Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Perforation by differential fluid pressure; or smoothing,...
Patent
1995-12-21
1997-09-23
Timm, Catherine
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Perforation by differential fluid pressure; or smoothing,...
264131, 264164, 4253261, 4253871, 425 90, B29C 6708, B29C 6902
Patent
active
056701101
ABSTRACT:
The present invention provides a process for forming a three-dimensional, macroscopically-expanded, fluid pervious web having an improved functional surface comprised of a sheet of polymeric material having a first surface and a second surface. A plurality of discrete deposits of a water resistant resinous material having a pre-determined open time are deposited on the first surface of the sheet. The deposits of resinous material are drawn upwardly from the first surface of the sheet to form corresponding fibrils during the open time. After resinous material has cured, the sheet is fed onto a forming structure having opposed surfaces such that the sheet is in contact with the forming structure. The forming structure exhibits a multiplicity of apertures which place the opposed surfaces of the forming structure in fluid communication with one another. A fluid pressure differential is applied across the thickness of the sheet which is sufficiently great as to cause the sheet to rupture in those areas coinciding with the apertures in the forming structure and to conform with the forming structure while substantially maintaining the orientation of the fibrils. The priming and drawing steps are preferably accomplished via a screen printing roll, and the fluid pressure differential preferably comprises a high pressure jet of liquid.
REFERENCES:
patent: 3929135 (1975-12-01), Thompson
patent: 3965906 (1976-06-01), Karami
patent: 3967623 (1976-07-01), Butterworth et al.
patent: 4151240 (1979-04-01), Lucas et al.
patent: 4214945 (1980-07-01), Lucas et al.
patent: 4311745 (1982-01-01), Civardi
patent: 4342314 (1982-08-01), Radel et al.
patent: 4377544 (1983-03-01), Rasmussen
patent: 4508256 (1985-04-01), Radel et al.
patent: 4585449 (1986-04-01), Karami
patent: 4609518 (1986-09-01), Curro et al.
patent: 4628857 (1986-12-01), Coningsby
patent: 4629643 (1986-12-01), Curro et al.
patent: 4655757 (1987-04-01), McFarland et al.
patent: 4695422 (1987-09-01), Curro et al.
patent: 4725473 (1988-02-01), Van Gompel et al.
patent: 4741941 (1988-05-01), Englebert et al.
patent: 4743483 (1988-05-01), Shimizu et al.
patent: 4772444 (1988-09-01), Curro et al.
patent: 4778644 (1988-10-01), Curro et al.
patent: 4839216 (1989-06-01), Curro et al.
patent: 4878825 (1989-11-01), Mullane et al.
patent: 5058247 (1991-10-01), Thomas et al.
patent: 5116563 (1992-05-01), Thomas et al.
patent: 5124111 (1992-06-01), Keller et al.
patent: 5128082 (1992-07-01), Makoui
patent: 5158819 (1992-10-01), Goodman, Jr. et al.
patent: 5180534 (1993-01-01), Thomas et al.
patent: 5229186 (1993-07-01), Tribble et al.
patent: 5230851 (1993-07-01), Thomas
patent: 5318741 (1994-06-01), Thomas
patent: 5431643 (1995-07-01), Ouellette et al.
patent: 5441691 (1995-08-01), Dobrin et al.
patent: 5454801 (1995-10-01), Lauritzen
Ahr Nicholas Albert
Dirk Raymond John
Andes William Scott
Linman E. Kelly
Rasser Jacobus C.
The Procter & Gamble & Company
Timm Catherine
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