Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7174634 | Method for producing a fluid treatment device having a honeycomb member The present invention is directed to a method for producing a fluid treatment device having a honeycomb member in a metallic cylindrical housing with a shock absorbent member wrapped around the honeycomb member. The method comprises the steps of (1) inserting the ho... | 02/13/2007 |
| 7174635 | Method for producing a columnar member container A method includes the steps of (1) wrapping a shock absorbent member around a columnar member, (2) supporting one end portion of a cylindrical housing on a support member, (3) arranging the columnar member in a cylindrical guide member formed with the tapered portio... | 02/13/2007 |
| 7111392 | Method of producing a fragile substrate container The present invention is directed to a method of producing a container such as a catalytic converter for holding a fragile substrate in a cylindrical housing with a shock absorbent member wrapped around the substrate, with an appropriate holding force determined on ... | 09/26/2006 |
| 6834245 | Method and apparatus for monitoring the status of manufacturing products The present invention is directed to a method and apparatus for monitoring the status of manufacturing products continuously according to one of a plurality of manufacturing processes. It is determined whether at least a predetermined manufacturing program out of a ... | 12/21/2004 |
| 6769281 | Method and apparatus of producing a columnar member container The present invention is directed to a method of producing a container for holding a columnar member in a cylindrical housing with a shock absorbent member wrapped around the columnar member. The method comprises the steps of (1) compressing at least a part of the a... | 08/03/2004 |
| 6591498 | Method of producing a catalytic converter The present invention is directed to a method of producing a catalytic converter which comprises the steps of providing a shock absorbent member around an outer periphery of a catalyst substrate, inserting the catalyst substrate and the shock absorbent me... | 07/15/2003 |
| 6588203 | Exhaust device of internal combustion engine An engine including a silencer in the exhaust passage thereof, wherein an exhaust gas flow passage pipe is arranged in the silencer body and a particulate filter is arranged inside the exhaust gas flow passage pipe. A first exhaust gas inflow-outflow open... | 07/08/2003 |
| 6536315 | Spinning device The spinning system according to the present invention performs spinning properly, by driving a working tool in revolution, on an unrotatably supported member to be machined, and also performs other work such as cutting, etc. after the spinning. For that ... | 03/25/2003 |
| 6530256 | Method and device for expanding tube material There are disclosed an expanded tube processing method and expanded tube processing apparatus of a cylindrical tube, for inclining an opening end portion of a work formed of the cylindrical tube of metal with respect to an axis of a work to perform tube e... | 03/11/2003 |
| 6427802 | Muffler A muffler in which in order to reduce a harsh high-frequency component exhaust noise as exhaust noise of a vehicle, and relieve a feeling of discomfort due to the exhaust noise, on at least one of an inner plate and an outer plate, a plurality of dot-shap... | 08/06/2002 |
| 6386010 | Spinning processing method and apparatus therefor According to the spinning processing method of the invention, a steel tube (4) as a work is rotated round its longitudinal axis (X). A plurality of forming rollers (23), which are arranged around the steel tube (4), are rotated round the steel tube axis (... | 05/14/2002 |
| 6381843 | Method of producing a catalytic converter A method of producing a catalytic converter comprises the steps of (1) providing a shock absorbent member around an outer periphery of a catalyst substrate, (2) inserting the catalyst substrate and the shock absorbent member into a cylindrical workpiece, ... | 05/07/2002 |
| 6295856 | Spindle mechanism of drawer A drawing system improves the durability and accuracy of final casting shapes with a mandrel device by utilizing a compact speed-change mechanism. At the tip of a spindle 10, a drawing tool mounting base 15 slidably supports a drawing tool R in a radial d... | 10/02/2001 |
| 6233993 | Method and apparatus for forming a processed portion of a workpiece A method and apparatus for processing a portion of a workpiece. At least one roller is supported on a rotatable member rotatable about a main axis to be radially moved to and from the main axis. The workpiece is supported so that a central axis of the por... | 05/22/2001 |
| 6223434 | Muffler and its manufacturing method A muffler is constructed by inner and outer pipes, in which opposite end portions of the outer pipe are reduced in diameter, a welding portion of the inner pipe is accurately formed, and in this muffler, in order that a welding portion of the inner pipe c... | 05/01/2001 |
| 6216512 | Method and apparatus for forming a processed portion of a workpiece A method and apparatus for processing a portion of a workpiece. At least one roller is supported on a rotatable member rotatable about a main axis to be radially moved to and from the main axis. The workpiece is supported to position a central axis of the... | 04/17/2001 |
| 6216743 | Bellows tube The present invention is directed to a bellows tube formed of metal having a cylindrical collar portion and a plurality of corrugations adjacent thereto with outwardly curved portions and inwardly curved portions alternately formed along the longitudinal ... | 04/17/2001 |
| 6102154 | Muffler In a muffler, a first exhaust outlet pipe has an opening-closing device, and a second exhaust outlet pipe is connected or joined to the first exhaust outlet pipe at a downstream portion of the opening-closing device. An overall length of the second exhaus... | 08/15/2000 |
| 6067833 | Method and apparatus for forming an end portion of a cylindrical member A method and apparatus for forming an end portion of a cylindrical member or cylinder includes at least one roller supported on a main shaft to be radially moved to and from the main shaft. The cylinder is supported to position the central axis thereof on... | 05/30/2000 |
| 6027146 | Merging pipe and method of manufacturing same A merging pipe wherein branch pipes can be easily welded to each other in a joint portion even when an intersect angle between axes of both the branch pipes is set to a small value to reduce merging resistance. In the merging pipe, a plurality of ... | 02/22/2000 |
| 6018972 | Method and apparatus for forming an end portion of a cylindrical member The present invention is directed to a method and apparatus for forming an end portion of a cylindrical member or cylinder. A main shaft is positioned on a plane including the central axis of the cylinder, in parallel therewith. At least one roller is sup... | 02/01/2000 |
| 6000115 | Shell lock seaming machine To support a shell case having a different shape by support mechanisms in a shell lock seaming machine, the support mechanisms are disposed on both the sides of the opening edges of the shell case and a plurality of support members are provided with each ... | 12/14/1999 |
| 5943891 | Silencer shell forming apparatus In a silencer shell forming apparatus, a mandrel is divided into an upper segment and a lower segment as well as both the segments are permitted to move in a vertical direction to dispense with a setup job when a different type of a shell is formed. Furth... | 08/31/1999 |
| 5713611 | Connection of a plate and tubular members The invention is directed to a connection of a plate and a pair of tubular members. The plate has an aperture defined therein, and a tubular flange portion which is formed around the aperture and which extends away from a plane of the plate. A first openi... | 02/03/1998 |
