Bizarre Patents
Crispy Chip Sandwich and Process of Producing a Sandwich Product
A food product comprising a multilayer cookie or snack having outer layers formed from a crispy type edible food product such as a potato chip or corn chip, etc. with an intermediate marshmallow layer being in contact with the inner surface of each crispy chip and one or more filler substances.
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| Number | Title | Issue Date |
| 7347290 | Multi-part energizer for mechanical seal assembly An energizer for a mechanical seal assembly for use in a drill bit is disclosed. The energizer is a composite of at least two resilient materials, one having a durometer hardness that is greater than the other. The material contacting a journal provides relatively h... | 03/25/2008 |
| 7320375 | Split cone bit A roller cone drill bit and a method for designing thereof. The roller cone drill bit includes a bit body configured to be coupled to a drill string and a journal depending from the bit body. A split roller cone is rotatably attached to the journal. The split roller... | 01/22/2008 |
| 7188691 | Metal seal with impact-absorbing ring Disclosed is a seal assembly for dynamically sealing between rotatable members, such as employed to seal the rolling cone of a rock bit. One preferred assembly includes an energizer, first and second seal rings, and a cushioning ring having an L-shaped cross-section... | 03/13/2007 |
| 7117961 | Dynamic seal with soft interface A device and method for dynamically sealing between rotatable members such as a rolling cone of a rock bit. The assembly includes a seal ring having a facing surface of a relatively hard material, such as hardened steel or tungsten carbide, and a second seal ring of... | 10/10/2006 |
| 7000712 | Bearing seal A seal assembly for a shaft supporting a rotary element comprises a sealing ring having an inner radial surface in contact with a seal surface of the shaft. The sealing ring comprising a disc shaped integral radial lip normal to the inner radial surface. A disc shap... | 02/21/2006 |
| 6254275 | Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability A drill bit for use in an earthen annulus that contains loose particles is connected to a fluid supply source and includes a bit body having at least one journal segment and at least one fluid conduit in fluid communication with the fluid supply source. A... | 07/03/2001 |
| 5961185 | Shielded cutterhead with small rolling disc cutters An improved disc type rolling rock cutter, and novel cutterheads employing such cutters. A rock cutter with an improved, simplified structure, with compact bearing, and smooth, rounded blade shape is disclosed. The design incorporates a cutter ring, beari... | 10/05/1999 |
| 5626201 | Disc cutter and method of replacing disc cutters An improved rolling disc type cutter, and novel cutterheads employing such cutters. The cutter includes a washer surface and a cutter ring assembly. The cutter ring assembly further includes an annular cutter ring with an interior annulus defining portion... | 05/06/1997 |
| 5586611 | Drill bit having dual split bushings for cutter support and retention A rotary cutter cone type drill bit having a body structure with a plurality of depending cutter support lugs each having a spindle integral therewith and defining a cylindrical bushing support surface and a spindle head. A cutter cone is positioned for r... | 12/24/1996 |
| 5465800 | Rolling cutter drill bits A method of manufacturing a rolling cutter drill bit comprising a bit body which carries cutter assemblies each of which includes a cutter journal on the bit body, a cutter rotatably mounted on the journal, and a threaded retention ring screwed onto the c... | 11/14/1995 |
| 4991671 | Means for mounting a roller cutter on a drill bit A rotary drill bit (10) having a roller cutter (28) retained on a journal (24) by an externally threaded retainer ring (52) mounted within an annular groove (48) in the journal (24). The radii (R1, R2) formed at the inner and outer corners of the groove (... | 02/12/1991 |
| 4911255 | Means for retaining roller cutters on rotary drill bit A roller cutter (28) of a drill bit (10) is retained on a journal (24) for rotation by a retainer ring (82) having external screw threads (88) which are threaded onto mating screw threads (108) on the roller cutter (28) for rotation therewith. The retaine... | 03/27/1990 |
| 4900164 | Axial retainer for a cutter in a rotary drill bit A retainer for axially retaining a cutter on the journal pin of a rotary drill bit body includes a plurality of arcuate sliding keys and a single initial tensioning ring accommodated astride an annular groove formed in the peripheral outer wall surface of... | 02/13/1990 |
| 4880068 | Rotary drill bit locking mechanism The present invention is a rotary drill bit locking mechanism comprising a support spindle and a cutter cone with bearing surfaces. Furthermore, first and second annular grooves are formed on the bearing surfaces of the support spindle and the cutter cone... | 11/14/1989 |
| 4874047 | Method and apparatus for retaining roller cone of drill bit An improved apparatus and method for rotatably mounting and retaining a rock bit roller cone on a journal of a drill bit is disclosed. The bit body has at least one depending leg with an outer free end and an inner end continuous with the remainder of the... | 10/17/1989 |
| 4765205 | Method of assembling drill bits and product assembled thereby A method for assembling earth drill bits starts with a hollow shank body with a hollow pin with API regulation threads, for connection to a drill pipe, extending from one side, and hollow nozzle legs extending from the other side cast as a one piece inves... | 08/23/1988 |
| 4722615 | Drilling apparatus and cutter therefor An underreamer including a body having a bore therethrough, an arm mounted at its upper end to the body, a conical cutter mounted for rotation on the lower end of each arm, a cup-shaped thrust bearing between the cutter and the arm, means extending throug... | 02/02/1988 |
| 4666000 | Rock bit cutter retainer An improved retainer for a rotary cone rock bit and a method for inserting the same is disclosed. A cone cutter is mounted on a bearing pin of an arm of the rotary cone drill bit. Formed in the bearing pin and the inner wall of the cone cutter is an annul... | 05/19/1987 |
| 4657091 | Drill bits with cone retention means There is disclosed a drill bit which is connectable to the lower end of a rotary drill string for use in drilling oil and gas wells as drilling mud is circulated downward through the string, out the bit, and upwardly within the annulus between the string ... | 04/14/1987 |
| 4600064 | Earth boring bit with bearing sleeve An earth boring bit having an improved two piece bearing construction using an internally tapered and threaded, cantilevered bearing lug extending obliquely inwardly and downwardly from a leg carried by the body of the bit. An internally tapered and threa... | 07/15/1986 |
| 4538928 | Screw ring cone retention apparatus and method for rock bits This invention teaches a means to retain a cutter cone onto a journal bearing of an earth boring rotary cone rock bit. Complementary and registering annular grooves are formed in the bearing surfaces of the journal and the cone. A tangential entry groove ... | 09/03/1985 |
| 4511008 | Rotary cutter drill bit with permanent snap ring cutter retention Structure for permanently retaining a rolling cutter on a journal pin of a rotary cutter earth boring bit is shown. The structure is defined by opposed, axially aligned, circumferential grooves formed in the mating bearing surfaces of the pin and the asse... | 04/16/1985 |
| 4506997 | Rock bit cone retention A rock bit cone retention means is disclosed which primarily utilizes a series of segmented rings. The segmented rings are inserted into a relatively deep annular channel formed transverse to the axis of either a journal or a cone of a rock bit leg assemb... | 03/26/1985 |
| 4478299 | Rock bit construction A rotary earth boring drill is provided having a body structure with a plurality of depending cutter supporting legs having integral spindles extending transversely therefrom. Rotary cutter cone elements are supported by split bushings, roller bearings or... | 10/23/1984 |
| 4444518 | Rock bit cone retention means A rock bit cone retention means is disclosed which primarily utilizes a series of segmented rings. The segmented rings are inserted into a relatively deep annular channel formed transverse to the axis of either a journal or a cone of a rock bit leg assemb... | 04/24/1984 |
| 4344658 | Earth boring drill bit with snap ring cutter retention Disclosed herein is an earth boring bit of otherwise conventional construction except for the bearing and cutter retention. A snap ring is used to retain the cutter, the grooves that receive the ring and the ring construction being such that the ring is f... | 08/17/1982 |
| 4236764 | Earth boring drill bit with snap ring cutter retention Disclosed herein is an earth boring bit of otherwise conventional construction except for the bearing and cutter retention. A snap fit ring is used to retain the cutter, the grooves that receive the ring and the ring construction being such that the ring ... | 12/02/1980 |
| 4176724 | Rotary rock bit and method of making same A rotary rock bit is described having a plurality of legs extending downwardly from the main bit body. Each leg further includes an inwardly extending journal pin for rotatively supporting a cone-type cutter. An annular thrust member is provided for axial... | 12/04/1979 |
| 4172502 | Roller bit A roller bit for rock drilling comprising a body having at least one stub axle and a geared cutting element rotatably mounted on said stub axle. The stub axle and cutting element have confronting spaced raceways for a plurality of rolling elements. A shou... | 10/30/1979 |
| 4157122 | Rotary earth boring drill and method of assembly thereof Rotary earth boring bits according to the present invention and method of assembly thereof allow development of a rotary earth boring bit construction of low cost nature and having exceptionally good wear life. The drill construction promotes the use of o... | 06/05/1979 |
| 4127043 | Rock bit with welded bearing pins A rock bit and manufacturing method wherein journal-bearing pins which support rotatable cutters on the bit body are separately machined and heat treated, and then mounted on the bit body by electron-beam welding or a related process of energy-beam bondin... | 11/28/1978 |
| 4043411 | Rotary rock bit with the bearing pin fused to the rock bit arm A rotary rock bit is constructed from at least one rock bit arm and a separate bearing pin. The rock bit arm includes a curved shirttail surface, a plane cutter receiving surface, and a mounting passage extending through said rock bit arm from said cutter... | 08/23/1977 |
