GB761137A - Machine and method for producing a laminated corner-bead - Google Patents
Machine and method for producing a laminated corner-beadInfo
- Publication number
- GB761137A GB761137A GB2160153A GB2160153A GB761137A GB 761137 A GB761137 A GB 761137A GB 2160153 A GB2160153 A GB 2160153A GB 2160153 A GB2160153 A GB 2160153A GB 761137 A GB761137 A GB 761137A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- tape
- paper
- reel
- metal
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
761,137. Laminated materials. DUNLAP, A. H. Aug. 5, 1953, No. 21601/53. Class 140. Lengths of corner bead composed of a transversely-bent metal or plastic core strip having a flexible tape such as paper bonded thereto are made by continuously advancing flat stock materials for the core strip and the tape along guided travel paths which merge, deforming the metal or plastic strip to the requisite shape before its path merges with that of the tape, bonding the core strip and tape together, thereby forming the corner bead, and cutting the corner bead into lengths. As shown, a strip of paper T, Fig. 1, from a reel 31 is passed through a cleaning box 67 where surface lint scraped off by bowed spring metal leaves is withdrawn by suction, under a device 58 which applies adhesive from a rotating tubular nozzle to a restricted, e.g. central, zone of the paper, and, if desired, or necessary, through a drying oven 115 where the adhesive is'heated by infra-red lamps 116. The metal strip is unwound from a reel 30 and, after passing over guide rolls 35, 36, and 37, is passed through a driven set of rolls 38 which progressively deform the strip into a V cross-section with the ridge at the bottom. The deformed strip is fed along a trough 40, in which it is maintained by free-turning guide rollers 41, and is brought into contact at roll 127 with the adhesive-coated paper strip, guides being provided to ensure correct alignment. The two strips are united by pressing first between a roller 130, Fig. 8, bevelled to fit the trough in the metal strip and a cylindrical roller 136 with a shallow central V-groove taking only the apical portion of the core strip, and then between rollers 131 and 132 similarly shaped to roller 130 and pairs of rollers 144 inclined at 45 degrees. The composite strip is cut into predetermined lengths by a blade 172 actuated by a solenoid 183 when the front end of the composite strip touches a trigger which operates a micro-switch controlling the solenoid. In order to counteract shrinkage of the paper tape as the adhesive dries, the composite strip is bent slightly upwards after leaving the pressure rolls, by passing between a pair of guide rolls 156 inclined at 45 degrees and a ball-shaped foot 157. A lever 50, Fig. 1, one end of which rides on the reel 31, causes an electric bell 53 to ring when the tape on the reel nears depletion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2160153A GB761137A (en) | 1953-08-05 | 1953-08-05 | Machine and method for producing a laminated corner-bead |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2160153A GB761137A (en) | 1953-08-05 | 1953-08-05 | Machine and method for producing a laminated corner-bead |
Publications (1)
Publication Number | Publication Date |
---|---|
GB761137A true GB761137A (en) | 1956-11-14 |
Family
ID=10165665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2160153A Expired GB761137A (en) | 1953-08-05 | 1953-08-05 | Machine and method for producing a laminated corner-bead |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB761137A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2067073A1 (en) * | 1969-11-10 | 1971-08-13 | Yoder Cy |
-
1953
- 1953-08-05 GB GB2160153A patent/GB761137A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2067073A1 (en) * | 1969-11-10 | 1971-08-13 | Yoder Cy |
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