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Class Information
Number: 225/103
Name: Severing by tearing or breaking > Breaking or tearing apparatus > Movable breaking tool
Description: Devices which include a work contacting tool which applies stress to the work at the desired line of severance, as by bending the work about such line, and means to move the tool into contact with the work, either at such line or remote therefrom.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4568008 |
Device for cutting and shooting fibres with stabilized orientation |
Feb. 4, 1986 |
| 4552291 |
Apparatus for breaking railroad rails |
Nov. 12, 1985 |
| 4538588 |
Method for forming glazed tile |
Sep. 3, 1985 |
| 4522323 |
Rail lifting and breaking machine |
Jun. 11, 1985 |
| 4512524 |
Crusher for concrete structures |
Apr. 23, 1985 |
| 4509355 |
Apparatus for forming a sheet metal product having an opening |
Apr. 9, 1985 |
| 4508527 |
Method and apparatus for quantitatively dividing zigzag folded sheet of paper |
Apr. 2, 1985 |
| 4507019 |
Method and apparatus for replacing buried pipe |
Mar. 26, 1985 |
| 4505302 |
Replacement of mains |
Mar. 19, 1985 |
| 4498451 |
Cutting articles along known planes |
Feb. 12, 1985 |
| 4474319 |
Hand held fiber optic cleaving tool |
Oct. 2, 1984 |
| 4473192 |
Tablet breaking device |
Sep. 25, 1984 |
| 4461415 |
Device for breaking at least one continuous rod in a machine for making products for smokers |
Jul. 24, 1984 |
| 4459888 |
Non-contacting slitter |
Jul. 17, 1984 |
| 4444345 |
Rail lifting and cutting machine |
Apr. 24, 1984 |
| 4441844 |
Portable panel separation device |
Apr. 10, 1984 |
| 4434923 |
Apparatus for separating castings into necessary and unnecessary pieces |
Mar. 6, 1984 |
| 4428518 |
Glass breaking tool |
Jan. 31, 1984 |
| 4427142 |
Method of and apparatus for grit blast damage free score initiation |
Jan. 24, 1984 |
| 4409843 |
Device for measuring tablet breaking force |
Oct. 18, 1983 |
| 4410119 |
Device for producing shard from metal ribbon |
Oct. 18, 1983 |
| 4404723 |
Apparatus for taking off a band wound about a paper sheet bundle |
Sep. 20, 1983 |
| 4402443 |
Riser removal device |
Sep. 6, 1983 |
| 4383630 |
Rail lifting and cutting machine |
May. 17, 1983 |
| 4373650 |
Continuous cutter for a glass fiber chopper |
Feb. 15, 1983 |
| 4372471 |
Glass cutting system |
Feb. 8, 1983 |
| 4361130 |
Glass sheet shaping and trimming (grozing) tool and method of use |
Nov. 30, 1982 |
| 4360136 |
Tool for shearing off rivet mounted sickle teeth |
Nov. 23, 1982 |
| 4354411 |
Cold shears and method for cutting billets and bars |
Oct. 19, 1982 |
| 4352446 |
Substrate separating machine and method |
Oct. 5, 1982 |
| 4347957 |
Apparatus for de-burring of workpieces |
Sep. 7, 1982 |
| 4346828 |
Railroad rail fragmenting apparatus and method |
Aug. 31, 1982 |
| 4343287 |
Crystal cleaving machine |
Aug. 10, 1982 |
| 4341334 |
Apparatus for spacing sheets and moving groups of spaced sheets |
Jul. 27, 1982 |
| 4330936 |
Compressed tablet-splitting holder |
May. 25, 1982 |
| 4309818 |
Method for manufacturing a preformed flex-rib battery case |
Jan. 12, 1982 |
| 4307827 |
Method and device for feeding plant cells in a planting machine |
Dec. 29, 1981 |
| 4304371 |
Peeling tool for integrated strip in a sheet metal coil construct |
Dec. 8, 1981 |
| 4299347 |
Device for removal of casting deadhead by hydraulic wedge |
Nov. 10, 1981 |
| 4293086 |
Apparatus and method for separating case flaps |
Oct. 6, 1981 |
| 4279067 |
Well pump breaking tool |
Jul. 21, 1981 |
| 4270683 |
Portable paper roll breaking machine |
Jun. 2, 1981 |
| 4267985 |
Strip separator and payout apparatus |
May. 19, 1981 |
| 4267984 |
Method and apparatus for separating strip coil from wound construct by rotation |
May. 19, 1981 |
| 4256246 |
Device for breaking a glass plate so as to obtain a sharp edge |
Mar. 17, 1981 |
| 4248564 |
Method and apparatus for opening a film cartridge |
Feb. 3, 1981 |
| 4243012 |
Apparatus for separating joined-bricks |
Jan. 6, 1981 |
| 4235357 |
Substrate separating machine and method |
Nov. 25, 1980 |
| 4231503 |
Microtomy knife breaker |
Nov. 4, 1980 |
| 4227635 |
Apparatus for the manufacture of a window by detachment of the edges of a sheet of glass along a score |
Oct. 14, 1980 |
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