U.S. patents available from 1976 to present.
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Patent No. 6637447

Beerbrella

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

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Class 72/2 - Manually controlled


Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein the halting of instrumentality operation
No. of patents: 9
Last issue date: 01/01/2008


NumberTitleIssue Date
7313861Electric drive for a shaping die
A driving mechanism for operating a shaping die to join stacked plates by a deep-drawing and swaging operation is implemented as an electric drive, such as a linear motor or a rotary motor, which is operatively connected to the shaping die. ...
01/01/2008
6948350Wave-processing method and wave-processing die for core metal of wet friction material
A ring-shaped core metal is pressed and compressed by a main punch and a counter punch so as to have a wave shape. Moreover, each group of three micro-protrusions provided on each of top points of the wave shape are cut in the core metal. Then, three notches are cut...
09/27/2005
6688150Roll grooving apparatus
Roll grooving apparatus for rolling a circumferential groove in a pipe comprises a first support rotatably supporting a first grooving roll, a second support rotatably supporting a second grooving roll and being displaceable relative to the first support ...
02/10/2004
5619878Method and device for manufacturing a corrugated metal pipe
The present invention relates to a method for forming a pipe with a corrugated wall by means of the electroforming technique. The method comprises the stage of forming, possibly partial, on the circumference of the pipe over a length of about one pitch of...
04/15/1997
5611228Pressing tool
A pressing tool for coupling elements includes a forked receiver, a clamping claw which is interchangeably held in the receiver by a connecting pin, and a drive motor for the activation of the clamping claw. The connecting pin can be inserted through hole...
03/18/1997
5513561Gear train locking mechanism for mechanical power presses
A gear train locking mechanism for preventing the reciprocating slide of a mechanical power press from inadvertently moving during maintenance procedures and the like is disclosed. The gear train locking mechanism preferably includes an idler gear which i...
05/07/1996
4656862Press machine
The present invention relates to a press machine that has a vertically movable ram for supporting upper or lower bending tools, said ram being integrally provided with an operation member, and a position determining member having an adjustable position lo...
04/14/1987
4572346Power press ram safety guard with electrical interlock
A power press is comprised of a frame, a stationary bed, a ram reciprocally movable toward and away from the bed and a safety guard for preventing movement of the ram toward the ram when the tooling for the press must be repaired or changed. The guard inc...
02/25/1986
3978701Power roll mill guarding device
A guard is disclosed for guarding the nip between a pair of rolls in a power roll mill to prevent the mill operator's fingers from being crushed between the rolls. The guard comprises an upstanding plate pivotally mounted transversely between the opposite...
09/07/1976
 
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