Impact resistant door skin, door including the same, and method of manufacturing an impact resistant door skin from a pre-formed door skin
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-017/02
E06B-003/70
B32B-005/26
E06B-003/82
B29D-099/00
B32B-037/24
E06B-003/80
B29L-031/00
출원번호
US-0519849
(2014-10-21)
등록번호
US-9657511
(2017-05-23)
발명자
/ 주소
Pfau, James
Hart, Stephen
Bryant, James
출원인 / 주소
Masonite Corporation
대리인 / 주소
Berenato & White, LLC
인용정보
피인용 횟수 :
0인용 특허 :
20
초록▼
An impact resistant door skin, a door including the same, and a method of manufacturing an impact resistant door skin from a pre-formed door skin are provided. The method includes the steps of providing at least one preformed door skin and applying adhesive to a rear side of the at least one preform
An impact resistant door skin, a door including the same, and a method of manufacturing an impact resistant door skin from a pre-formed door skin are provided. The method includes the steps of providing at least one preformed door skin and applying adhesive to a rear side of the at least one preformed door skin. A fiberglass mesh mat is pressed onto the rear side of the at least one preformed door skin. Then, chopped glass fibers coated with adhesive are sprayed onto the rear side of the at least one preformed door skin using a chopper gun to form a layer of chopped glass fibers on the fiberglass mesh mat. The performed door skin may be a molded door skin having at least one recessed panel formed therein.
대표청구항▼
1. A method of reinforcing a plurality of molded preformed door skins, the method comprising the steps of: providing a plurality of molded preformed door skins;adhering a plurality of continuous fiberglass reinforcement layers to the plurality of molded preformed door skins so that each continuous f
1. A method of reinforcing a plurality of molded preformed door skins, the method comprising the steps of: providing a plurality of molded preformed door skins;adhering a plurality of continuous fiberglass reinforcement layers to the plurality of molded preformed door skins so that each continuous fiberglass reinforcement layer of the plurality of continuous fiberglass reinforcement layers is adhered by a first adhesive to an associated molded preformed door skin of the plurality of molded preformed door skins; andapplying adhesive-coated chopped fiberglass strands on each of the continuous fiber reinforcement layers opposite to the first adhesive. 2. The method of claim 1, further comprising the steps of: applying the first adhesive to the molded preformed door skins,wherein said adhering step comprises positioning the associated molded preformed door skin with the first adhesive between a heated platen and an inflatable membrane of a bag press assembly;positioning the continuous fiberglass reinforcement layer on the first adhesive on the associated molded preformed door skin;inflating the inflatable membrane of the bag press assembly to press the continuous fiberglass reinforcement layer to conform to the associated molded preformed door skin; andcuring the first adhesive. 3. The method of claim 1, wherein the step of applying the adhesive-coated chopped fiberglass strands comprises: feeding elongated glass fiber into a chopper gun;mixing an unreacted urethane base with a catalyst to form a second adhesive;coating the elongated glass fiber with the second adhesive;chopping the elongated glass fiber into the adhesive-coated chopped fiberglass strands; andspraying the adhesive-coated chopped fiberglass strands onto each of the continuous fiber reinforcement layers. 4. The method of claim 3, further comprising the steps of: applying the first adhesive to a first molded preformed door skin of the plurality of molded preformed door skins having a first shape and/or size and applying the first adhesive to a second molded preformed door skin of the plurality of molded preformed door skins having a second shape and/or size, the first shape and/or size being different from the second shape and/or size,wherein the step of adhering the plurality of the continuous fiberglass reinforcement layers to the plurality of the molded preformed door skins comprises adhering first and second continuous fiberglass reinforcement layers on rear side surfaces of first and second associated molded preformed door skins, respectively, using a bag, press assembly capable of adapting to both the first and second shapes and/or sizes, andwherein the step of applying the adhesive-coated chopped fiberglass strands on each of the continuous fiber reinforcement layers forms first and second non-continuous fiber reinforcement layers on rear side surfaces of the first and second continuous fiber reinforcement layers, respectively. 5. The method of claim 1, wherein the first adhesive is a moisture curable urethane. 6. The method of claim 1, wherein the adhesive-coated chopped fiberglass strands are coated with a two-component urethane adhesive. 7. The method of claim 1, wherein the step of applying the adhesive-coated chopped fiberglass strands on each of the continuous fiber reinforcement layers randomly orients the adhesive-coated chopped fiberglass strands on each of the continuous fiber reinforcement layers. 8. The method of claim 1, wherein the molded preformed door skins each have at least one panel molded therein. 9. The method of claim 1, wherein the molded preformed door skins comprise a polymeric material. 10. The method of claim 1, wherein the first continuous fiberglass reinforcement layer comprises a woven mesh mat. 11. The method of claim 1, further comprising the step of applying the first adhesive to a surface of the molded preformed door skins to be adhered, in said adhering step, to the continuous fiberglass reinforcement layers. 12. The method of claim 1, further comprising the step of applying the first adhesive to a surface of the continuous fiberglass reinforcement layers to be adhered, in said adhering step, to said molded preformed door skins. 13. A method of reinforcing a plurality of flush preformed door skins, the method comprising the steps of: providing a plurality of flush preformed door skins;adhering a plurality of continuous fiberglass reinforcement layers to the plurality of flush preformed door skins so that each continuous fiberglass reinforcement layer of the plurality of continuous fiberglass reinforcement layers is adhered by a first adhesive to an associated flush preformed door skin of the plurality of flush preformed door skins; andapplying adhesive-coated chopped fiberglass strands on each of the continuous fiber reinforcement layers opposite to the first adhesive. 14. The method of claim 13, further comprising the steps of: applying the first adhesive to the associated flush preformed door skin,wherein said adhering step comprises positioning the associated flush preformed door skin with the first adhesive between a heated platen and an inflatable membrane of a bag press assembly;positioning the continuous fiberglass reinforcement layer on the first adhesive on the associated flush preformed door skin;inflating the inflatable membrane of the bag press assembly to press the continuous fiberglass reinforcement layer to conform to the associated flush preformed door skin; andcuring the first adhesive. 15. The method of claim 13, wherein the step of applying the adhesive-coated chopped fiberglass strands comprises: feeding elongated glass fiber into a chopper gun;mixing an unreacted urethane base with a catalyst to form a second adhesive;coating the elongated glass fiber with the second adhesive;chopping the elongated glass fiber into the adhesive-coated chopped fiberglass strands; andspraying the adhesive-coated chopped fiberglass strands onto each of the continuous fiber reinforcement layers. 16. The method of claim 15, further comprising the steps of: applying the first adhesive to a first flush preformed door skin of the plurality of flush preformed door skins having a first shape and/or size and applying the first adhesive to a second flush preformed door skin of the plurality of flush preformed door skins having a second shape and/or size, the first shape and/or size being different from the second shape and/or size,wherein the step of adhering the plurality of the continuous fiberglass reinforcement layers to the plurality of the flush preformed door skins comprises adhering first and second continuous fiberglass reinforcement layers on rear side surfaces of first and second associated flush preformed door skins, respectively, using a bag press assembly capable of adapting to both the first and second shapes and/or sizes, andwherein the step of applying the adhesive-coated chopped fiberglass strands on each of the continuous fiber reinforcement layers forms first and second non-continuous fiber reinforcement layers on rear side surfaces of the first and second continuous fiber reinforcement layers, respectively. 17. The method of claim 13, wherein the first adhesive is a moisture curable urethane. 18. The method of claim 13, wherein the adhesive-coated chopped fiberglass strands are coated with a two-component urethane adhesive. 19. The method of claim 13, wherein the step of applying the adhesive-coated chopped fiberglass strands on each of the continuous fiber reinforcement layers randomly orients the adhesive-coated chopped fiberglass strands on each of the continuous fiber reinforcement layers. 20. The method of claim 13, wherein the flush preformed door skins comprise a polymeric material. 21. The method of claim 13, wherein the first continuous fiberglass reinforcement layer comprises a woven mesh mat. 22. The method of claim 13, further comprising the step of applying the first adhesive to a surface of the flush preformed door skins to be adhered, in said adhering step, to the continuous fiberglass reinforcement layers. 23. The method of claim 13, further comprising the step of applying the first adhesive to a surface of the continuous fiberglass reinforcement layers to be adhered, in said adhering step, to said flush preformed door skins. 24. A method of making a door comprising a plurality of reinforced preformed door skins, the method comprising the steps of: providing a plurality of preformed door skins;adhering a plurality of continuous fiberglass reinforcement layers to the plurality of preformed door skins so that each continuous fiberglass reinforcement layer of the plurality of continuous fiberglass reinforcement layers is adhered by an adhesive to an associated preformed door skin of the plurality of preformed door skins;applying adhesive-coated chopped fiberglass strands on each of the continuous fiber reinforcement layers opposite to the adhesive to provide a plurality of reinforced preformed door skins; andjoining first and second reinforced preformed door skins of the plurality of reinforced preformed door skins to opposite sides of a door frame. 25. The method of claim 24, further comprising the step of applying the adhesive to a surface of the preformed door skins to be adhered, in said adhering step, to the continuous fiberglass reinforcement layers. 26. The method of claim 24, further comprising the step of applying the adhesive to a surface of the continuous fiberglass reinforcement layers to be adhered, in said adhering step, to said preformed door skins.
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