Lid for beverage container with removable inner cover having...

Foods and beverages: apparatus – Beverage – Infusors

Reexamination Certificate

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C099S317000, C099S323000, C099S279000, C426S433000, C426S435000, C426S082000

Reexamination Certificate

active

06314866

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates generally to tea making and dispensing, and more particularly, to an infuser for making tea, “herbal teas,” coffees, flavored coffees and teas, and other steeped beverages. The infuser of the invention provides improved performance, convenience and other advantages in use, and is preferably a low-cost, disposable unit
While the infuser unit, in its preferred embodiments, relates to infused beverages, such as loose tea, the infuser unit has broader applications. The present invention encompasses a novel method of making beverages, both infused and brewed. Additionally, the present invention relates to a novel construction of a lid for beverages and novel methods of using the lid in the making of different types of beverages. The novel construction of the lid and infuser unit provides other advantages that are not necessarily related to making of the beverage, as will be evident from the description set forth below.
In recent years, there has been a rapid upsurge of interest in so-called gourmet coffee beverages. The numerous flavors and varieties of coffees have been heavily advertised and promoted. The public has become acquainted with specialty coffee shops serving a large variety of these products. Many so-called premium coffee shops receive high prices for their products, whether sold for on-premises or off-premises consumption.
Owing in part to the increasing saturation of the “gourmet” coffee market, and in response to a perceived need for lower-caffeine “healthy” beverages, there has been a growing interest in the consumption of teas and “herbal teas” (also known as “tisanes” and “infusions”) in the United States. Worldwide, teas have a much longer tradition of acceptance than coffee and are consumed on a very widespread basis.
While tea brewing and consumption differ from coffee brewing and consumption in several important respects, the products and methods in other respects present similar problems, many of which are overcome by the present invention.
Prior to the advent of the tea bag, tea was customarily prepared by placing tea leaves in a pot, over which leaves near-boiling water was poured and steeped until a beverage of the desired strength was reached. In order to avoid the buildup of bitterness or other undesirable flavor, it was known to provide screens or strainers whereby the tea leaves could be confined for removal at a desired point in the brewing cycle. The use of strainers and the like, however, has the drawback of being relatively clumsy and inefficient from an equipment standpoint. Strainers require frequent cleaning and require the user to remove the strainer when the desired strength of beverage has been achieved. Strainers are also difficult to fill, seal, and to remove and store without dripping. Strainers are also often too small to allow sufficient circulation of water, particularly when using the highest quality “full leaf” teas.
While the tea bag addresses certain of the disadvantages with straining equipment, it too, has many disadvantages. Most bagged tea is of low quality, and the process of placing tea leaves in bags involves the crushing and breaking of the leaves, to the considerable detriment of flavor. The relatively small size and fine texture of the tea bag restricts the circulation of the leaves in the hot water, inhibiting rapid and fill diffusion of the flavors into the body of the liquid. In addition, used tea bags, like the aforementioned strainers, create removal and disposal problems, particularly when the beverage is sold “to go” or on a “carry out” basis.
Another disadvantage of the tea bag is that it typically is available in one or two sizes only, effectively predetermining beverage strength for “carry out” products. Tea beverage strength is often varied by adjusting the proportion of water added to the leaves. However, for on-premises brewing of tea that is to be sold “to go,” cup sizes are generally standardized and, consequently, strength variation is not easily achieved where the size of the tea bag is fixed.
Bagging tea also adds significant cost to the price of the beverage. Commonly, tea is enclosed in a bag (often, with an attached string and tab to facilitate removal); the bag is in turn placed in a paper or foil envelope or sleeve, and then the envelope or sleeve is placed in a box. The cost of these steps and/or materials is substantial. Moreover, tea bags are far more bully per serving than “loose” teas, thereby increasing the costs of shipping, storing, and serving tea to consumers.
Another significant economic drawback of “bagging” tea is the cost of buying, maintaining, and operating expensive and specialized bagging equipment. Tea “co-packers” typically require minimum “run” quantities for a particular bag filling of 100,000 bags or more. A vendor's ability to commit to a wide variety of flavors in these quantities is considered prohibitively costly for all but the most established companies. Another difficulty with “co-packing” tea bags arises from the large scale, mass production aspect of such bagging: there can be considerable delays in scheduling and completing production runs. Obviously, passing tea ingredients—many of which are imported—through middlemen such as co-packers and their distributors adds to the cost of the product, and the inherent delay may also compromise freshness and flavor.
Many tea drinkers are also acutely aware of environmental problems and, for such consumers, there is a negative reaction to bleached papers that are often used in tea bags. Moreover, the use of strings and staples to facilitate the removal of the bag at the desired point in the brewing cycle creates problems in the disposition of such products, including separating them from waste streams. “Stringless” tea bags are designed to address this problem, but they are clumsy for servers, who should, for sanitary reasons, use tongs to place the bag in a cup. Stringless bags also subject the user to certain risks and inconveniences in removing the bag at the desired point in the brewing cycle: often, stringless bags are plucked out of the hot tea with the user's bare fingers.
The foregoing disadvantages associated with tea bags are exacerbated when the beverage is sold “to go.” The bag must be removed from the beverage between three and five minutes after purchase, typically too long to wait at the retail establishment and too soon before an appropriate receptacle for the dripping bag is located. Moreover, using a tea bag in a cup having a removable lid requires the user to open the lid in order to remove the bag, unless some sort of cumbersome bag receptacle is incorporated into the lid. The high temperature of the water creates a risk of injury if the cup is spilled while trying to remove the lid.
The foregoing aspects of the prior art practices argue strongly for using brewing methods other than those involving tea bags and conventional cup lids. However, the use of auxiliary equipment, including strainers, also creates difficulties in addition to the requirement that the equipment be manipulated after brewing and is hence unsuitable for takeout operations. In contrast, the present invention, in several embodiments described below, avoids or eliminates some of the disadvantages related to use of tea bags and other brewing methods while still permitting the use of tea bags or other such brewing methods. The present invention, in several embodiments described below, also overcomes some of the difficulties and disadvantages faced by lids for beverages, as those lids are conventionally constructed in the prior art. Yet, the present invention, in some embodiments, can also be used with bagged tea or other precharged infusions or precharged brewed beverages, such as coffee bags and the like.
Referring now to the characteristics and advantages of bulk, “loose” tea as far as potential customer satisfaction and retailing profit are concerned, bulk tea is almost invariably perceived to be of higher quality than bagged tea. Bulk tea also requires less space per se

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