Systems and methods for manufacturing reinforced weatherstrip
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-065/00
B32B-027/00
B65C-009/25
출원번호
UP-0716397
(2007-03-09)
등록번호
US-7718251
(2010-06-10)
발명자
/ 주소
Huntress, John E.
Mertinooke, Peter
출원인 / 주소
Amesbury Group, Inc.
대리인 / 주소
Goodwin Procter LLP
인용정보
피인용 횟수 :
2인용 특허 :
267
초록▼
Methods for manufacturing fabric-reinforced weatherstrip include incorporating a fabric application step into a process for making coated substrates. In one embodiment, a strip of the fabric from a roll of material may be applied directly onto a coating after it has been applied in a coat die to a f
Methods for manufacturing fabric-reinforced weatherstrip include incorporating a fabric application step into a process for making coated substrates. In one embodiment, a strip of the fabric from a roll of material may be applied directly onto a coating after it has been applied in a coat die to a foam profile, while the coating is still in the molten state. Alternatively, a fabric application plate may be attached to an upstream side of coating die with a fabric feed channel cut into the plate. The fabric follows the channel to contact and mate with the foam profile. The fabric applicator plate may be configured so as to exert pressure on only the part of the product where the fabric is being applied. Ultrasonic welding techniques may also be employed.
대표청구항▼
What is claimed is: 1. A method of making a weatherstrip comprising a foam profile, a resin coating, and a cover layer, the method comprising the steps of: providing a foam profile comprising a longitudinal direction; providing a cover layer comprising a plurality of edges, wherein the cover layer
What is claimed is: 1. A method of making a weatherstrip comprising a foam profile, a resin coating, and a cover layer, the method comprising the steps of: providing a foam profile comprising a longitudinal direction; providing a cover layer comprising a plurality of edges, wherein the cover layer comprises a fabric; and passing the cover layer and the foam profile through a resin coating station, wherein the cover layer at least partially covers the foam profile, and wherein the resin coating is coated at least at the edges of the cover layer in the longitudinal direction while the resin is in a substantially liquid state so as to bond the edges to the foam profile, and wherein when a force is applied to compress the foam profile, a portion of the cover layer not bonded to the foam profile decouples from the foam profile. 2. The method of claim 1, further comprising the step of applying the cover layer to at least a portion of the foam profile. 3. The method of claim 1, further comprising the step of attaching a stiffener to at least one of the foam profile and the cover layer. 4. The method of claim 3, wherein the passing step further comprises passing the stiffener through the resin coating station. 5. The method of claim 4, wherein the passing step coats at least a portion of the stiffener with resin. 6. The method of claim 1, wherein only the cover layer edges are coated with the resin. 7. The method of claim 1, wherein the cover layer comprises a coated side and a reverse side. 8. The method of claim 7, wherein the reverse cover layer side is disposed proximate to the foam profile. 9. The method of claim 8, wherein the coated cover layer side and the resin form a bond upon contact. 10. The method of claim 1, further comprising the steps of: providing a forming station upstream from the resin coating station; and passing the cover layer through the forming station to preform the cover layer to a shape corresponding to a shape of the foam profile. 11. The method of claim 1, wherein the cover layer forms at least one wand. 12. The method of claim 1, further comprising the step of abrading the cover layer. 13. The method of claim 1, wherein the fabric comprises at least one of a woven and a non-woven material. 14. The method of claim 1, wherein the fabric comprises polypropylene. 15. The method of claim 1, wherein the fabric further comprises a film. 16. A method of making a weatherstrip comprising a foam profile, a resin coating, and a cover layer, the method comprising the steps of: providing a foam profile comprising a longitudinal direction; aligning a cover layer with at least a portion of the profile, wherein the cover layer comprises a plurality of edges and is from a fabric roll; and passing the cover layer and the foam profile through a resin coating station, wherein the cover layer at least partially covers the foam profile, and wherein the resin coating is coated at least at the edges of the cover layer in the longitudinal direction while the resin is in a substantially liquid state so as to bond the edges to the foam profile, and wherein when a force is app lied to compress the foam profile, a portion of the cover layer not bonded to the foam profile decouples from the foam profile. 17. A method of making a weatherstrip comprising a foam profile, a resin coating, and a cover layer, the method comprising the steps of: providing a foam profile comprising a longitudinal direction; dispensing a cover layer from a roll, wherein the cover layer comprises a plurality of edges; and passing the cover layer and the foam profile through a resin coating station, wherein the cover layer at least partially covers the foam profile, and wherein the resin coating is coated at least at the edges of the cover layer in the longitudinal direction while the resin is in a substantially liquid state so as to bond the edges to the foam profile, and wherein when a force is applied to compress the foam profile, a portion of the cover layer not bonded to the foam profile decouples from the foam profile. 18. A method of making a weatherstrip comprising a foam profile, a stiffener, a resin coating, and a cover layer, the method comprising the steps of: providing a foam profile comprising a longitudinal direction; providing a stiffener; providing a cover layer, wherein the cover layer comprises a fabric and a plurality of edges; and passing the cover layer, the stiffener, and the foam profile through a resin coating station, wherein the cover layer at least partially covers the foam profile, and wherein the resin coating is coated at least at the edges of the cover layer in the longitudinal direction while the resin is in a substantially liquid state so as to bond the edges to at least one of the stiffener and the foam profile, and wherein when a force is applied to compress the foam profile, a portion of the cover layer not bonded to at least one of the stiffener and the foam profile decouples from at least one of the stiffener and the foam profile. 19. The method of claim 18, further comprising the step of applying the cover layer to at least a portion of the foam profile. 20. The method of claim 18, wherein only the cover layer edges are coated with the resin. 21. The method of claim 18, wherein the cover layer comprises a coated side and a reverse side. 22. The method of claim 21, wherein the reverse cover layer side is disposed proximate to the foam profile. 23. The method of claim 22, wherein the coated cover layer side and the resin form a bond upon contact. 24. The method of claim 18, further comprising the steps of: providing a forming station upstream from the resin coating station; and passing the cover layer through the forming station to preform the cover layer to a shape corresponding to a shape of the foam profile. 25. The method of claim 18, further comprising the step of attaching a stiffener to at least one of the foam profile and the cover layer. 26. The method of claim 18, wherein the passing step coats at least a portion of the stiffener with resin. 27. The method of claim 18, wherein the cover layer is applied to the foam profile with at least one roller. 28. The method of claim 18, wherein the fabric further comprises raised ribs. 29. The method of claim 18, further comprising the step of passing the foam profile and cover layer through a second resin coating station, wherein at least a portion of the cover layer is coated with a second resin so as to form at least one rib, while the second resin is in a substantially liquid state.
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