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Class Information
Number: 425/DIG.235
Name: Plastic article or earthenware shaping or treating: apparatus > Calendar
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6612825 |
Pillow cutting extruder machine |
Sep. 2, 2003 |
| 6238198 |
Roll-out apparatus for corrugating roller |
May. 29, 2001 |
| 6129539 |
Double doctor blades |
Oct. 10, 2000 |
| 5952017 |
Pressure roll, and molding apparatus using the pressure roll |
Sep. 14, 1999 |
| 5607703 |
Roller head extruder unit |
Mar. 4, 1997 |
| 5439366 |
Safety device for a roll space of a calender or similar roll machine |
Aug. 8, 1995 |
| 5397526 |
Method for reconfiguring finishing rolls in a plastic sheet fabrication sheetline |
Mar. 14, 1995 |
| 5333544 |
Mobile platform for operators of calenders |
Aug. 2, 1994 |
| 5268187 |
Method and apparatus for producing thin sheets of starch containing food material |
Dec. 7, 1993 |
| 5263840 |
Calendar for surface treatment of material webs |
Nov. 23, 1993 |
| 5100312 |
Calender assembly |
Mar. 31, 1992 |
| 5018960 |
Flaking roll apparatus |
May. 28, 1991 |
| 4810179 |
Force indicator for casting machines |
Mar. 7, 1989 |
| 4787835 |
Nip indicator for casting machines |
Nov. 29, 1988 |
| 4783230 |
Manufacture of ply fabric for reinforced rubber articles |
Nov. 8, 1988 |
| 4695239 |
Thermoplastic sheet forming device |
Sep. 22, 1987 |
| 4639346 |
Method and apparatus for calendering magnetic tapes |
Jan. 27, 1987 |
| 4526640 |
Equipment for producing continuous tape of rubbery vulcanizable material for the manufacture of hose articles |
Jul. 2, 1985 |
| 4354814 |
Extruder with a sheet extrusion head and an associated calender |
Oct. 19, 1982 |
| 4345046 |
Calendering of polyolefins |
Aug. 17, 1982 |
| 4311658 |
Manufacture of continuous plastic sheets |
Jan. 19, 1982 |
| 4304539 |
Extruder with roller die |
Dec. 8, 1981 |
| 4260578 |
Method and apparatus for making elastomer sheet material |
Apr. 7, 1981 |
| 4256448 |
Roller die |
Mar. 17, 1981 |
| 4173444 |
Equipment for producing continuous tapes of rubbery vulcanizable material, for the manufacture of hose articles |
Nov. 6, 1979 |
| 4147577 |
Pneumatic tire building method and apparatus |
Apr. 3, 1979 |
| 4142849 |
Multilevel embossing of foamed-sheet materials -- II |
Mar. 6, 1979 |
| 4140457 |
Method for producing transparent plastic molded articles and thermoforming apparatus therefor |
Feb. 20, 1979 |
| 4060368 |
Flat-sheet injection head |
Nov. 29, 1977 |
| 4043731 |
Calender with nip boundary plates |
Aug. 23, 1977 |
| 4038012 |
Multiple-roll calendars for producing thermoplastics film |
Jul. 26, 1977 |
| 4028035 |
Frameless briquetting machine |
Jun. 7, 1977 |
| 4028031 |
Screw extruder and calender assemblage |
Jun. 7, 1977 |
| 4015919 |
Multi-roll calender for rubber or synthetic plastics materials |
Apr. 5, 1977 |
| 3993424 |
Roll calenders for calendering rubber or synthetic plastics materials |
Nov. 23, 1976 |
| 3964848 |
Calendering of synthetic plastics film |
Jun. 22, 1976 |
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