US3777631A - Apparatus for forming a cylinder - Google Patents
Apparatus for forming a cylinder Download PDFInfo
- Publication number
- US3777631A US3777631A US00164557A US3777631DA US3777631A US 3777631 A US3777631 A US 3777631A US 00164557 A US00164557 A US 00164557A US 3777631D A US3777631D A US 3777631DA US 3777631 A US3777631 A US 3777631A
- Authority
- US
- United States
- Prior art keywords
- liner
- forming tube
- forming
- receiving chamber
- longitudinal slot
- 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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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C1/00—Making tubes or pipes by feeding at right angles to the winding mandrel centre line
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
- H01M50/469—Separators, membranes or diaphragms characterised by their shape tubular or cylindrical
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- ABSTRACT An apparatus for forming a cylinder is disclosed. It is useful, for example, for forming cylindrical battery can separator liners from a continuous strip of paper liner stock.
- the apparatus includes a forming tube having a receiving chamber that is defined by the inner surface of an outer tubular member and the outer surface of a central cylindrical member.
- the apparatus also includes means for sequentially positioning said forming tube at receiving and eject stations, and means for feeding the leading edge of a predetermined length of liner into said receiving chamber through a longitudinal slot in said outer tubular member.
- the outer tubular member has at least one transverse opening that is constructed to permit the extension therethrough of a friction element to engage the liner in the receiving chamber as said forming tube is moved from said receiving station toward the eject station to thereby wind the liner up into cylindrical configuration by catching the liner between the friction element and the central cylindrical member.
- ejection means ejects the liner from the forming tube, for instance, into a battery can.
- the invention relates to an apparatus for forming a cylinder, and more particularly, for forming a cylinder suitable for use as a separator liner in a battery can from strips of liner stock.
- the present invention provides an improved apparatus for forming cylindrical paper separator liners which can then be inserted in battery cans.
- the cylindrical liners can have strips of plastic film extending circumferentially around the top and/or bottom thereof.
- the apparatus of this invention enables cylindrical battery can liners to be formed from a continuous length or roll of paper having a continuous strip of plastic film on at least one longitudinal edge.
- the apparatus of the invention includes a plurality of forming tubes mounted on a rotatable turret such that the forming tubes can be moved to position them sequentially at receiving and ejecting stations by rotating the turret.
- the forming tube includes a receiving chamber having an annular cross section.
- the receiving chamber is defined by the inner surface of an outer tubular member, and the outer surface of a central cylindrical member.
- a predetermined length of liner is partially inserted into said receiving chamber through a longitudinal slot in the outer tubular member.
- the turret is rotated to move the forming tube past at least one stationary friction member, such as a friction cam, which is arranged and constructed to extend through a transverse opening in the outer tubular member.
- the liner in the receiving chamber is caught between the stationary friction member and the central cylindrical member, and is wound up into cylindrical configuration as the forming tube passes the stationary friction member. After the liner has been wound up into cylindrical configuration, it is ejected from the forming tube into a battery can.
- FIG. 1 is a schematic, perspective view of an apparatus constructed in accordance with the principles of the invention
- FIG. 2 is a side elevational view of the apparatus of FIG. 1;
- FIG. 3 is a front elevational view of the same apparatus
- FIG. 4 is a top plan view of the same apparatus
- FIG. 5 is a partially sectioned, top plan view of the turret assembly, showing the forming tube in greater detail;
- FIG. 6 is a front view of the turret assembly
- FIG. 7 is a side elevational view of the paper liner feed assembly
- FIG. 8 is a partly sectional view taken along the line 88 in FIG. 7;
- FIG. 9 is a partially cross-sectional view taken along the line 99 in FIG. 8;
- FIG. 10 is a partially cross-sectional view taken along the line l0l0 in FIG. 7;
- FIGS. 11 through 18 are fragmentary views of the same portion of the apparatus showing the forming tube, liner cutter, and lower part of the liner feed assembly at various stages in their cycle of operation;
- FIG. 19 is a perspective view of the forming tube with part being broken away and shown in cross section to illustrate its construction in greater detail;
- FIG. 20 is a schematic view showing the liner at various stages in the operation of the apparatus.
- FIG. 21 is a cross-sectional, partially schematic view of the forming tube and friction cam, illustrating the operation of winding the liner into cylindrical configuration.
- a coil of liner stock 21 is provided as the source from which liner is fed into the apparatus.
- the liner stock 21 is composed of a continuous strip of paper 22 bonded, as by heat sealing, to a continuous strip of plastic film 23.
- the liner stock 21 is partially fed into a forming tube (FIG. 19), and is cut to the proper length.
- the cut liner 24 is then rolled up into a cylinder as the forming tube is moved away from the receiving station. Subsequently, at an eject station the rolled up cylindrical liner 24 is ejected from the forming tube into a battery can 51.
- FIGS. 1 through 4 an apparatus constructed in accordance with the principles of the invention is shown.
- the apparatus includes front, middle, and rear vertical frame members 26, 27 and 28, respectively (see FIG. 2).
- a turret shaft 29 extends from the rear of the apparatus through the rear, middle, and front vertical frame members 28, 27, and 26 to the front of the apparatus.
- the turret shaft 29 is enclosed in a stationary sleeve 30 mounted between the middle and front vertical frame members 27 and 26, and extends to the front of the apparatus.
- a rotatable'turret which is indicated generally as 31.
- the turret 31 is shown in greater detail in FIGS. 5 and 6.
- the rotatable turret 31 includes a front turret plate 32 which is operatively connected to the turret shaft 29, and a rear turret plate 33, which is rotatably mounted on the stationary sleeve 30.
- the front turret plate 32 is composed of a face plate 86 and a mounting plate 87.
- Four cylindrical forming tubes, shown generally as 25, are mounted on.the turret 31, and extend from the rear turret plate 33 to the front turret plate 32.
- the forming tubes 25 are attached to the turret plates 32 and 33 by conventional means, as by bolts 88 and hold down plates 89.
- the forming tubes 25 have an outer tubular member 34 having an annular cross section. Included within the outer tubular member 34 is a sleeve 35, which is rotatably mounted on a central mandrel 67 that extends the entire length of the forming tube 25. The inner surface of the outer tubular member 34 is spaced apart from the outer surface of the sleeve 35, so as to define a receiving chamber 36 having an annular cross section between the outer tubular member 34 and the sleeve 35.
- the mandrel 67, sleeve 35, receiving chamber 36, and outer tubular member 34 are preferably, but not necessarily, concentric with each other and with the longitudinal axis of the forming tube 25.
- the outer tubular member 34 has a longitudinal slot 37 extending through said member 34 and communicating with the receiving chamber 36.
- the longitudinal slot 37 is preferably tangential. to said receiving chamber 36 as shown in the drawings so that the liner stock 21 being fed through said slot 37 into the receiving chamber 36 will extend down into the receiving chamber 36 on the desired side of the sleeve 35.
- the outer tubular member 34 also has a pair of spaced transverse openings 38 which extend through said outer tubular member 34 and communicate with the receiving chamber 36.
- FIGS. 11 through 18 the several stages in the liner feeding operation are shown.
- the alignment of the various parts prior to the feeding operation is shown in FIG. 11.
- the forming tube 25 is moving into receiving position at a receiving station such that the longitudinal slot 37 is directly below the leading edge 39 of a continuous strip of liner stock 21, as is shown in FIG. 12.
- the liner stock 21 extends downwardly through a liner feed assembly 40.
- the other principal parts involved in the liner feeding operation include a guide plate 41, a guide bar 42, a stationary cutter blade 43, and a movable cutter blade 44.
- the guide bar 42 is advanced into the position shown in FIG.
- the movable cutter blade 44 is retracted.
- the guide plate 41 and liner stock 21 then begin to descend, as is shown in FIG. 13.
- the leading edge 39 of the liner stock 21 is guided into the longitudinal slot 37 by passing between the guide plate 41 and the guide bar 42.
- the guide plate 41 stops descending when it reaches the position shown in FIG. 14.
- the liner 21 continues its descent until the liner 21 has been inserted at least to an position and the movable cutter blade 44 begins its stroke.
- the guide bar 42 retracts and is fully retracted by the time the movable cutter blade 44 engages the stationary cutter blade 43 and shears the liner stock 21 into a liner 24 of a predetermined length (FIG. 17).
- the forming tube 25 indexes away from the receiving station (FIG. 18).
- the turret 31 is rotated in a clockwise direction (looking at FIGS. 1 and 6) such that two friction cams 45 reach through the spaced transverse openings 38 in the outer tubular member 34 of the forming tube 27.
- the liner 24 in the receiving chamber 36 is caught between the friction cams 45 and the sleeve 35, and is thereby rolled up into a cylinder. This operation is shown schematically in FIG. 21.
- the friction cams 45 are mounted on the stationary sleeve 30 behind the front turret plate 32 in such a position that they line up with the spaced transverse openings 38 in the outer tubular member 34 of the forming tube 25.
- the friction cams 45 are attached to the stationary sleeve 30 by a pair of split collars 46.
- the cams 45 are pivotally attached to the split collars 46 at a pivot point 47 by a pivot mounting arm 48.
- the cams 45 are spring loaded outwardly by a spring 49 to press against the liner 24 and sleeve 35 in the forming tube 25.
- a stop 50 is provided to prevent the friction cams 45 from pivoting outwardly too far when they are not engaging a liner 24 in one of the forming tubes 25.
- the liner 24 in the receiving chamber 36 is completely rolled up into a cylinder.
- the turret 31 is then rotated clockwise so that the forming tube 25 is indexed to an eject station where the cylindrical liner 24 is ejected from the forming tube 25 into a cylindrical battery can 51 (having a diameter larger than the liner 24), as is shown in FIGS. 1 and 20.
- Battery cans 51 into which the liners 24 are inserted, are indexed into receiving position at said eject station by conventional conveying means.
- the battery cans 51 are held in receiving position at the eject station by the spring loaded clamp 81 shown in FIG. 2.
- the liner stock 21 is fed through the liner feed assembly 40 into the forming tube 25.
- the operation of the liner feed assembly 40 is shown most clearly in FIGS. 7, 8, and 9.
- the liner stock 21 is fed into the paper feed assembly 40 through a feed channel 52 (FIG. 9).
- the feed channel 52 is described by a back plate 53, the guide plate 41, and a pair of side guide strips 54.
- the side guide strips 54 and front guide plate 41 are held in position by a pair of retaining strips 90.
- a portion of the liner feed assembly 40 is adapted to reciprocate vertically in response to the motion of the paper feed assembly linkage 55 (see FIGS. 1-4). The operation of which is explained blow.
- This vertically reciprocating portion includes feed gripping fingers 56 which are spring loaded to pull the liner stock 21 downwardly when the feed gripping fingers 56 descend, but which are constructed so as to slide over the liner stock 21 when the fingers 56 ascend.
- a stationary upper gripping finger 57 is spring loaded so as to permit the liner stock 21 to slide downwardly when the liner stock 21 is pulled downwardly by the feed gripping fingers 56, but to prevent the liner stock 21 from moving upwardly when the feed gripping fingers 56 are ascending.
- the feed gripping fingers 56 and the upper gripping finger 57 extend through vertical slots 85 (FIG. 7) in the guide plate 41 to gain access to the feed channel 52 and engage the liner stock 21.
- the guide plate 41 is constructed so as to reciprocate vertically during the same cycle as the feed gripping fingers 56, but through a shorter stroke.
- the guide plate 41 has a vertically oriented slide bar 58 integrally fastened on the front of the guide plate 41.
- the two pairs of notches 59 and 60 engage a pair of opposed spring loaded drive teeth 61, which are arranged and constructed to reciprocate vertically with the same cycle and stroke as the feed gripping fingers 56.
- the drive teeth 61 are meshed with the upper notches 59, and drive the slide bar 58 (and hence the guide plate 41) downwardly with the feed gripping fingers 56.
- the downward motion of all of these parts continues until the slide bar 58 strikes a lower stop 62, which prevents the slide bar 58 and guide plate 41 from descending further.
- the guide plate 41 is in its fully descended position as shown in FIG. 14.
- the feed gripping fingers 56 continue to descend to continue feeding the liner stock 21 until the liner stock 21 is inserted in the forming tube 25 to the extent shown in FIG 15.
- the spring loaded drive teeth 61 disengage from the upper notches 59 and slide down the sides of the slide bar 58, until the teeth 61 engage the lower notches 60, at the bottom of the stroke of the feed gripping fingers 56.
- the feed gripping fingers 56 and the drive teeth 61 then begin their upward motion, and the slide bar 58 and guide plate 41 are carried upward until the slide bar 58 strikes an upper stop 63.
- the feed gripping fingers 56 and drive teeth 61 continue their upward motion, as the drive teeth 61 disengage from the lower notches 60 and slide over the sides of the slide bar to the upper notches 59, at which point the uppermost part of the cycle is reached.
- the cycle then repeats itself, as the next length of liner stock 21 is feed into the next forming tube 25.
- the feed gripping fingers 56 and the spring loaded drive teeth 61 are both attached to a pair of side blocks 82, as shown in FIGS. 7 and 8.
- the side blocks 82 are attached to a back block 83, which (as is shown in FIG. 8) slides up and down on a pair of guide rods 84.
- this whole assembly reciprocates vertically as a unit in response to the motion of the liner feed assembly linkage 55 (discussed below).
- the means for ejecting the rolled up liner 24 from the receiving chamber 36 into the battery can 51 atthe eject station is shown most clearly in FIGS. 1, 2, 5 and 19.
- the forming tube 25 includes an eject bushing 64, eject drive pin 65, and an eject sleeve 66, which are normally positioned behind the receiving chamber 36, as shown in FIG. 19.
- the liner 24 is ejected by a for- To summarize the operation of the liner feed assemward movement of the eject sleeve 66, which slides into the receiving chamber 36 all the way to the front of the forming tube 25.
- the eject sleeve 66 is driven by the eject bushing 64 through the eject drive pin 65.
- the eject bushing 64 is driven by means that will be explained below.
- the apparatus of the invention can be driven from the main drive shaft 68 of a conventional cell assembly machine.
- Such conventional machines are described, for instance, by M. Orlando et al, in US. Pat. No. 2,962,844.
- the power for driving the apparatus of the invention can be taken from the main drive shaft 68 through a bevel gear set 69.
- the bevel gear set 69 drives an input shaft 70.
- the input shaft 70 turns a Geneva driver 71, which in turn drives a conventional Geneva driven member 72.
- any other conventional type of indexing mechanism can be used in place of the Geneva gear set.
- the Geneva driven member 72 revolves the turret shaft 29, which in turn revolves the rotatable turret 31.
- the input shaft 70 also revolves a slide cam 73.
- the slide cam 73 engages a cam follower 74 on a cam block 75 which, through an appropriate linkage 55, operates the paper feed assembly 40.
- the cam block 75 is also operatively connected by a pair of rods 76 to an ejector block 77, which has a vertical engaging member 78 for engaging the eject bushing 64 on the forming tube 25 to move the eject bushing 64 back and forth to effect the liner eject operation, as explained above.
- the input shaft 70 also rotates a cutter cam 79.
- the cutter cam 79 operates the movable cutter blade 44 and the guide bar 42 through a suitable cutter linkage 80.
- the power to drive the apparatus can come from the main cam shaft of a cell assembly machine.
- This main drive shaft drives an input shaft, which powers all of the operations of the apparatus.
- the interrupted rotation of the turret is driven from the input shaft by way of a Geneva drive or other similar indexing mechanism.
- the input shaft also drives cam shafts to operate the liner feed, liner cutting, and liner ejecting operations.
- the apparatus is an assembly that can be attached to a conventional assembly machine at the liner loading station.
- the apparatus includes means for feeding predetermined lengths of liner into a forming tube.
- the forming tube is mounted on a rotatable turret that is adapted to index the forming tube to a receiving station, to move it from the receiving station to a second station, and to index the tube to a liner eject station.
- the forming tube includes an outer tubular member and a central mandrel inside of and concentric with the outer tubular'member. In the front portion of the forming tube, the mandrel has a sleeve rotatably mounted thereon.
- the outer tubular member has a longitudinal slot communicating with the receiving chamber and tangential therewith.
- the outer tubular member also has a pair of 7 spaced transverse openings communicating with the receiving chamber.
- a predetermined length of liner is partially inserted in the receiving chamber through the longitudinal slot in the outer tubular member.
- the turret is rotated to move the forming tube past a pair of friction cams that line up with the said transverse openings.
- the friction cams extend through the transverse openings and engage the liner and sleeve.
- the liner is caught between the friction cams and the sleeve, and is rolled up into a cylinder as the forming tube moves past the friction cams.
- the forming tube is indexed to an eject station, and the liner is ejected from the forming tube into a battery can that has been indexed into a receiving position at the eject station.
- the forming tube is then indexed back to the receiving station to start the cycle again.
- An apparatus for forming a cylinder which includes:
- a forming tube having a longitudinal axis and a receiving chamber having an annular cross section, said receiving chamber being defined by the inner surface of an outer tubular member and the outer surface of a central cylindrical member, wherein said outer tubular member has a longitudinal slot substantially parallel to said longitudinal axis and communicating with said receiving chamber, and wherein said outer tubular member has at least one transverse opening communicating with said receiving chamber, said transverse opening being substantially perpendicular to said longitudinal axis;
- said means for inserting the leading edge of said predetermined length of cylinder forming material through said longitudinal slot into said receiving chamber includes:
- a feed channel having a front, back, two sides, and an outlet
- said means for guiding said leading edge of said cylinder forming ma- 25 terial into said longitudinal slot includes:
- a guide plate comprising the front of said feed channel and adapted to reciprocate between a first position and a second position, wherein said guide plate moves from said first position to said second position during at least part of the time that said material is moving through said feed channel, and wherein said guide plate guides the leading edge of said material into said longitudinal slot when said guide plate is in the second position.
- the means for cutting said material into lengths equal to said predetermined length comprises a movable cutter blade and a stationary cutter blade, the stationary cutter blade being adjacent to said outlet, wherein the movable cutter blade is adapted to reciprocate in a direction transverse to the direction of movement of said material through said feed channel, and to cut said material by engaging said stationary cutter blade.
- said means for guiding said leading edge of said material into said longitudinal slot includes a guide member having a guiding surface, said guide member being positioned at a guiding position adjacent to said longitudinal slot when said forming tube is in receiving position at said receiving station, whereby said leading edge of said material is guided into said longitudinal slot by passing between said guide plate and said guiding surface of said guide member.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Making Paper Articles (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16455771A | 1971-07-21 | 1971-07-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3777631A true US3777631A (en) | 1973-12-11 |
Family
ID=22595043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00164557A Expired - Lifetime US3777631A (en) | 1971-07-21 | 1971-07-21 | Apparatus for forming a cylinder |
Country Status (2)
Country | Link |
---|---|
US (1) | US3777631A (en) |
CA (1) | CA973694A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3883388A (en) * | 1971-12-20 | 1975-05-13 | Owens Illinois Inc | Machine for producing a plastic-covered glass container |
US3908525A (en) * | 1972-02-18 | 1975-09-30 | Victor G Ristvedt | Coin wrapper forming apparatus |
US4226171A (en) * | 1977-07-15 | 1980-10-07 | Michael Cuffe | Manufacture of paper tubes |
US4642083A (en) * | 1985-07-12 | 1987-02-10 | Hauni-Richmond, Inc. | Method and apparatus for making and manipulating inner tubes for use in dry cells or the like |
US6203309B1 (en) * | 1998-08-10 | 2001-03-20 | Wagner Spray Tech Corporation | Apparatus for embossing paint rollers |
US6419475B1 (en) | 1997-04-11 | 2002-07-16 | Wagner Spray Tech Corporation | Apparatus for treating paint roller covers |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1511693A (en) * | 1922-06-13 | 1924-10-14 | Int Paper Co | Machine for making tubular containers |
US2697387A (en) * | 1951-04-27 | 1954-12-21 | Daystrom Inc | Apparatus for winding tubes |
US2728275A (en) * | 1955-12-27 | Machine for making fibre drums | ||
US3252387A (en) * | 1962-09-04 | 1966-05-24 | Owens Illinois Inc | Apparatus for fabricating tube bodies |
-
1971
- 1971-07-21 US US00164557A patent/US3777631A/en not_active Expired - Lifetime
-
1972
- 1972-06-14 CA CA144,650A patent/CA973694A/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2728275A (en) * | 1955-12-27 | Machine for making fibre drums | ||
US1511693A (en) * | 1922-06-13 | 1924-10-14 | Int Paper Co | Machine for making tubular containers |
US2697387A (en) * | 1951-04-27 | 1954-12-21 | Daystrom Inc | Apparatus for winding tubes |
US3252387A (en) * | 1962-09-04 | 1966-05-24 | Owens Illinois Inc | Apparatus for fabricating tube bodies |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3883388A (en) * | 1971-12-20 | 1975-05-13 | Owens Illinois Inc | Machine for producing a plastic-covered glass container |
US3908525A (en) * | 1972-02-18 | 1975-09-30 | Victor G Ristvedt | Coin wrapper forming apparatus |
US4226171A (en) * | 1977-07-15 | 1980-10-07 | Michael Cuffe | Manufacture of paper tubes |
US4642083A (en) * | 1985-07-12 | 1987-02-10 | Hauni-Richmond, Inc. | Method and apparatus for making and manipulating inner tubes for use in dry cells or the like |
US6419475B1 (en) | 1997-04-11 | 2002-07-16 | Wagner Spray Tech Corporation | Apparatus for treating paint roller covers |
US20020110613A1 (en) * | 1997-04-11 | 2002-08-15 | Wakat Design Systems, Inc. | Apparatus for patterning paint roller covers |
US6203309B1 (en) * | 1998-08-10 | 2001-03-20 | Wagner Spray Tech Corporation | Apparatus for embossing paint rollers |
US6503437B1 (en) | 1998-08-10 | 2003-01-07 | Wagner Spray Tech Corporation | Method for embossing paint rollers |
Also Published As
Publication number | Publication date |
---|---|
DE2235111B2 (en) | 1976-07-01 |
CA973694A (en) | 1975-09-02 |
DE2235111A1 (en) | 1973-02-15 |
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Owner name: MORGAN GUARANTY TRUST COMPANY OF NEW YORK, AND MOR Free format text: MORTGAGE;ASSIGNORS:UNION CARBIDE CORPORATION, A CORP.,;STP CORPORATION, A CORP. OF DE.,;UNION CARBIDE AGRICULTURAL PRODUCTS CO., INC., A CORP. OF PA.,;AND OTHERS;REEL/FRAME:004547/0001 Effective date: 19860106 |
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Owner name: UNION CARBIDE CORPORATION, Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:MORGAN BANK (DELAWARE) AS COLLATERAL AGENT;REEL/FRAME:004665/0131 Effective date: 19860925 |