Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
332 words
An oil coater for mats which comprises a mat-supporting moving surface, a coating roller disposed above said mat-supporting moving surface and having on the periphery thereof a foam layer capable of being impregnated with an oiling composition, a press roller having a diameter smaller than the diameter of said coating roller and having on the periphery thereof a foam layer capable of being impregnated with an oiling composition, a first bearing mechanism which supports said press roller at a position upstream of said coating roller so that the top face of said press roller is substantially on the same horizontal plane with the top face of said coating roller and the degree of pressed contact between said coating roller and said press roller can be adjusted, a mat-feeding roller disposed below said mat-supporting moving surface, a second bearing mechanism which supports said feeding roller so that the axis of said feeding roller is substantially on the same vertical plane with the axis of said coating roller and the gap between said feeding roller and said coating roller can be adjusted, a pair of confronting dam plates arranged to form an oil reservoir on the surfaces of said coating roller and said press roller through seal portions above the contact position of said two rollers, an oil feed mechanism for supplying an oiling composition to said oil reservoir, a mechanism for controlling the level of the oiling composition in said oil reservoir and a driving mechanism for driving said coating roller and said feeding roller, wherein the amount of the oiling composition coated on the mat can be controlled by adjusting the degree of pressed contact between said coating roller and said press roller and the gap between said coating roller and said feeding roller wherein both of said foam layers and said sealed portions are composed of open-cell structure foams of an oil-resistant elastomer whereby liquid tightness is attained between said foam layers and said seal portions without abrasion of these materials.
Claim 2
Dependent Claim
332 words
An oil coater for mats which comprises a mat-supporting moving surface, a coating roller disposed above said mat-supporting moving surface and having on the periphery thereof a foam layer capable of being impregnated with an oiling composition, a press roller having a diameter smaller than the diameter of said coating roller and having on the periphery thereof a foam layer capable of being impregnated with an oiling composition, a first bearing mechanism which supports said press roller at a position upstream of said coating roller so that the top face of said press roller is substantially on the same horizontal plane with the top face of said coating roller and the degree of pressed contact between said coating roller and said press roller can be adjusted, a mat-feeding roller disposed below said mat-supporting moving surface, a second bearing mechanism which supports said feeding roller so that the axis of said feeding roller is substantially on the same vertical plane with the axis of said coating roller and the gap between said feeding roller and said coating roller can be adjusted, a pair of confronting dam plates arranged to form an oil reservoir on the surfaces of said coating roller and said press roller through seal portions above the contact position of said two rollers, an oil feed mechanism for supplying an oiling composition to said oil reservoir, a mechanism for controlling the level of the oiling composition in said oil reservoir and a driving mechanism for driving said coating roller and said feeding roller, wherein the amount of the oiling composition coated on the mat can be controlled by adjusting the degree of pressed contact between said coating roller and said press roller and the gap between said coating roller and said feeding roller wherein both of said foam layers and said sealed portions are composed of open-cell structure foams of an oil-resistant elastomer whereby liquid tightness is attained between said foam layers and said seal portions without abrasion of these materials.
Claim 3
Dependent Claim
69 words
An oil coater as set forth in claim 1 wherein each of said first and second bearing mechanisms comprises a take-up unit including a bearing portion, a groove extending in the direction of the coating roller and an indicator, a frame having a guide rail fitted in said groove and extending in the direction of the coating roller, and a screw shaft for adjusting the position of said unit.
Claim 4
Dependent Claim
72 words
An oil coater as set forth in claim 1 wherein each of said dam plates comprises a body having a seal portion forming a liquid-tight seal between said coating roller and said press roller, a bracket for fixing said body to a machine frame, an overflow plate slidably disposed in said body and having an opening, and a position-adjusting screw for adjusting the degree of pressing of said body to said rollers.
Claim 5
Dependent Claim
25 words
An oil coater as set forth in claim 1 wherein said oil-resistant elastomer is selected from the group consisting of polyurethane, nitrile-butadiene rubber and polychloroprene.
Claim 6
Dependent Claim
20 words
An oil coater as set forth in claim 4 wherein said foams have a foaming ratio of 2 to 10.