Method and apparatus for manufacturing open core elements from web material
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-065/54
B29C-065/52
B32B-037/02
B32B-038/04
출원번호
US-0476474
(2006-06-28)
등록번호
US-7459049
(2008-12-02)
발명자
/ 주소
Marschke,Carl R.
출원인 / 주소
Marschke,Carl R.
대리인 / 주소
Andrus, Sceales, Starke &
인용정보
피인용 횟수 :
2인용 특허 :
14
초록▼
A continuous, fully automated and highly productive system for the production of open core elements utilizes various formations of fluted input webs which are cut into strips, glued, cross-transferred, and serially upended for placement against preceding strips to build up an open core element. The
A continuous, fully automated and highly productive system for the production of open core elements utilizes various formations of fluted input webs which are cut into strips, glued, cross-transferred, and serially upended for placement against preceding strips to build up an open core element. The open core elements are useful in the manufacture of structural members such as doors, floor panels and all panels.
대표청구항▼
I claim: 1. A method for continuous manufacture of open core elements, comprising the steps of: (1) forming two composite web halves each comprising a smooth web and a fluted web; (2) orienting said composite web halves with the exposed fluted web flutes facing up; (3) applying an adhesive to the e
I claim: 1. A method for continuous manufacture of open core elements, comprising the steps of: (1) forming two composite web halves each comprising a smooth web and a fluted web; (2) orienting said composite web halves with the exposed fluted web flutes facing up; (3) applying an adhesive to the exposed flute tips of one web half; (4) adhering the other web half by its smooth web to the glued flute tips of said one web half to form an open face double wall web; (5) slitting the open face double wall web longitudinally to form a plurality of adjacent equal width open face double wall strips; (6) applying an adhesive to the exposed flute tips of said open face double wall strips; (7) cutting said strips transversely to a common selected length, and, (8) upending the strips onto common lateral strip edges and adhering the glued flutes of each strip to the smooth web of the next adjacent strip to form an open core element. 2. The method as set forth in claim 1 including, prior to the step of adhering said other web half to said one web half, the step of aligning the flute tips of the web halves tip-to-tip. 3. The method as set forth in claim 1 including, after the step of adhering said other web half to said one web half, the step of heating the open face double wall web to cure the adhesive. 4. The method as set forth in claim 1 including, prior to the upending step, the steps of: (1) accelerating said strips to form a gap between said strips and the next following plurality of strips; and, (2) cross-transferring said strips out of the path of said next following plurality of strips. 5. The method as set forth in claim 1 including the additional step of applying a normal force to the upended and adhered strips. 6. The method as set forth in claim 1 including the step of cutting the open core element to a selected size. 7. The method as set forth in claim 6 wherein the cutting step comprises at least one of: (1) cutting one edge of the core element in the longitudinal direction of the strips; and, (2) cutting one end of the core element in a direction transverse to said strips. 8. The method as set forth in claim 1 wherein each of said composite web halves is formed separately. 9. The method as set forth in claim 8 wherein said webs are formed with the fluted web flutes facing downwardly, and including the step of reorienting said webs before applying an adhesive to position the flutes to face upwardly. 10. The method as set forth in claim 1 including the steps of: (1) forming a double width composite web; and, (2) slitting the double width web to form said two composite web halves. 11. A method for the continuous manufacture of open core elements, comprising the steps of: (1) forming a composite web comprising at least one smooth web and a fluted web; (2) orienting said composite web with the fluted web flutes facing up; (3) slitting the web longitudinally to form a plurality of adjacent equal width strips; (4) applying an adhesive to the exposed flute tips of said plurality of strips; (5) cutting said strips transversely to a common selected length; and, (6) upending the strips onto common lateral strip edges and adhering the glued flutes of each strip to the smooth web of the next adjacent strip to form an open core element. 12. The method as set forth in claim 11 including the steps of: (1) eliminating the application of adhesive to a lead strip for a strip group having a selected number of strips; (2) supporting the upended lead strip on its unglued face; and, (3) pressing the subsequent upended strips of the group against said lead strip. 13. The method as set forth in claim 12 including the step of orienting the upended strips to form a downwardly directed core element. 14. The method as set forth in claim 13 including the step of inserting a weighted strip on the upper end strip of each core element. 15. The method as set forth in claim 11 including, prior to the upending step, the step of aligning the flute tips on adjacent strips tip-to-tip. 16. The method as set forth in claim 11 wherein the forming step comprises forming two composite webs, and further including the step of joining said webs to form an open face double wall web. 17. The method as set forth in claim 16 including the preliminary steps of: (1) forming a double width composite web; and, (2) slitting said double width web to form said two composite webs. 18. The method as set forth in claim 16 wherein said composite webs are formed separately. 19. The method as set forth in claim 18 wherein said webs are formed with the fluted web flutes facing downwardly, and including the step of reorienting said webs before joining with the flutes facing upwardly. 20. A method for continuous manufacture of open core elements, comprising the steps of: (1) forming a composite web from two webs including at least one fluted web; (2) orienting said composite web with exposed fluted web flutes facing up; (3) slitting the composite web longitudinally to form a plurality of adjacent equal width strips; (4) applying an adhesive to the exposed upwardly facing flute tips of said strips; (5) cutting said strips transversely to a common selected length; and, (6) upending the strips onto common lateral strip edges and adhering the glued flutes of each strip to the next adjacent strip to form an open core element.
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이 특허에 인용된 특허 (14)
Hoelzinger ; Walther J., Apparatus for forming multi-flute-layer corrugated board.
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