US2658539A - Water seal for log barking drums - Google Patents
Water seal for log barking drums Download PDFInfo
- Publication number
- US2658539A US2658539A US226375A US22637551A US2658539A US 2658539 A US2658539 A US 2658539A US 226375 A US226375 A US 226375A US 22637551 A US22637551 A US 22637551A US 2658539 A US2658539 A US 2658539A
- Authority
- US
- United States
- Prior art keywords
- drum
- water seal
- log
- drums
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L1/00—Debarking or removing vestiges of branches from trees or logs; Machines therefor
- B27L1/02—Debarking or removing vestiges of branches from trees or logs; Machines therefor by rubbing the trunks against each other; Equipment for wet practice
- B27L1/025—Debarking in rotating drums
Definitions
- Logbarkingdrums of thetype to which this 1 invention relates are generally huge openended drums supported by trunnions in which run tires mounted on the-"circumference of the drum.'- Logs, stripped of branches; are dumped into the drum and the drum is rotatedso as to cause the logs to tumble about within-the drum thereby rubbing the bark-free of the log.
- the freed bark falls through openings in the side of the drum and is washedor otherwise carried free of the drum.
- one object of this invention to provide a seal for the supports'of a drummounted in a washing tank to prevent 'contact of the washing fluid with the supports.
- Another object of this invention is to provide substantially water tight compartments in the washing tank for the drum supports.
- Figure 1' is a longitudinal view, partly'insec tion; of an end portion of a'log barkingdrum.
- Fig. 3 is an end..view...of. alog .barking drum provided with a modifiedform or" the invention shown in Figure 1,
- Fig. i is a transverse view taken through Fig;
- Fig. 5 a detail of Fig. 3, shows'a side view of the flexible-sealing membersmounted on the drum, and shows their position when the members are above the surface of the water in the tank,
- Fig. 6 is a transverse view taken through Fig.
- Fig. '7 is atransverseview taken throughFigi-w.v 4 along. the line I-I and looking in the'direce tion of the arrows.
- the number l0 indicates,. generally, a log barking drum rotatably mounted on supports I2 in a washingtank 'II.
- the drum I0 shown by way of illustration-is constructed-of longitudinally disposedstaves I3 on which: are mounted hoops It spaced relative to each other along the length of the slaves I3.
- the hoops are of sufficient width to provide seal ing surfaces on their outer periphery to cooperate with-sealing elements 20 described in detail hereinafter.
- supports I2 are here illustrated in the'form of trunnions 12-, one set of trunnions being mounted on each side-of the drum IE There is, of course;
- the seal for sealing the'trunnions, or supports,- I2 from the washing fluid in the tank I I comprises wall means, the two walls I'!, extending upwardly from thebottom of the tank I I, and transversely andin parallelismacross the tank II on the opposite-sides of the'trunnions' I2.
- the upper end, or edge, surfaces I8-of the walls H are semicircular'in shape to conform with the circumferenceof the tank II.
- the Wall means I? include rigid flanges I9 secured to the edge portions of the walls H.
- the flanges I9 are also semi-circular in shape having their upper-edge surfaces conforming to, but spaced frompthe periphery of the tank II.
- the flanges I9 cooperate with-a flexible flange," g or sealing member'fifl, to prevent-the leakage of water from the tank into the space between the walls I? and into contact with the trunnions I 2.
- the sealing mem ber *2[l is a-flat; semi-circular strip of flexible material; such as rubber, secured 'at its mar ginalportion to the flange I9 by means of bolts- 28 and a binding strip 29 (see Figs. 1 and 2).
- the width of the strip of sealing material 2!] is greater than the distance between the periphery of the drum III and the free edge of Mounted on the hoop Ifil adjacent the end of the drum' lfi is an annular track,
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
Description
Nov. 10, 1953 e. F. M CLAY 2,558,539
WATER SEAL FOR LOG BARKING DRUMS Filed May 15, 1951 2 Sheets-Shawv 1 FIQ'Z ms ATTORNEY WATER SEAL. FOR LOG BARKING DRUMS 2 Sheets-Sheet 2 Filed May 15, 1951 |NVENTOR GORDON E MC CLAY HQ-J BY HIS ATTORNEY Patented Nov. 10, 1953 WATER 'SEAL FOR LOG BARKIN G DRUMS Gordon: F; McGlay,.:She1-brooke,2 Quebec, Canada, r
assignor ato-Ingersoll-Rand- Company, New York N. Y., a corporation of New'Jersey.
Application May' 15, 1951, SeriaINO. 226,375
6 Claimss-(Cl. 144-208)x- This invention relates: to: a sealing device for log barking drums andmore particularly. to a' water seal for the supports of a log barking...
drum mounted in a washing tank.
Logbarkingdrums of thetype to which this 1 invention relates are generally huge openended drums supported by trunnions in which run tires mounted on the-"circumference of the drum.'- Logs, stripped of branches; are dumped into the drum and the drum is rotatedso as to cause the logs to tumble about within-the drum thereby rubbing the bark-free of the log.
The freed bark falls through openings in the side of the drum and is washedor otherwise carried free of the drum.
Under certain circumstances it is desirable to mount the drum within a washing tank-a large -wooden' or concrete tank partially-filledwith water-to aid not only' in loosening the bark'from-the log but also to wash the bark free'of the drum. Undersuch'circumstances 1 practice has shown-that it'is-extremely-difficult to properly lubricate the trunnionsand'to keep e the bearing surfaces of the trunnions freeof dirt and grime.-
It is, accordingly, one object of this invention to provide a seal for the supports'of a drummounted in a washing tank to prevent 'contact of the washing fluid with the supports.
Another object of this invention is to provide substantially water tight compartments in the washing tank for the drum supports.-
Further objects of this invention will "be come apparent 'in' the following specification and drawings in which,
Figure 1' isa longitudinal view, partly'insec tion; of an end portion of a'log barkingdrum.
provided with a Water seal for the'drumsupports,
Fig. 2 is an end viewof the'drum shown in Fig. 1 and taken along the line 2--2 looking in the direction of. the arrows,.*=
Fig. 3 is an end..view...of. alog .barking drum provided with a modifiedform or" the invention shown in Figure 1,
Fig. i is a transverse view taken through Fig;
3 along thelines'4=4 looking in the direction of the arrows, and. shows the. turning shield for positioning the fluid seal,
Fig. 5, a detail of Fig. 3, shows'a side view of the flexible-sealing membersmounted on the drum, and shows their position when the members are above the surface of the water in the tank,
Fig. 6 is a transverse view taken through Fig.
3 alongiithe'line ii-4i and looking .in the:.di- 1 reotionof' the arrows, and: r
Fig. '7 is atransverseview taken throughFigi-w.v 4 along. the line I-I and looking in the'direce tion of the arrows.
Referring to the drawings-and more particularlyto Figures 1 and 2, the number l0 indicates,. generally, a log barking drum rotatably mounted on supports I2 in a washingtank 'II.
The drum I0, shown by way of illustration-is constructed-of longitudinally disposedstaves I3 on which: are mounted hoops It spaced relative to each other along the length of the slaves I3.
The hoops are of suficient width to provide seal ing surfaces on their outer periphery to cooperate with-sealing elements 20 described in detail hereinafter.
or tire, I5 which rides in the Supports I2. supports I2 are here illustrated in the'form of trunnions 12-, one set of trunnions being mounted on each side-of the drum IE There is, of course;
a similar set of supports and a tire at the opposite end of the drum 1 IMnot shown)-. I
Rotationis imparted to the drum II] by means I of a girth gear I6 mountedon an intermediatehoop I4 and having a driving connection with-*- amotor'tnotshown). I
In thepreferred form of the invention, the seal for sealing the'trunnions, or supports,- I2 from the washing fluid in the tank I I, comprises wall means, the two walls I'!, extending upwardly from thebottom of the tank I I, and transversely andin parallelismacross the tank II on the opposite-sides of the'trunnions' I2. The upper end, or edge, surfaces I8-of the walls H are semicircular'in shape to conform with the circumferenceof the tank II. The Wall means I? include rigid flanges I9 secured to the edge portions of the walls H. The flanges I9 are also semi-circular in shape having their upper-edge surfaces conforming to, but spaced frompthe periphery of the tank II.
The flanges I9 cooperate with-a flexible flange," g or sealing member'fifl, to prevent-the leakage of water from the tank into the space between the walls I? and into contact with the trunnions I 2. In furtherance'tothis end the sealing mem ber=*2[l is a-flat; semi-circular strip of flexible material; such as rubber, secured 'at its mar ginalportion to the flange I9 by means of bolts- 28 and a binding strip 29 (see Figs. 1 and 2). The width of the strip of sealing material 2!] is greater than the distance between the periphery of the drum III and the free edge of Mounted on the hoop Ifil adjacent the end of the drum' lfi is an annular track, The
the flange I9. Due to this construction, the seal ing elements mounted on said walls and held in 20, in its Operative position, is flexed so that sealing contactwith said sealing surfaces to pre-
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US226375A US2658539A (en) | 1951-05-15 | 1951-05-15 | Water seal for log barking drums |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US226375A US2658539A (en) | 1951-05-15 | 1951-05-15 | Water seal for log barking drums |
Publications (1)
Publication Number | Publication Date |
---|---|
US2658539A true US2658539A (en) | 1953-11-10 |
Family
ID=22848672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US226375A Expired - Lifetime US2658539A (en) | 1951-05-15 | 1951-05-15 | Water seal for log barking drums |
Country Status (1)
Country | Link |
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US (1) | US2658539A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3286746A (en) * | 1963-06-22 | 1966-11-22 | Myrens Verksted As | Bark-peeling apparatus |
FR2377602A1 (en) * | 1977-01-17 | 1978-08-11 | Andritz Ag Maschf | Rotary drum with fixed external hot liquid introduction ring - communicating with longitudinal tubes via drum wall bores (OE 15.6.78) |
-
1951
- 1951-05-15 US US226375A patent/US2658539A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
None * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3286746A (en) * | 1963-06-22 | 1966-11-22 | Myrens Verksted As | Bark-peeling apparatus |
FR2377602A1 (en) * | 1977-01-17 | 1978-08-11 | Andritz Ag Maschf | Rotary drum with fixed external hot liquid introduction ring - communicating with longitudinal tubes via drum wall bores (OE 15.6.78) |
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