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Patent No. 5377411

Hair Cutting Appliance

A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Class 425/414 - Including means to insert or remove core


Subclass of Class 425 - Plastic article or earthenware shaping or treating: apparatus
Definition: Apparatus which includes means to move a core member with
No. of patents: 78
Last issue date: 06/28/2011


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NumberTitleIssue Date
7967597Mold releasing device and mold releasing method
A mold releasing method for releasing a core member from a mold includes steps of: a) providing a supporting member and arranging the supporting member on the mold, the supporting member comprising a base and a number of sidewalls extending from the base to the mold...
06/28/2011
7594809Molding die unit
A molding die unit has a shell and a die. The die is located inside the shell. A die hole is formed in the die. The die has first and second portions. The first and second portions include their respective surfaces defining the die hole and facing each other. A firs...
09/29/2009
7429170Method and machine for compression molding closure shells
A compression molding machine, for compression molding a closure shell having a base wall with an opening and in accordance with one aspect of the disclosure, includes a male mold section and a female mold section having associated surfaces that oppose each other to...
09/30/2008
7309226Moulding equipment with cores for concrete casting machines
In connection with casting concrete blocks with cavities, e.g. foundation blocks, perforated blocks and elements with cavities, a moulding equipment including a bottom part (4) with casting cells with pendant core members (8) bolted on corresponding to...
12/18/2007
7255553Light guide plate mold core and method for manufacturing the same
A light guide plate mold core (1) includes a main body (13) having a molding surface (12) and a plurality of concavities (13a) formed at the molding surface. The main body is made of a material whose thermal conductivity is limited...
08/14/2007
7252281Apparatus for making a formwork for molding concrete walls
A formwork making apparatus includes a bottom block, two side locating boards arranged in parallel on the bottom block, two forming boards respectively adhered to the side locating boards and set facing each other, two blocking plates set between the two side locati...
08/07/2007
7229263Pressing device for manufacturing of shaped compacts from pulverized material
The present teachings describe various aspects of a pressing device for manufacturing of shaped compacts from pulverized or granulated material. In one aspect, the pressing device includes a frame structure, which, via a lower connection device adapter-like, can be ...
06/12/2007
7118370Composite spar drape forming machine
A machine and a method for forming composite materials are provided. The machine includes a frame and at least one forming beam attached to the frame, the at least one beam being arranged to align with a mandrel. The forming beam is pivotally segmented into at least...
10/10/2006
6938539Apparatus for making chocolate articles on a conveyor web
An embodiment of the invention includes an apparatus for making edible articles out of a chocolate or chocolate-like mass that is tempered and deposited directly on a conveyor web. The apparatus includes a holding and cooling device carrying plungers with pressing s...
09/06/2005
6936211Tampon applicator having outwardly flared rim
Methods for making a tubular device that has a rim disposed at one end thereof. In one method, a sleeve having an expandable profiling surface is inserted into an end of the tubular member, and the profiling surface is expanded to form a shoulder projecting outwardl...
08/30/2005
6845708Apparatus for pressing edible articles
An embodiment of the invention includes an apparatus for pressing an edible article. The apparatus includes a holding device including a channel for circulating a cooling liquid and also including independently suspended plungers. Each independently suspended plunge...
01/25/2005
6843168Apparatus for pressing edible articles
An embodiment of the invention includes an apparatus for pressing an edible article. The apparatus includes a holding device including a channel for circulating a cooling liquid and also including an independently suspended plunger. The independently suspended plung...
01/18/2005
6773642Method of forming a concrete retaining wall block in a front face up position
A method of forming a concrete retaining wall block having a front face and an opposed back face in a front fact up position. The method includes inserting a plurality of tines of a horizontal core puller into a plurality of holes in the bottom of a mold such that t...
08/10/2004
6772679Apparatus for making chocolate articles on a conveyor web
An embodiment of the invention includes an apparatus for making edible articles but of a chocolate mass that is tempered and deposited directly on a conveyor web The apparatus includes a holding a holding and cooling device carrying plungers with pressing surfaces a...
08/10/2004
6615711Press-forming machine for glass
An object of the present invention is to facilitate the release of a formed product from a die. A lower die is formed of a die plate, a plurality of cores, a cavity die and a slide plate. In the cavity die, a plurality of first opening portions are formed...
09/09/2003
6604930Concrete block molding machinery
A molding machine for a concrete mix includes a frame with a vibratible mold having a vertical through cavity with hollow cores extending downwardly in the mold cavity. A pallet receiver with a pallet thereon is movable upwardly to close the bottom of the...
08/12/2003
6569364Method for press-molding dielectric block
An interface F between upper mandrels and lower mandrels are moved to a predetermined position in a cavity with the upper mandrels and the lower mandrels slidingly moving toward the lower punch while the upper mandrels and the lower mandrels remain in con...
05/27/2003
6508642Apparatus for the production of shells of fat-containing, chocolate masses
A system for the producing of shells of fat-containing, chocolate-like masses, which includes more than one cavity to receive the masses and more than one core member to be immersed in the mass-containing cavity. The core members are independently suspend...
01/21/2003
6468381Method of making a golf ball and golf ball compression mold
The present invention is an improved method for making a golf ball. Two cups are molded from an elastomer separately from a center. The cups are molded on both sides of a center mold plate with hemispherical protrusions having a channel circumventing the ...
10/22/2002
6442976Liquid cooling of glassware molds
A system and method of cooling glassware molds by directing liquid coolant to the blank or blow mold halves of a glassware forming machine through an enclosed pivotal rotary union-type structure. A coolant manifold is carried by each pivotal mold arm, and...
09/03/2002
6382949Metal mold for producing a synthetic resin molded product in a compression-molding method
The present invention relates to a metal mold for producing a synthetic resin molded product in a compression-molding method, which is comprises a pair of male and female molds which are allowed to mutually slide over a contact face, with the outer circum...
05/07/2002
6322742Method of producing stackable concrete blocks
A method of preparing stackable block structures from raw concrete mixes and block structures prepared in accordance with the method, wherein the process utilizes a mold box configured to form the block on its side surface. The mold box is arranged to tra...
11/27/2001
6003339Glass compression molding machine and machining chamber therefor
A molding die assembly includes an upper molding die and a lower molding die facing the upper molding die with provision for their alignment. The upper molding die includes an upper core, while the lower molding die includes a hollow cylinder and a lower ...
12/21/1999
6004120Apparatus for manufacturing pressed powder body
An apparatus for manufacturing a pressed powder body has a die assembly comprising an upper die and a lower die, for pressing an unpressed powder body of a material powder filled on a pressing surface of the lower die, into a pressed powder body between t...
12/21/1999
5900196Process and apparatus for forming items having layers with controlled thickness
A process for forming such manufactured items as imitation leather, or the like, from thermoplastic materials, thermosetting materials or elastomers, having at least one foamed layer, characterized in that said process comprises the following steps: a) fo...
05/04/1999
5846576Apparatus for the production of shaped bricks
The mold for the production of concrete shaped bricks has several mold cavities, which are filled with free-flowing concrete. To produce recesses in the interior or on the outer sides of the shaped brick, to each mold cavity there correspond one or more m...
12/08/1998
5843484Form tool for compression forming a molded body from a sintered powder
There is described a form tool for compression forming a molded body having a circular cylindrical through hole with at least one helical groove from a sintering powder, which form tool has a mantle (1) with an inserted mold core (2), which forms at least...
12/01/1998
5840348Automated carbon block molding machine and method
A carbon block molding machine which automates the heating, compressing and cooling steps which previously were done by hand. A mold unit has an inner sleeve for receiving the mixture of granular carbon particles and the hinder. A pressure unit compresses...
11/24/1998
5807591Method and apparatus for forming concrete products
A mold box is flexibly mounted to a product forming machine having upper and lower vertically displaceable beams. A feed drawer dispenses concrete material into the mold box while a vibration system vertically vibrates the mold box while dampening horizon...
09/15/1998
5780072Manufacturing apparatus for manufacturing TM dual mode dielectric resonator apparatus
In a TM dual mode dielectric resonator apparatus, a cross-shaped TM dual mode dielectric resonator is provided in an electrically conductive case, and the TM dual mode dielectric resonator includes first and second dielectric resonators integrally formed ...
07/14/1998
5762854Compression molding process
A compression molding process for forming an article, preferably a preform or closure, is provided. The process includes the steps of forming thermoplastic resin into a precursor, wherein the precursor fits in a compression mold and has a shape for allowi...
06/09/1998
5759592Compression mold for forming a composite material fixed angle rotor
A method and apparatus for the compression molding of composite fiber fixed angle rotors is disclosed. A female mold member defines a closed cylinder cavity for molding the bottom surface of the rotor, this cavity usually defining a frustum shaped central...
06/02/1998
5569425Method and apparatus for making fiber-filled cushion
Method and apparatus for quickly, and substantially uniformly, heating and cooling a bed of polymeric fibers having high melting point and low melting point fibers therein for softening the low melting point fibers and bonding them to the high melting poi...
10/29/1996
5536160Apparatus and method for manufacturing a work surface
A solidifying liquid is placed into a mold having sides and a planar bottom. A plurality of separators are attached to the bottom of a support grid. The support grid is then placed onto the mold, with positioning projections extending through holes in the...
07/16/1996
5424026Method and apparatus for compressively molding cushioning material made from recycled paper or pulp
The invention provides an apparatus for compressively molding cushioning material using a quadrangular cylindrical molding box having an end side closed by a receiver mold, whereas the other end of said molding box receives supply of dry raw material cons...
06/13/1995
5397228Method and device for the fabrication of perforated blocks
Device for the fabrication of concrete blocks having thin through holes for the drainage of water (perforated blocks), the fabrication taking place in at least one mold filled with concrete, which mold is supported on a mold table, and at least one male d...
03/14/1995
5382155Molds for forming cardboard boxes
The mold that belongs to a cardboard box forming machine is comprised of four forming corners, equal to each other, assembled in such a way that they can be moved longitudinally and transversally in order to carry out the adjustment of length as well as w...
01/17/1995
5366363Modular apparatus for compression forming or calibrating of powder metal workpieces
To form and compact a powdered metal workpiece (W) having an outer spiral circumference, for example a helical gear, the apparatus has a press mold (21) in a compaction press. This mold can be used for manufacture or for sizing or calibrating workpiece di...
11/22/1994
5336511Edible cone and apparatus and method for making same
An edible cone having a flexible body of substantially right elliptical cone shape with opposed rounded proximate and remote sides flairing from a vertex portion to and including a mouth portion, with opposed lip segments defining the mouth portion and ha...
08/09/1994
5259744Devices for forming two-tier helical gears
A device for forming a two-tiered external helical gear, having upper and lower parts having pitch circles of different diameters, includes a die, an upper punch and a lower punch which are rotatable relative to one another, and a core. The die is formed ...
11/09/1993
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