CORE OIL AND FRAGRANCE ADDITION APPARATUS AND METHOD
摘要
<p>An apparatus (10) and a method for applying a substance (12) to a web (20) are provided. The apparatus (10) includes a substance (12) and a valve for dispensing a known amount of substance (12) from the valve. A substance (12) supply is in communication with the valve (14) for supplying the substance to the valve. A fluid pressure source (18) is present and is in communication with the valve (14). The fluid pressure source (18) delivers fluid pressure to the valve (14) to actuate the valve in order to dispense a known amount of the substance from the valve (14). Also, the valve dispenses the substance at a rate in response to the speed of the web so that a substantially uniform amount of the substance is applied to the web.</p>
