Finger glove

Details Finger glove Finger glove

2001-04-04

2003-11-18

Lindsey, Rodney M. (Department: 3765)

Apparel

Guard or protector

Hand or arm

C002S167000, C015S104940, C015S167100, C015S227000, C401S007000

Reexamination Certificate

active

06647549

ABSTRACT:

BACKGROUND OF THE INVENTION
Cotton balls, swabs, and gauzes are commonly used for a variety of reasons. For instance, a cotton ball can be used to apply diaper rash ointments, medications, alcohol, oral anesthetics, etc. Moreover, in some cases, a cotton ball can also be utilized to remove various types of materials from a person, such as, for example, facial make-up. In each of these fields, the cotton ball or swab is typically configured to deliver a particular additive or ingredient to the area of application.
However, in some instances, it may be difficult for a user to apply an additive to a cotton ball, for example, without undesirably spilling some of the additive. Moreover, cotton materials can often be relatively expensive and difficult to process in comparison to other types of materials. As such, a need currently exists for an improved product capable of delivering an additive, such as a medication, to a particular area of application. In particular, a need currently exists for a finger glove capable of insulating a finger while delivering a particular additive.
In addition, another field in which a device is required to deliver an additive or ingredient is the field of teeth or gum cleaning. Teeth cleaning is regularly required to maintain dental hygiene. Various films and residues, such as plaque, can build up on teeth and gums over a period of time, thereby adversely affecting oral health. In the past, toothbrushes have been utilized to remove such films and residues. Conventional toothbrushes typically have two ends with one end being a handle and the other containing bristles designed to disrupt and remove plaque and other residues from the surfaces being cleaned.
Although conventional toothbrushes are useful in a wide variety of environments, in some circumstances, they are less than desirable. For example, some individuals desire to maintain dental hygiene by brushing their teeth throughout the day. Unfortunately, many daily environments do not provide a setting which fosters or even allows such activity. Moreover, travelers and those working in office environments may not find it convenient to use a toothbrush during the day. For instance, toothbrushes are not generally well-suited to be carried by persons on a day-to-day basis because of their bulky shape and the need to have access to a restroom lavatory.
In response to this desire for more frequent dental hygiene and for a cleaning device that can be easily used in public, various portable toothbrushes have been developed. In particular, a number of finger-mounted teeth cleaning devices were developed that could be placed on or over a finger and wiped over the teeth and gums. These devices are typically small, portable, and disposable.
One example of such a disposable teeth cleaning device is described in U.S. Pat. No. 3,902,509 to Tundermann et al. This device is made of a high wet strength material, such as a woven or nonwoven fabric, laminated to or coated with, a water-impervious material. The water-impervious material could be a thermoplastic material, such as polypropylene. Additionally, various materials, such as flavoring materials, bacteriostats, dentrifices, or detergents could be applied to the device. To use the device, one could simply place it over a finger and rub the surface of the device over the surfaces of the teeth to remove food and plaque films.
A similar oral hygiene finger device was more recently described in U.S. Pat. No. 5,445,825 to Copelan et al. In particular, this device includes a packet of protective material that contains a membrane therein. The membrane could, for example, be made from a nonwoven cellulose fiber mat with an embossed striated texture. The device described in Copelan et al. is dry and utilizes only the moisture in a user's own mouth. This packet could also be made from foil or moisture-impervious sheet plastic material.
These teeth cleaning devices, although portable, often fail to remain tightly fitted on a user's finger during cleaning. However, some finger-mounted teeth cleaning devices were developed to contain an elastomeric material that could help prevent the device from slipping or falling off the user's finger during cleaning. Examples of such teeth cleaning devices are disclosed in U.S. Pat. Nos. 5,068,941 to Dunn; 5,348,153 to Cole; 5,524,764 to Kaufman et al.; and PCT Publication No. WO 95/31154 to Mittiga et al. Despite the apparent benefit of such elastic teeth cleaning devices, these devices remain deficient in a variety of ways. For instance, these devices are often difficult to process using high speed manufacturing techniques, thereby necessitating higher production costs. Moreover, these devices can also fail to adequately fit onto the finger of a user, can be allergenic to a user, and in some cases, lack an aesthetically pleasing appearance. In addition, these devices are often not suitable for application with various additives useful for cleaning teeth or otherwise improving oral hygiene. Furthermore, these devices are typically not breathable nor moisture-impervious.
SUMMARY OF THE INVENTION
Definitions
As used herein, the term “biconstituent fibers” refers to fibers which have been formed from at least two polymers extruded from the same extruder as a blend. Biconstituent fibers do not have the various polymer components arranged in relatively constantly positioned distinct zones across the cross-sectional area of the fiber and the various polymers are usually not continuous along the entire length of the fiber, instead usually forming fibrils or protofibrils which start and end at random. Biconstituent fibers are sometimes referred to as multiconstituent fibers. Fibers of this general type are discussed in, for example, U.S. Pat. Nos. 5,108,827 and 5,294,482 to Gessner. Biconstituent fibers are also discussed in the textbook
Polymer Blends and Composites
by John A. Manson and Leslie H. Sperling, copyright 1976 by Plenum Press., a division of Plenum Publishing Corporation of New York, IBSN 0-306-30831-2, at pages 273 through 277.
As used herein, the term “breathable” means pervious to water vapor and gases. In other words, “breathable barriers” and “breathable films” allow water vapor to pass therethrough, but are substantially impervious to liquid water. For example, “breathable” can refer to a film or laminate having water vapor transmission rate (WVTR) of at least about 300 g/m
2
/24 hours measured using ASTM Standard E
96-80,
upright cup method, with minor variations as described in the following Test Procedure.
A measure of the breathability of a fabric is the water vapor transmission rate (WVTR) which, for sample materials, is calculated essentially in accordance with ASTM Standard E
96-80
with minor variations in test procedure as set forth hereinbelow. Circular samples measuring three inches in diameter are cut from each of the test materials, and tested along with a control, which is a piece of “CELGARD” 2500 sheet from Celanese Separation Products of Charlotte, N.C. “CELGARD” 2500 sheet is a microporous polypropylene sheet. Three samples are prepared for each material. The test dish is a No. 60-1 Vapometer pan distributed by Thwing-Albert Instrument Company of Philadelphia, Pa. 100 milliliters of water is poured into each Vapometer pan and individual samples of the test materials and control material are placed across the open tops of the individual pans. Screw-on flanges are tightened to form a seal along the edges of the pan, leaving the associated test material or control material exposed to the ambient atmosphere over a 6.5 cm diameter circle having an exposed area of approximately 33.17 square centimeters. The pans are placed in a forced air oven at 100° F. (32° C.) for one hour to equilibrate. The oven is a constant temperature oven with external air circulating through it to prevent water vapor accumulation inside. A suitable forced air oven is, for example, a Blue M Power-O-Matic 600 oven distributed by Blue M Electric Company of Blue Island, Ill. Upon completion of the equilibration, the pans a

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