Meltblown die having a reduced size
AssigneeKimberly-Clark Worldwide, Inc.
InventorsBryan Haynes, Michael Cook
Life of this patent
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Abstract
The present invention provides a meltblown die which has a considerable smaller width in the machine direction of the meltblowing process compared to conventional and commercially used meltblown dies. The meltblown die of the present invention has a. a die body; b. a die tip mounted to the die body; c. a first air plate mounted to the die body; and d. a second air plate mounted to the die body. In addition, the small size of the meltblown die of the present invention provides advantages over conventional meltblown die, including improved air entrainment.
Claims23
A meltblowing die comprising
- a. a die body;
- b. a die tip comprising a top side, a bottom side, a first side and a second side, wherein the top side is mounted to the die body, the bottom side is opposite the topside, the first side and the second side each extend from the topside towards the bottom side, the first side and the second side are opposite each other,
- c. a first air plate, wherein a portion of the first air plate is in contact with the first side of the die tip and a series of passages are formed by the first side of the die tip and the first air plate;
- and
- d. a second air plate, wherein a portion of the second air plate is in contact with the second side of the die tip and a series of passages are formed by the second side of the die tip and the second air plate.
A meltblowing die comprising
- a. a die body;
- b. a die tip mounted to the die body;
- c. a first air plate mounted to the die body;
- d. a second air plate mounted to the die body;
- and
- e. a distribution chamber which provides a pathway for a material to be formed into fibers from the die body to the die tip wherein the distribution chamber has a non-linear course in the cross-machine direction.
A meltblowing die comprising
- a. a die body
- b. a die tip mounted to the die body;
- c. a first air plate mounted to the die body;
- and
- d. a second air plate mounted to the die body,
- wherein the meltblowing die has an overall width in the machine direction of less than 16 cm.
Dependencies are inferred from the claim text.