2 wherein each portion comprises half of the tube means and carries half of the helical flight.
(4) An auger according to Claim 1 wherein the clamp means comprises a plurality of separate clamps arranged at spaced positions along the length of the tube means.
(5) An auger according to Claim 1 wherein the clamp means surrounds the tube means.
(6) An auger according to Claim 5 wherein there is provided a slot in the helical flight through which the clamp means passes so as to fully surround the tube means without interfering with the helical flight.
(7) An auger according to Claim 1 wherein the clamp means comprises a plurality of separate clamps arranged in spaced relation along the length of the tube means and wherein there is provided a plurality of slots in the helical flight each used for receiving a respect-ive one of the clamp means so the clamp means surround the tube means.
(8) An auger according to Claim 1 including a pair of spaced shoulders provided on the tube means for positioning the clamp means an an axial location on the tube means.
(9) An auger according to Claim 1 wherein the clamp means comprises a hose clamp.
(10) An auger according to Claim 1 wherein the tube means and flight are integrally moulded from and plastics material.
(11) An auger according to Claim 1 wherein the tube means is arranged at a feed end of the auger and there is provided a further helical flight and means mounting the further helical flight on the shaft down-stream of the tube means so as to constitute a main auger section fed by the helical flight of said tube means.
(12) An auger screw section for attachment to a drive shaft of an auger comprising means defining a tube having an inner surface for substantially co-axially surrounding an outer surface of the drive shaft, a helical flight secured to said tube means for co-rotation therewith, the tube means being divided axially to form two portions which can be opened apart relative to the shaft and a clamping means for closing the portions around the shaft to frictionally engage the inner surface of the two portions of the tube means with the outer surface of the shaft.
(13) An auger screw section according to Claim 12 wherein the two portions are divided along two sep-arate lines so that the two portions can be physically separated with each portion carrying a part of the hel-ical flight.
(14) An auger screw section according to Claim 13 wherein each portion comprises half of the tube means and carries half of the helical flight.
(15) An auger screw section according to Claim 12 wherein the clamp means comprises a plurality of separate clamps arranged at spaced positions along the length of the tube means.
(16) An auger screw section according to Claim 12 wherein the clamp means surrounds the tube means.
(17) An auger screw section according to Claim 16 wherein there is provided a slot in the helical flight through which the clamp means passes so as to fully surround the tube means without interfering with the helical flight.
(18) An auger screw section according to Claim 12 wherein the clamp means comprises a plurality of separate clamps arranged in spaced relation along the length of the tube means and wherein there is provided a plurality of slots in the helical flight each used for receiving a respective one of the clamp means so the clamp means surround the tube means.
(19) An auger screw section according to Claim 12 including a pair of spaced shoulders provided on the tube means for positioning the clamp means at an axial location on the tube means.
(20) An auger screw section according to Claim 12 wherein the clamp means comprises a hose clamp.
(21) An auger screw section according to Claim 12 wherein the tube means and flight are integrally moulded from a plastics material.
(2) An auger according to Claim 1 wherein the two portions are divided along two separate lines so that the two portions can be physically separated with each portion carrying a part of the helical flight.
(3) An auger according to Claim 2 wherein each portion comprises half of the tube means and carries half of the helical flight.
(4) An auger according to Claim 1 wherein the clamp means comprises a plurality of separate clamps arranged at spaced positions along the length of the tube means.
(5) An auger according to Claim 1 wherein the clamp means surrounds the tube means.
(6) An auger according to Claim 5 wherein there is provided a slot in the helical flight through which the clamp means passes so as to fully surround the tube means without interfering with the helical flight.
(7) An auger according to Claim 1 wherein the clamp means comprises a plurality of separate clamps arranged in spaced relation along the length of the tube means and wherein there is provided a plurality of slots in the helical flight each used for receiving a respect-ive one of the clamp means so the clamp means surround the tube means.
(8) An auger according to Claim 1 including a pair of spaced shoulders provided on the tube means for positioning the clamp means an an axial location on the tube means.
(9) An auger according to Claim 1 wherein the clamp means comprises a hose clamp.
(10) An auger according to Claim 1 wherein the tube means and flight are integrally moulded from and plastics material.
(11) An auger according to Claim 1 wherein the tube means is arranged at a feed end of the auger and there is provided a further helical flight and means mounting the further helical flight on the shaft down-stream of the tube means so as to constitute a main auger section fed by the helical flight of said tube means.
(12) An auger screw section for attachment to a drive shaft of an auger comprising means defining a tube having an inner surface for substantially co-axially surrounding an outer surface of the drive shaft, a helical flight secured to said tube means for co-rotation therewith, the tube means being divided axially to form two portions which can be opened apart relative to the shaft and a clamping means for closing the portions around the shaft to frictionally engage the inner surface of the two portions of the tube means with the outer surface of the shaft.
(13) An auger screw section according to Claim 12 wherein the two portions are divided along two sep-arate lines so that the two portions can be physically separated with each portion carrying a part of the hel-ical flight.
(14) An auger screw section according to Claim 13 wherein each portion comprises half of the tube means and carries half of the helical flight.
(15) An auger screw section according to Claim 12 wherein the clamp means comprises a plurality of separate clamps arranged at spaced positions along the length of the tube means.
(16) An auger screw section according to Claim 12 wherein the clamp means surrounds the tube means.
(17) An auger screw section according to Claim 16 wherein there is provided a slot in the helical flight through which the clamp means passes so as to fully surround the tube means without interfering with the helical flight.
(18) An auger screw section according to Claim 12 wherein the clamp means comprises a plurality of separate clamps arranged in spaced relation along the length of the tube means and wherein there is provided a plurality of slots in the helical flight each used for receiving a respective one of the clamp means so the clamp means surround the tube means.
(19) An auger screw section according to Claim 12 including a pair of spaced shoulders provided on the tube means for positioning the clamp means at an axial location on the tube means.
(20) An auger screw section according to Claim 12 wherein the clamp means comprises a hose clamp.
(21) An auger screw section according to Claim 12 wherein the tube means and flight are integrally moulded from a plastics material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000440176A CA1206115A (en) | 1983-11-01 | 1983-11-01 | Auger screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000440176A CA1206115A (en) | 1983-11-01 | 1983-11-01 | Auger screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1206115A true CA1206115A (en) | 1986-06-17 |
Family
ID=4126419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000440176A Expired CA1206115A (en) | 1983-11-01 | 1983-11-01 | Auger screw |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1206115A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0291715A1 (en) * | 1987-04-30 | 1988-11-23 | The Laitram Corporation | Unitary screw conveyor apparatus |
| US4842126A (en) * | 1987-06-16 | 1989-06-27 | Mcconnell Allan R | Auger flight section |
| US5813761A (en) * | 1995-10-30 | 1998-09-29 | Anton Steinecker Maschinenfabrik Gmbh | Agitator paddle rotor for mash kettles |
-
1983
- 1983-11-01 CA CA000440176A patent/CA1206115A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0291715A1 (en) * | 1987-04-30 | 1988-11-23 | The Laitram Corporation | Unitary screw conveyor apparatus |
| US4842126A (en) * | 1987-06-16 | 1989-06-27 | Mcconnell Allan R | Auger flight section |
| US5813761A (en) * | 1995-10-30 | 1998-09-29 | Anton Steinecker Maschinenfabrik Gmbh | Agitator paddle rotor for mash kettles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |