US4024038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive processes
Assignee: Individual
•
Filing: 1974-03-28
•
Granted: 1977-05-17
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Expires: 1994-03-28
Abstract
Abstract The method of modifying materials in a uniform and reproducible manner which comprises activating and treating materials, the treating step being performed with modification agent. There is also disclosed an apparatus for modifying materials.
Inventors
- 👤 Jane Luc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:16
CPC Classifications
D; D06; D06Q; D06Q1/00; B; B29; B29C; B29C59/00; B29C71/00; B29C71/0081; D06M; D06M14/00; D06M14/18; B29C59/02; B29C59/08; B29C59/10; B29C59/16; B29L; B29L2007/00; B29L2007/008
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
276 words
The method of imparting a predetermined area pattern of modified properties to sheet material while maintaining the integrity of the surfaces of the sheet material, comprising the steps of: a. placing the sheet material contiguous with a pattern-defining member having an exposed surface and having an area configuration extending adjacent the exposed surface of the member and including a multiplicity of variations in predetermined properties of the member corresponding to an image of the area pattern which is to be imparted to the sheet material, the placing of the sheet material including positioning a surface of the sheet material in a juxtaposed relationship, contiguous with and facing the exposed surface of the pattern defining member and the area configuration thereof, and b. subjecting the sheet material to a high level of energy directed at a surface of the sheet material which is opposite to and faces away from the surface of the sheet material contiguous with the pattern defining member, the high level of energy being focused by the area configuration on the sheet material, and being sufficient to affect the properties of the sheet material in the area pattern corresponding to the focused image of the area configuration of the pattern-defining member while maintaining the integrity of the surface of the sheet material, the high level of energy being insufficient to cause deformation or fusion of the sheet material subjected thereto, whereby the properties of the sheet material, including properties of both the surface of the sheet material contiguous with and facing away from the pattern-defining member, are modified in an area pattern corresponding to an image of the area configuration of the pattern-defining member.
Claim 2
Independent Claim
276 words
The method of imparting a predetermined area pattern of modified properties to sheet material while maintaining the integrity of the surfaces of the sheet material, comprising the steps of: a. placing the sheet material contiguous with a pattern-defining member having an exposed surface and having an area configuration extending adjacent the exposed surface of the member and including a multiplicity of variations in predetermined properties of the member corresponding to an image of the area pattern which is to be imparted to the sheet material, the placing of the sheet material including positioning a surface of the sheet material in a juxtaposed relationship, contiguous with and facing the exposed surface of the pattern defining member and the area configuration thereof, and b. subjecting the sheet material to a high level of energy directed at a surface of the sheet material which is opposite to and faces away from the surface of the sheet material contiguous with the pattern defining member, the high level of energy being focused by the area configuration on the sheet material, and being sufficient to affect the properties of the sheet material in the area pattern corresponding to the focused image of the area configuration of the pattern-defining member while maintaining the integrity of the surface of the sheet material, the high level of energy being insufficient to cause deformation or fusion of the sheet material subjected thereto, whereby the properties of the sheet material, including properties of both the surface of the sheet material contiguous with and facing away from the pattern-defining member, are modified in an area pattern corresponding to an image of the area configuration of the pattern-defining member.
Claim 3
Dependent Claim
91 words
The method of imparting a predetermined area pattern of modified properties to sheet material in accordance with claim 1 in which the step of placing the sheet material contiguous with the exposed surface of the pattern-defining member comprises placing the sheet material contiguous with the exposed surface of a pattern-defining member having an area configuration which corresponds to an image of the area pattern which is to be focused upon the sheet material and which includes a multiplicity of topographical variations in depth extending into the exposed surface and terminating therein.
Claim 4
Dependent Claim
39 words
The method of claim 1 in which the step of placing the sheet material contiguous with the pattern-defining member comprises placing the sheet material contiguous with a pattern-defining member having an exposed surface in the form of a grid.
Claim 5
Dependent Claim
41 words
The method of claim 1 in which the step of placing the sheet material contiguous with the pattern-defining member comprises placing the sheet material contiguous with a pattern-defining member having an exposed surface in the form of a matrix of dots.
Claim 6
Dependent Claim
79 words
The method of claim 1 in which the step of subjecting the sheet material to a high level of energy includes subjecting the sheet material to a high level of energy energy selected from the group of forms of energy consisting of electrical discharge including corona discharge and electron bombardment, the application of high frequency electrical fields, X-rays, gamma-rays, ionizing radiation, laser irradiation, ultrasonic irradiation, flame treatment, frictional treatment, and chemical reactions, including the reactions of chlorination and oxidation.
Claim 7
Dependent Claim
62 words
The method according to claim 1 and further including the step of activating the sheet material by applying energy to the material of a form other than that employed in the step of subjecting the sheet material to a high level of energy, the step of activating being accomplished at one of the times before, during and after the step of subjecting.
Claim 8
Independent Claim
306 words
The method of imparting a predetermined area pattern of modified properties to sheet material while maintaining the integrity of the surfaces of the sheet material comprising the steps of: a. placing the sheet material contiguous with pattern-defining member having an exposed surface and having an area configuration extending adjacent the exposed surface of the member and including a multiplicity of variations in predetermined properties of the member corresponding to an image of the area pattern which is to be imparted to the sheet material, the placing of the sheet material including positioning a surface of the sheet material in a juxtaposed relationship, contiguous with the facing the exposed surface of the pattern-defining member and the area configuration thereof; and b. subjecting the sheet material to a high level of electrical energy directed at a surface of the sheet material which is opposite to and faces away from the surface of the sheet material contiguous with the pattern-defining member, the high level of electrical energy being focused by the area configuration on the sheet material and being sufficient to affect the properties of the sheet material in the area pattern corresponding to the image of the area configuration of the pattern-defining member while maintaining the integrity of the surface of the sheet material, the high level of electrical energy being insufficient to cause deformation or fusion of the sheet material subjected thereto, the high level of electrical energy further establishing a gradient with respect to at least the thickness of the sheet material in accordance with the variations of the pattern-defining member, whereby the properties of the sheet material, including properties of both the surface of the sheet material contiguous with and facing away from the pattern-defining member, are modified in an area pattern corresponding to an image of the area configuration of the pattern defining member.
Claim 9
Independent Claim
306 words
The method of imparting a predetermined area pattern of modified properties to sheet material while maintaining the integrity of the surfaces of the sheet material comprising the steps of: a. placing the sheet material contiguous with pattern-defining member having an exposed surface and having an area configuration extending adjacent the exposed surface of the member and including a multiplicity of variations in predetermined properties of the member corresponding to an image of the area pattern which is to be imparted to the sheet material, the placing of the sheet material including positioning a surface of the sheet material in a juxtaposed relationship, contiguous with the facing the exposed surface of the pattern-defining member and the area configuration thereof; and b. subjecting the sheet material to a high level of electrical energy directed at a surface of the sheet material which is opposite to and faces away from the surface of the sheet material contiguous with the pattern-defining member, the high level of electrical energy being focused by the area configuration on the sheet material and being sufficient to affect the properties of the sheet material in the area pattern corresponding to the image of the area configuration of the pattern-defining member while maintaining the integrity of the surface of the sheet material, the high level of electrical energy being insufficient to cause deformation or fusion of the sheet material subjected thereto, the high level of electrical energy further establishing a gradient with respect to at least the thickness of the sheet material in accordance with the variations of the pattern-defining member, whereby the properties of the sheet material, including properties of both the surface of the sheet material contiguous with and facing away from the pattern-defining member, are modified in an area pattern corresponding to an image of the area configuration of the pattern defining member.
Claim 10
Dependent Claim
88 words
The method of imparting a predetermined area pattern of modified properties to sheet material in accordance with claim 7 in which the step of placing the sheet material contiguous with the exposed surface of the pattern-defining member comprises placing the sheet material contiguous with the exposed surface of a pattern-defining member having an area configuration which corresponds to an image of the area pattern which is to be focused upon the sheet material and which includes a multiplicity of variations in the electrical properties of the pattern-defining member.
Claim 11
Dependent Claim
40 words
The method according to claim 7 in which the high level of electrical energy is directed from a source and further including the step of locating additional material comprised of a dielectric substance between the source and the sheet material.
Claim 12
Dependent Claim
56 words
The method according to claim 7 and further including the step of pre-activating the sheet material before the step of subjecting the sheet material to a high level of energy, the pre-activating including treating a surface of the sheet material with dynamic friction created by a tool in contact with the surface of the sheet material.
Claim 13
Independent Claim
402 words
The method of applying a surface coating having an area pattern to a predetermined area of a surface of a sheet material while maintaining the integrity of the surfaces of the sheet material, comprising the steps of: a. placing the sheet material contiguous with a pattern-defining member having an exposed surface and having an area configuration extending adjacent the exposed surface of the member and including a multiplicity of variations in predetermined properties of the member corresponding to an image of the area pattern of the surface coating which is to be applied to the sheet material, the placing of the sheet material including positioning a surface of the sheet material in a juxtaposed relationship, contiguous with and facing the exposed surface of the pattern-defining member and the area configuration thereof; and b. subjecting the sheet material to a high level of energy directed at a surface of the sheet material opposite to and facing away from the surface of the sheet material contiguous with the pattern-defining member, the high level of energy being selected from the group of energy forms consisting of electrical discharge including corona discharge and electron bombardment, high frequency electrical fields, X-rays, gamma-rays, ionizing radiation, laser irradiation, ultrasonic irradiation, flame treatment, frictional treatment and chemical reactions including the reactions of chlorination and oxidation, the high level of energy being focused by the area configuration on the sheet material in the area pattern corresponding to the focused image of the area configuration of the pattern-defining member while maintaining the integrity of the surface of the sheet material, the high level of energy being insufficient to cause deformation or fusion on the sheet material subjected thereto, whereby the properties of the sheet material, including properties of both the surface of the sheet material contiguous with and facing away from the pattern-defining member, are modified in an area pattern corresponding to an image of the area configuration of the pattern-defining member and c. coating the surface of the sheet material which is juxtaposed with, contiguous with and facing the pattern-defining member with adhesive material subsequent to the steps of placing the sheet material contiguous a pattern-defining member and subjecting the sheet material contiguous with the pattern-defining member to a high level of energy, whereby the fluid material adheres to the surface of the sheet material in an area pattern corresponding to an image of the area configuration of the pattern-defining member.
Claim 14
Independent Claim
402 words
The method of applying a surface coating having an area pattern to a predetermined area of a surface of a sheet material while maintaining the integrity of the surfaces of the sheet material, comprising the steps of: a. placing the sheet material contiguous with a pattern-defining member having an exposed surface and having an area configuration extending adjacent the exposed surface of the member and including a multiplicity of variations in predetermined properties of the member corresponding to an image of the area pattern of the surface coating which is to be applied to the sheet material, the placing of the sheet material including positioning a surface of the sheet material in a juxtaposed relationship, contiguous with and facing the exposed surface of the pattern-defining member and the area configuration thereof; and b. subjecting the sheet material to a high level of energy directed at a surface of the sheet material opposite to and facing away from the surface of the sheet material contiguous with the pattern-defining member, the high level of energy being selected from the group of energy forms consisting of electrical discharge including corona discharge and electron bombardment, high frequency electrical fields, X-rays, gamma-rays, ionizing radiation, laser irradiation, ultrasonic irradiation, flame treatment, frictional treatment and chemical reactions including the reactions of chlorination and oxidation, the high level of energy being focused by the area configuration on the sheet material in the area pattern corresponding to the focused image of the area configuration of the pattern-defining member while maintaining the integrity of the surface of the sheet material, the high level of energy being insufficient to cause deformation or fusion on the sheet material subjected thereto, whereby the properties of the sheet material, including properties of both the surface of the sheet material contiguous with and facing away from the pattern-defining member, are modified in an area pattern corresponding to an image of the area configuration of the pattern-defining member and c. coating the surface of the sheet material which is juxtaposed with, contiguous with and facing the pattern-defining member with adhesive material subsequent to the steps of placing the sheet material contiguous a pattern-defining member and subjecting the sheet material contiguous with the pattern-defining member to a high level of energy, whereby the fluid material adheres to the surface of the sheet material in an area pattern corresponding to an image of the area configuration of the pattern-defining member.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-16 | 1980-11-15 | 1981-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-16 | 1984-11-15 | 1985-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-16 | 1988-11-15 | 1989-05-17 | $7700.00 | Window Closed / Lapsed |