Weatherstrip assembly for sealing between a frame and a closure member and a method for producing the same
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60J-010/22
B29D-099/00
출원번호
US-0642398
(2015-03-09)
등록번호
US-9475374
(2016-10-25)
발명자
/ 주소
Murree, Stephen J.
Libriani, Alessandro
Krueger, Robert
출원인 / 주소
HENNIGES AUTOMOTIVE SEALING SYSTEMS NORTH AMERICA INC.
대리인 / 주소
Howard & Howard Attorneys PLLC
인용정보
피인용 횟수 :
1인용 특허 :
21
초록▼
A weatherstrip assembly for a vehicle. The assembly includes a body having a base and first and second legs which define a channel. The body includes an interior base surface, a first interior leg surface, and a second interior leg surface disposed within the channel. The assembly includes at least
A weatherstrip assembly for a vehicle. The assembly includes a body having a base and first and second legs which define a channel. The body includes an interior base surface, a first interior leg surface, and a second interior leg surface disposed within the channel. The assembly includes at least one sealing lip having an abutment surface and a wearstrip disposed along at least one of the interior base surface, the first and second interior leg surfaces, and the abutment surface and formed of a thermoplastic polyethylene material. The wearstrip has a plurality of alternating wear sections and gaps that define a series of alternating semi-rigid and flexible sections, respectively, with each wear section having first and second surfaces. The first surface of one of the wear sections and the second surface of an adjacent wear section face each other to define the gap.
대표청구항▼
1. A weatherstrip assembly for sealing between a frame and a closure member of a vehicle, said assembly comprising: a body extending along an axis to first and second opposing ends, said body having; a base;a first leg extending from said base;a second leg extending from said base with said first an
1. A weatherstrip assembly for sealing between a frame and a closure member of a vehicle, said assembly comprising: a body extending along an axis to first and second opposing ends, said body having; a base;a first leg extending from said base;a second leg extending from said base with said first and second legs spaced from and extending substantially parallel to each other, and said base and said legs defining a channel for receiving the closure member;an exterior surface disposed outside of said channel;an interior base surface disposed within said channel along said base;a first interior leg surface disposed within said channel along said first leg; anda second interior leg surface disposed within said channel along said second leg;at least one sealing lip having an abutment surface with said sealing lip extending from at least one of said first and second legs for selectively engaging the closure member; anda wearstrip disposed along and extending from at least one of said interior base surface, said first interior leg surface, said second interior leg surface, and said abutment surface with said wearstrip formed of a thermoplastic polyethylene material for reducing friction as the closure member moves relative to said weatherstrip assembly;wherein said wearstrip has a plurality of alternating wear sections and gaps that define a series of alternating semi-rigid and flexible sections, respectively, along said axis, with each wear section having first and second surfaces and an engagement surface extending between said first and second surfaces with said first surface of one of said wear sections and said second surface of an adjacent wear section being interconnected along said axis by a transition section across one of said gaps between said adjacent wear sections with said wear sections having a first thickness from said at least one of said interior base surface, said first interior leg surface, said second interior leg surface, and said abutment surface to said engagement surface, and said transition section having a transition surface and a second thickness from said at least one of said interior base surface, said first interior leg surface, said second interior leg surface, and said abutment surface to said transition surface with said first thickness being greater than said second thickness such that each of said wear sections defines one of said semi-rigid sections and each of said transition sections defines one of said flexible sections;wherein each of said first and second surfaces of said wear sections comprises a first end and a second end defining a plane, with each of said first and second surfaces of said wear sections extending along said at least one of said interior base surface, said first interior leg surface, said second interior leg surface, and said abutment surface between said respective pair of ends along said respective plane, and with each of said first and second surfaces of said wear sections disposed substantially perpendicular to said axis between said respective pair of ends. 2. The weatherstrip assembly as set forth in claim 1 wherein said wearstrip has a width transverse to said axis and said wear sections extend across said width of said wearstrip. 3. The weatherstrip assembly as set forth in claim 1 wherein said body and said at least one sealing lip have a first coefficient of friction and said wear sections have a second coefficient of friction with said second coefficient of friction less than said first coefficient of friction for facilitating movement of the closure member along said wearstrip. 4. The weatherstrip assembly as set forth in claim 1 wherein each of said wear sections have a length with each of said lengths being substantially the same relative to each other. 5. The weatherstrip assembly as set forth in claim 1 wherein each of said wear sections have a rectangular configuration. 6. The weatherstrip assembly as set forth in claim 1 wherein said first thickness of said engagement surface of each of said wear sections is at least about 10 microns with said second thickness of said transition surface less than said first thickness. 7. The weatherstrip assembly as set forth in claim 1 wherein said thermoplastic polyethylene material of said wearstrip is further defined as an ultra-high-molecular-weight polyethylene material for reducing friction as the closure member moves along the wearstrip. 8. The weatherstrip assembly as set forth in claim 1 wherein each of said body and said at least one sealing lip are comprised of a rubber material for sealing against the closure member. 9. The weatherstrip assembly as set forth in claim 8 wherein said rubber material of each of said body and said at least one sealing lip is further defined as an ethylene propylene diene monomer rubber for sealing against the closure member. 10. The weatherstrip assembly as set forth in claim 1 further including at least one tab extending from said body away from said channel for coupling said weatherstrip assembly to the frame. 11. The weatherstrip assembly as set forth in claim 1 wherein said at least one of said interior base surface, said first interior leg surface, said second interior leg surface, and said abutment surface define a depression with said wearstrip at least partially disposed within said depression to facilitate adhesion between said wearstrip and said at least one of said interior base surface, said first and second interior leg surfaces, and said abutment surface. 12. The weatherstrip assembly as set forth in claim 1 wherein said engagement surfaces of said wear sections are substantially planar between said first and second surfaces.
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