Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7124483 | Process for producing stabilized tampons The invention relates to a process for providing stabilized compressed tampon pledgets. The process includes the steps of providing a compressed tampon pledget and forcing gas through the compressed absorbent pledget. In some embodiments, the process may occur in th... | 10/24/2006 |
| 7120977 | Process for producing stabilized tampons A process and apparatus for producing stabilized compressed tampons are disclosed. The process includes the steps of providing a compressed tampon pledget and forcing gas through the compressed tampon. In some embodiments, the process may occur in the presence of mo... | 10/17/2006 |
| 7059026 | Tampon especially for feminine hygiene and a process and apparatus for producing this A process for forming a tampon having a relatively high density, compressed core and a plurality of lower density longitudinal ribs is disclosed. The longitudinal ribs have a softer fiber structure and a coarser capillary structure and extend radially from the core.... | 06/13/2006 |
| 7047608 | Method of producing a shaped tampon The present invention provides for a method for producing a shaped tampon. The method includes the following steps: providing a mold having an inner surface, an outer surface, a first end, a second end, and an opening located in said second end; providing a tampon p... | 05/23/2006 |
| 6971981 | Method and apparatus for making interlabial pads The invention is directed to method and apparatus for making pads, such as interlabial pads. The apparatus includes a blending apparatus that weighs and blends fibers of different materials, at least one of which is absorbent. The blended fibers are conveyed through... | 12/06/2005 |
| 6310269 | Tampon especially for feminine hygiene and a process and apparatus for producing this A tampon having a relatively high density, compressed core (16) and a plurality of lower density longitudinal ribs (17) is disclosed. The longitudinal ribs (17) have a softer fiber structure and a coarser capillary structure and extend radially from the c... | 10/30/2001 |
| 6283952 | Shaped tampon The invention provides an improved tampon, particularly suited for use as a digital tampon, having a portion of fibers at a withdrawal end of the tampon displaced towards an insertion end, causing a fiber density in the vicinity of the withdrawal end to b... | 09/04/2001 |
| 6003216 | Domed compressed tampons An improved apparatus and method compresses a cylindrical blank into a tampon which is dimensionally stable and which is provided with a domed insertion end. A cylindrical blank is radially compressed and then introduced into a cylindrical axial compressi... | 12/21/1999 |
| 5832576 | Apparatus for producing a tampon having densified, solid, fibrous core A digital tampon (20) for feminine hygiene, having a round dome (33) and a recovery tape (24), consists of a blank which is shaped by winding up a length of continuous random fibre web and which is pressed to produce a preform having a fibre core, longitu... | 11/10/1998 |
| 5592725 | Tampon, as well as a method and a device for manufacturing it A tampon is produced rolling up a strip of fiber fleece material to form a cylindrical blank having a cylindrical mantle with mantle sections uniformly distributed over the circumference of the cylindrical blank. Pressing forces are applied to the mantle ... | 01/14/1997 |
| 5575047 | Method for making biodegradable absorbent pads There is provided a biodegradable feminine hygienic interlabia pad which includes a biodegradable inner absorbent sliver made of cotton or rayon and a biodegradable outer cover also made of cotton or rayon. The edges of the outer cover are sewn together t... | 11/19/1996 |
| 5161283 | Method and apparatus for forming an absorption body by using variable subpressure as fibers are drawn To produce an absorption body, a mold having an air-permeable bottom is filled progressively with airborne fibers of absorbent material and subpressure is applied through the air-permeable mold bottom. This subpressure is varied progressively and directly... | 11/10/1992 |
| 5084038 | Apparatus and a method for forming tampons and the tampon itself An apparatus and a method for forming tampons is disclosed, as well as the tampon itself. The apparatus includes a mechanism and the method includes the step of advancing and cutting a cover strip and an absorbent ribbon into predetermined lengths. A port... | 01/28/1992 |
| 4995150 | Method and apparatus for making feminine hygienic interlabia pads There is provided a method and apparatus for manufacturing feminine hygienic pads in the form of adjacent thick and thin elongated panels having a filler of absorbent material and an outer covering. A rope of absorbent material and a web of the outer cove... | 02/26/1991 |
| 4498218 | Apparatus for transmitting a tampon blank to a tampon press An apparatus for compressing a blank into a compressed tampon is provided. In the direction of its central axis, the apparatus comprises in succession a push rod, a transmitting device, a tampon press and an ejector mandrel. The carrier jaws of the transm... | 02/12/1985 |
| 4453296 | Apparatus for pressing workpieces of absorbent material, particularly tampons for feminine hygiene Between a pre-shaping device and a pressing device for tampons there is interposed a delivery device. The longer parallel legs of the L-shaped pressing jaws are set at a distance which corresponds to the diameter of the tampon. The shorter legs of the pre... | 06/12/1984 |
| 4177544 | Method of and apparatus for making tampons A carousel rotatable about a fixed axis carries a plurality of treatment units which are mounted on the carousel removably for easy repair and replacement. A supply fixed adjacent the carousel feeds a strip of pressable material tangentially toward the ca... | 12/11/1979 |
| 4109354 | Manufacture of tampons This invention relates to machines for the manufacture of tampons, the machines having a first set of n pressing dies arranged around a common central axis for pivotal movement together from a separated position for receiving a tampon blank inwardly towar... | 08/29/1978 |
| 4108299 | Apparatus and method for delivering tampon sacks and inserter parts to an assembly turret Apparatus and procedures for delivering tampon sacks having withdrawal strings at one end and inserter parts to an assembly turret having a plurality of operating heads on which the tampon sacks are assembled in the inserters, the apparatus comprising rot... | 08/22/1978 |
| 4081884 | Method for making dimensionally stable articles A method is provided for manufacturing a dimensionally stable compressed article such as an absorbent catamenial tampon comprising compressed cellulosic fibers. The method comprises the steps of first radially compressing a cylindrical blank to form a rad... | 04/04/1978 |
| 4006515 | Apparatus for forming tampons and assembling same in inserters Apparatus and procedures for continuously forming rosette shaped tampons from aggregate containing tubular sacks or overwraps having withdrawal strings at one end and assembling the tampons in inserters, the apparatus comprising rotary transfer mechanism ... | 02/08/1977 |