US3529336A - Applicator roll - Google Patents
Applicator roll Download PDFInfo
- Publication number
- US3529336A US3529336A US760820A US3529336DA US3529336A US 3529336 A US3529336 A US 3529336A US 760820 A US760820 A US 760820A US 3529336D A US3529336D A US 3529336DA US 3529336 A US3529336 A US 3529336A
- Authority
- US
- United States
- Prior art keywords
- applicator
- cloth
- roller
- cylinder
- gumming
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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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
-
- 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
-
- 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
-
- 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
- Y10T83/4766—Orbital motion of cutting blade
- Y10T83/4795—Rotary tool
- Y10T83/483—With cooperating rotary cutter or backup
- Y10T83/4838—With anvil backup
- Y10T83/4841—With resilient anvil surface
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/929—Tool or tool with support
- Y10T83/9309—Anvil
- Y10T83/9312—Rotatable type
Definitions
- a profiled gum applicator used to apply sections of latex to envelopes, bags and other articles consists of a plate of soft polyvinyl chloride having raised portions upon one side. A wax cloth or other suitable cloth covers the other side.
- the applicator is affixed to a cylinder of a gumming machine, rollers being provided to transfer an adhesive from a trough to the raised portions of the applicator, while articles are conveyed past the cylinder in adhesive transferring contact with the applicator.
- a wax cloth is used to carry the plate. Otherwise a pair of clamps may be used for holding the ends of a cloth upon the cylinder. If the shaft of the cylinder is open on one side, the ends of the cloth can be joined to form a sleeve which can be slid over the cylinder and secured thereto by a clamp.
- This invention relates to applicators used to apply adhesives, such as strips of latex to envelopes, fiat bags, cards and the like.
- the present invention is concerned with profiled gum applicators mounted on cylinders and having raised portions applying to the articles latex which they receive from a roller in the form of a layer of predetermined thickness.
- profiled gum applicators mounted on cylinders and having raised portions applying to the articles latex which they receive from a roller in the form of a layer of predetermined thickness.
- applicators is one wherein two suitably located strips of latex are applied to produce a so-called self-sealing envelope or bag.
- An object of the present invention is the provision of a profiled gum applicator capable of applying latex of simple and most effective construction.”
- Another object is the provision of means suitably and effectively supporting the gum applicator so as to adapt it to high speed modern machines.
- the gum applicator of an elastic and thermoplastic material, since natural and synthetic rubber cannot be used for the application of latex.
- the material which was found to be most suitable is soft polyvinyl chloride having a hardness of about 20-25 Shore to which drying latex does not adhere.
- the applicator is produced by initially shaping a thin strip of sheet metal in conformity with the desired shape of the applicator and its raised portions. Then this strip is used in a heated vulcanizing press to produce in a pattern mat a mold or matrix having a cavity or cavities corresponding to the required raised pattern. Then the sheet of polyvinyl chloride is placed on the martrix and is embossed in a vulcanizing press.
- the wax cloth makes it possible to glue the applicator upon the gumming cylinder. However, in many instances it is advisable to clamp the applicator to the cylinder instead of gluing it. In that case an ordinary cotton or linen cloth may be used the ends of which are extended beyond the applicator, a pair of clamps being used to hold the cloth. If the gumming cylinder has a flying axle so that it is open on one end, the ends of the cloth may be joined to form a sleeve which is then slid over the gumming cylinder and secured thereto by a clamp. In the machine the gumming cylinder is used in combination with an intermediate roller and and a roller dipping into a trough. The speeds of the rollers must be set to prevent latex from foaming in the through.
- FIG. 1 is a plan view of a profiled gum applicator.
- FIG. 2 is a section along the line II-Il of FIG. l. ⁇
- FIG. 3 shows a flat bag provided with latex strips by means of the applicator of the present invention.
- FIG. 4 is a side view of a gumming cylinder having two clamps for holding the applicator.
- FIG. 5 is a side view of a gumming cylinder carrying a cloth upon which the applicator is fixed.
- FIG. 6 shows in side view, partly in section, a mechanism for actuating the gumming cylinder.
- FIG. 7 is a side view of a somewhat differently constructed actuating mechanism.
- the proled gum applicator shown in FIGS. l and 2 consists of a strip 2 of polyvinyl chloride provided with raised gum-applying portions 1 and connected to a piece of cloth 3. If wax cloth is used, its cloth side is firmly attached to the applicator 2. The edges of the Wax cloth are usually trimmed to correspond to the edges 4 of the applicator 2.
- the cloth may extend on opposite sides beyond the applicator, as shown in FIG. 1.
- the raised gum-applying portions 1 of the applicator may be used for applying latex strips 1 upon a flat bag 5 shown in FIG. 3, so as t0 produce a so-called self-sealing closure.
- the applicator of the present invention has the advantage that the thickness of the layer of latex applied over the bag 5 is substantially uniform even if the bag may have two layers of paper on one location and three layers of paper upon another location.
- the applicator may be glued to the cylinder.
- the applicator is attached to a gumming roller 6 by two clamps 7 and 8 consisting of elongated bodies fitting into a recess 10 provided in the roller 6 and firmly fixed thereto by screws 9.
- the cloth 3 extends beyond the applicator 2 and has ends fitting into the recess 10 and firmly held therein by the clamps 7 and 8.
- This method of -tixing the applicator is used when' the shaft carrying the gumming roller has bearings at both ends.
- the construction shown in FIG. 5 can be used, wherein the ends of the cloth 3 carrying the applicator 2 are joined to form a sleeve 11.
- the sleeve 11 is of such diameter that it can be conveniently slid over a gumming roller 12. Then a clamp 13 fitting into a recess of the roller 12 is used to secure the applicator firmly upon the gumming roller.
- FIG. 6 shows the manner of actuating the gumming roller 14.
- the adhesive applicator 2 is secured to the roller or drum 14 by means of sticky tapes bearing adhesive on both sides.
- the adhesive sticks securely to the cylinder 14 and to the polyacrylester coating so that the applicator is firmly secured to the drum with the raised pattern 1 projecting radially outwards.
- the drum 14 is engaged by a driven roller 15 which in turn is engaged by a roller 16 which is partially submerged in a trough 17 of adhesive.
- Below the drum is a pressure roller 18 and there is a conveyor table 19, 20 on either side of the nip between the drum and the pressure roller.
- the drum 14 rotates and a thin lm of adhesive is transferred from the trough 17 through the rollers 16 and 15 to the raised parts of the adhesive applicator which transfers it to articles, such as envelopes, passed between the drum 14 and the pressure roller 18.
- FIG. 7 The construction shown in FIG. 7 was found to be most convenient in actual practice. It includes a large trough 21 transmitting adhesive to a dip roller 22.
- the roller 22 meshes with an intermediate roller 23 which is coaxial with a roller 24 meshing with the gumming roller 25 coaxial with the dip roller 22.
- An advantage of this construction is that it is possible to keep the dip roller 22 at a low speed in order to prevent latex in the trough 21 from foaming.
- the circumferential speed of the intermediate roller 23 should be at least closely equal to the circumferential speed of the applicator.
- a profiled gum applicator for applying sections of latex to various articles comprising:
- a laminate including (a) a sheet of soft polyvinyl chloride polymer having raised portions upon one side thereof; (b) a layer of cotton cloth bonded to and covering the other side of said sheet and extending beyond each of a pair of opposed ends of said sheet;
- said cylinder having a recess and two clamp means disposed in said recess;
- a profiled gum applicator for applying sections of latex to various articles comprising:
- (l) a laminate including (a) a sheet of soft polyvinyl chloride polymer having raised portioins upon one side thereof;
- a gumming cylinder having a recess and a clamp means located in said recess;
Landscapes
- Laminated Bodies (AREA)
Description
Sept. 22, 1970 R. WINKLER ETAL 3,529,336
l APPLICATOR aou. Y
Filed sept. 19, 1968 1 s sheets-sheet 1 FIG.|A
FleQ?,
INVENTORS R. WINKLER K. DUNNEBIES ATTORNEYS Sept. 22, 1970 l R.w|NKLER ET'AL l 13,529,336k
APPLI CA'IOR R OLL Filed Sept. 19, 1968 5 Sheets-Sheet 2 INVENTORS ,Q/cHA/QD w/NKLE/z 6,
ATTORNEYS R. wlNKLER ET AL 3,529,336
sept. z2, 197,0
KURT DUA/A/EB/EIZ A froze/ve@ United States Patent O 3,529,336 APPLICATOR ROLL Richard Winkler, Burgcrmeister-Wink Strasse, Rengsdorf, Germany, and Kurt Dnnnebier, Am Birkenhang 5451, Gladbach, Germany Continuation-impart of application Ser. No. 584,764, Oct. 6, 1966. This application Sept. 19, 1968, Ser. No. 760,820
Int. Cl. B21b 31/08; B41n 7/00 U.S. Cl. 29--132 2 Claims ABSTRACT F THE DISCLOSURE A profiled gum applicator used to apply sections of latex to envelopes, bags and other articles, consists of a plate of soft polyvinyl chloride having raised portions upon one side. A wax cloth or other suitable cloth covers the other side. The applicator is affixed to a cylinder of a gumming machine, rollers being provided to transfer an adhesive from a trough to the raised portions of the applicator, while articles are conveyed past the cylinder in adhesive transferring contact with the applicator. It the applicator is to be affixed to the cylinder by glue, a wax cloth is used to carry the plate. Otherwise a pair of clamps may be used for holding the ends of a cloth upon the cylinder. If the shaft of the cylinder is open on one side, the ends of the cloth can be joined to form a sleeve which can be slid over the cylinder and secured thereto by a clamp.
This invention relates to applicators used to apply adhesives, such as strips of latex to envelopes, fiat bags, cards and the like.
The present application is a continuation-in-part of our co-pending patent application Ser. No. 584,764, filed Oct. 6, 1966, now Pat. No. 3,417,694.
Specifically, the present invention is concerned with profiled gum applicators mounted on cylinders and having raised portions applying to the articles latex which they receive from a roller in the form of a layer of predetermined thickness. Among the many uses of such applicators is one wherein two suitably located strips of latex are applied to produce a so-called self-sealing envelope or bag.
An object of the present invention is the provision of a profiled gum applicator capable of applying latex of simple and most effective construction."`
Another object is the provision of means suitably and effectively supporting the gum applicator so as to adapt it to high speed modern machines.
Other objects of the present invention wil become apparent in the course of the following specification.
In the accomplishment of the objectives of the present invention it was found desirable to make the gum applicator of an elastic and thermoplastic material, since natural and synthetic rubber cannot be used for the application of latex. The material which was found to be most suitable is soft polyvinyl chloride having a hardness of about 20-25 Shore to which drying latex does not adhere.
As is described in greater detail in the above-mentioned patent, the applicator is produced by initially shaping a thin strip of sheet metal in conformity with the desired shape of the applicator and its raised portions. Then this strip is used in a heated vulcanizing press to produce in a pattern mat a mold or matrix having a cavity or cavities corresponding to the required raised pattern. Then the sheet of polyvinyl chloride is placed on the martrix and is embossed in a vulcanizing press.
Practical experience with these applicators has shown that there is substantial difficulty in gluing them to rotary 3,529,336 Patented Sept. 22, 1970 gumming cylinders since no conventional adhesive will adhere to them. In accordance with the present invention this difficulty was solved by applying a piece of wax cloth or the like to the sheet of polyvinyl chloride as it is being placed on the matrix. This wax cloth consists of a cotton cloth one side of which is coated with polyacrylester or the like. The opposite uncoated side has the roughness of the cloth. This wax cloth is placed upon the sheet of polyvinyl chloride with the rough side facing the sheet. Then the sheet carrying the cloth is treated in the vulcanizing press and is removed with the matrix. After cooling, the applicator is pulled off the matrix.
The provision of the wax cloth makes it possible to glue the applicator upon the gumming cylinder. However, in many instances it is advisable to clamp the applicator to the cylinder instead of gluing it. In that case an ordinary cotton or linen cloth may be used the ends of which are extended beyond the applicator, a pair of clamps being used to hold the cloth. If the gumming cylinder has a flying axle so that it is open on one end, the ends of the cloth may be joined to form a sleeve which is then slid over the gumming cylinder and secured thereto by a clamp. In the machine the gumming cylinder is used in combination with an intermediate roller and and a roller dipping into a trough. The speeds of the rollers must be set to prevent latex from foaming in the through.
The invention will appear more clearly from the following detailed description when taken in connection with the accompanying drawings, showing by way of example, preferred embodiments of the inventive idea.
In the drawings:
FIG. 1 is a plan view of a profiled gum applicator.
FIG. 2 is a section along the line II-Il of FIG. l.`
FIG. 3 shows a flat bag provided with latex strips by means of the applicator of the present invention.
FIG. 4 is a side view of a gumming cylinder having two clamps for holding the applicator.
FIG. 5 is a side view of a gumming cylinder carrying a cloth upon which the applicator is fixed.
FIG. 6 shows in side view, partly in section, a mechanism for actuating the gumming cylinder.
FIG. 7 is a side view of a somewhat differently constructed actuating mechanism.
The proled gum applicator shown in FIGS. l and 2 consists of a strip 2 of polyvinyl chloride provided with raised gum-applying portions 1 and connected to a piece of cloth 3. If wax cloth is used, its cloth side is firmly attached to the applicator 2. The edges of the Wax cloth are usually trimmed to correspond to the edges 4 of the applicator 2.
If clamps are used to attach the applicator to the gumming cylinder, as will be described in detail hereinafter, the cloth may extend on opposite sides beyond the applicator, as shown in FIG. 1.
The raised gum-applying portions 1 of the applicator may be used for applying latex strips 1 upon a flat bag 5 shown in FIG. 3, so as t0 produce a so-called self-sealing closure.
Due to its low hardness of 20-25 Shore, the applicator of the present invention has the advantage that the thickness of the layer of latex applied over the bag 5 is substantially uniform even if the bag may have two layers of paper on one location and three layers of paper upon another location.
As already stated, the applicator may be glued to the cylinder. However, in the embodiment shown in FIG. 4, the applicator is attached to a gumming roller 6 by two clamps 7 and 8 consisting of elongated bodies fitting into a recess 10 provided in the roller 6 and firmly fixed thereto by screws 9. In this construction the cloth 3 extends beyond the applicator 2 and has ends fitting into the recess 10 and firmly held therein by the clamps 7 and 8.
This method of -tixing the applicator is used when' the shaft carrying the gumming roller has bearings at both ends.
However, if the shaft of the gumming roller is free upon one end, being connected to an arm of a flying axle, then the construction shown in FIG. 5 can be used, wherein the ends of the cloth 3 carrying the applicator 2 are joined to form a sleeve 11. The sleeve 11 is of such diameter that it can be conveniently slid over a gumming roller 12. Then a clamp 13 fitting into a recess of the roller 12 is used to secure the applicator firmly upon the gumming roller.
FIG. 6 shows the manner of actuating the gumming roller 14. In this construction the adhesive applicator 2 is secured to the roller or drum 14 by means of sticky tapes bearing adhesive on both sides. The adhesive sticks securely to the cylinder 14 and to the polyacrylester coating so that the applicator is firmly secured to the drum with the raised pattern 1 projecting radially outwards. The drum 14 is engaged by a driven roller 15 which in turn is engaged by a roller 16 which is partially submerged in a trough 17 of adhesive. Below the drum is a pressure roller 18 and there is a conveyor table 19, 20 on either side of the nip between the drum and the pressure roller.
In operation, the drum 14 rotates and a thin lm of adhesive is transferred from the trough 17 through the rollers 16 and 15 to the raised parts of the adhesive applicator which transfers it to articles, such as envelopes, passed between the drum 14 and the pressure roller 18.
The construction shown in FIG. 7 was found to be most convenient in actual practice. It includes a large trough 21 transmitting adhesive to a dip roller 22. The roller 22 meshes with an intermediate roller 23 which is coaxial with a roller 24 meshing with the gumming roller 25 coaxial with the dip roller 22. An advantage of this construction is that it is possible to keep the dip roller 22 at a low speed in order to prevent latex in the trough 21 from foaming. The circumferential speed of the intermediate roller 23 should be at least closely equal to the circumferential speed of the applicator.
It is apparent that the examples described above have been given solely by way of illustration and not by way of limitation and that they are capable of many variations and modifications within the scope of the present invention.
What is claimed is:
1. A profiled gum applicator for applying sections of latex to various articles comprising:
(l) a laminate including (a) a sheet of soft polyvinyl chloride polymer having raised portions upon one side thereof; (b) a layer of cotton cloth bonded to and covering the other side of said sheet and extending beyond each of a pair of opposed ends of said sheet;
(c) a polyacrylester coating on the side of said cloth which is remote from that bonded to the polymer sheet;
(2) the laminate being wrapped around a gumming cylinder with the polyvinylchloride polymer on the outside thereof;
(3) said cylinder having a recess and two clamp means disposed in said recess; and
(4) the laminate being firmly secured to said cylinder by engagement of said two clamp means with the portions of said cloth extending beyond said poly- Vinylchloride polymer sheet.
2. A profiled gum applicator for applying sections of latex to various articles comprising:
(l) a laminate including (a) a sheet of soft polyvinyl chloride polymer having raised portioins upon one side thereof;
(b) a layer of cotton cloth bonded to and covering the other side of said sheet and extending beyond each of a pair of opposed ends of said sheet;
(c) a polyacrylester coating on the side of said cloth which is remote from that bonded to the polymer sheet;
(2) the portions of said cloth extending beyond said polymer sheet being joined to form a sleeve member having the polyvinyl chloride polymer on the outside thereof;
(3) a gumming cylinder having a recess and a clamp means located in said recess;
(4) said sleeve being disposed about said cylinder and firmly secured thereon by engagement of said clamp means at said joined portions.
References Cited UNITED STATES PATENTS 2,312,853 3/1943 Toland et al 29-132 X 2,369,635 2/1945 Bacon 29-132 X 2,774,302 12/1956 Stromn'ie.
3,031,959 5/1962 Libberton lOl- 395 3,307,965 3/1967 Seifer 117--76 3,330,689 7/1967 Ells et al. 117-76 3,353,481 11/1967 Antonucci.
3,377,949 4/1968 Prince lOl-395 X MORRIS KAPLAN, Primary Examiner U.S. Cl. X.R.
lOl- 376; 117-68
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76082068A | 1968-09-19 | 1968-09-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3529336A true US3529336A (en) | 1970-09-22 |
Family
ID=25060283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US760820A Expired - Lifetime US3529336A (en) | 1968-09-19 | 1968-09-19 | Applicator roll |
Country Status (1)
Country | Link |
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US (1) | US3529336A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4031600A (en) * | 1975-11-10 | 1977-06-28 | The Fluorocarbon Company | Attachment means for a machinery drum cover |
US6651539B1 (en) * | 1998-04-03 | 2003-11-25 | Friedrich Eicher | Perforating, grooving or cutting device for a multicolor sheet-fed rotary press |
US20050200070A1 (en) * | 2004-03-12 | 2005-09-15 | Newell Gregory J. | Rotatable feed wheel for sheet converting machine |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2312853A (en) * | 1940-02-26 | 1943-03-02 | Toland William Craig | Applicator roll |
US2369635A (en) * | 1941-04-19 | 1945-02-20 | Dayton Rubber Mfg Co | Covering for worsted type spinning rolls |
US2774302A (en) * | 1953-06-15 | 1956-12-18 | Stromme Reidar | Flexible printing plate |
US3031959A (en) * | 1950-05-05 | 1962-05-01 | Tenak Products Company | Printing plate with paper layer |
US3307965A (en) * | 1963-12-10 | 1967-03-07 | Rohm & Haas | Article with plural coats of a copolymer having different t values and process of producing the same |
US3330689A (en) * | 1963-06-20 | 1967-07-11 | Deering Milliken Res Corp | Latex coated fibrous material and method of making same |
US3353481A (en) * | 1962-06-08 | 1967-11-21 | Potter Instrument Co Inc | High speed printer drum with print plate mounting means |
US3377949A (en) * | 1966-03-28 | 1968-04-16 | Grace W R & Co | Printing plates |
-
1968
- 1968-09-19 US US760820A patent/US3529336A/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2312853A (en) * | 1940-02-26 | 1943-03-02 | Toland William Craig | Applicator roll |
US2369635A (en) * | 1941-04-19 | 1945-02-20 | Dayton Rubber Mfg Co | Covering for worsted type spinning rolls |
US3031959A (en) * | 1950-05-05 | 1962-05-01 | Tenak Products Company | Printing plate with paper layer |
US2774302A (en) * | 1953-06-15 | 1956-12-18 | Stromme Reidar | Flexible printing plate |
US3353481A (en) * | 1962-06-08 | 1967-11-21 | Potter Instrument Co Inc | High speed printer drum with print plate mounting means |
US3330689A (en) * | 1963-06-20 | 1967-07-11 | Deering Milliken Res Corp | Latex coated fibrous material and method of making same |
US3307965A (en) * | 1963-12-10 | 1967-03-07 | Rohm & Haas | Article with plural coats of a copolymer having different t values and process of producing the same |
US3377949A (en) * | 1966-03-28 | 1968-04-16 | Grace W R & Co | Printing plates |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4031600A (en) * | 1975-11-10 | 1977-06-28 | The Fluorocarbon Company | Attachment means for a machinery drum cover |
US6651539B1 (en) * | 1998-04-03 | 2003-11-25 | Friedrich Eicher | Perforating, grooving or cutting device for a multicolor sheet-fed rotary press |
US20050200070A1 (en) * | 2004-03-12 | 2005-09-15 | Newell Gregory J. | Rotatable feed wheel for sheet converting machine |
US7125012B2 (en) * | 2004-03-12 | 2006-10-24 | Gregory James Newell | Rotatable feed wheel for sheet converting machine |
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