# US 2014/0154411 A1 · Polymer modified bitumen cap sheets and methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0154411 A1 - Document ID: US20140154411A1 - Status: Published application - Kind: A1 - Application number: 13/692,093 - Filed: 2012-12-03 - Published: 2014-06-05 - Earliest claimed: 2012-12-03 - Assignees: Johns Manville - Applicants: Johns Manville - Inventors: Daniel R. Blasini; Joel Hazy - Web page: https://patentgrep.com/patent/US20140154411A1 ## CPC - B05C 19/04: the particulate material being projected, poured or allowed to flow onto the surface of the work (B05C19/02 takes precedence; involving spraying or electrostatic projection B05B ){(B05C19/005 takes precedence)} - C08J 7/043: Improving the adhesiveness of the coatings per se, e.g. forming primers (adhesives in the form of films or foils characterised by the primer layers between the polymer carriers and the adhesives C09J7/50) - E04D 5/12: specially modified, e.g. perforated, with granulated surface, with attached pads - G01B 21/22: for measuring angles or tapers; for testing the alignment of axes - B05C 11/025: {with an essentially cylindrical body, e.g. roll or rod} - E04D 2001/005: {the roofing elements having a granulated surface} - E04F 15/02: Flooring or floor layers composed of a number of similar elements (of webs E04F15/16) - B05C: APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (spraying apparatus, atomising apparatus, nozzles B05B; plant for applying liquids or other fluent materials to objects by electrostatic spraying B05B5/08) - C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29) - E04D: ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS (coverings of outer walls by plaster or other porous material E04F13/00) - G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS - E04F: FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B) ## Abstract According to one embodiment, a method for pressing roofing granules into a roofing membrane may include providing a roofing membrane and applying roofing granules atop a surface of the membrane. The method may also include adjusting a position of a second roller relative to a first roller so as to vary an amount of contact between the membrane and the first roller and pressing the roofing granules into the membrane via the first roller. In some embodiments, a line speed of the membrane may be determined and a contact value may be calculated based on the line speed of the membrane. The contact value may represent an effective amount of contact between the membrane and the first roller. The position of the second roller may be adjusted so that the amount of contact between the membrane and the first roller corresponds to the effective amount of contact. ## Claims ### Claim 1 A method for pressing roofing granules into a thermoplastic-rubber roofing membrane comprising: providing a thermoplastic rubber material; heating the thermoplastic rubber material; extruding the thermoplastic rubber material to form a membrane having a first surface and a second surface opposite the first surface; applying roofing granules atop the first surface; calculating a contact angle that represents an amount of contact between the thermoplastic rubber membrane and a press roller, the contact angle being calculated based on a line speed of the thermoplastic rubber membrane through a granule pressing system; adjusting the contact between the thermoplastic rubber membrane and the press roller so as to correspond to the calculated amount of contact; and pressing the roofing granules into the first surface of the thermoplastic rubber membrane via the press roller. ### Claim 2 (depends on 1) The method of claim 1, wherein the contact angle is further calculated based on an angular frequency of the press roller. ### Claim 3 (depends on 2) The method of claim 2, wherein the angular frequency is determined based on a temperature of the thermoplastic rubber sheet. ### Claim 4 (depends on 2) The method of claim 2, wherein the angular frequency is 10.00 rad/sec or less. ### Claim 5 (depends on 4) The method of claim 4, wherein the angular frequency is 1.00 rad/sec or less. ### Claim 6 (depends on 1) The method of claim 1, wherein adjusting the contact between the thermoplastic rubber membrane and the press roller comprises adjusting a position of a second roller relative to the press roller. ### Claim 7 (depends on 1) The method of claim 1, wherein the contact angle is further calculated based on a radius of the press roller. ### Claim 8 (depends on 7) The method of claim 7, wherein the radius of the press roller is between about 0.25 and about 0.75 meters. ### Claim 9 A method for pressing roofing granules into a roofing membrane comprising: providing a roofing membrane; applying roofing granules atop a surface of the roofing membrane; adjusting a position of a second roller relative to a first roller so as to vary an amount of contact between the roofing membrane and the first roller; and pressing the roofing granules into the roofing membrane via the first roller. ### Claim 10 (depends on 9) The method of claim 9, further comprising: determining a line speed of the roofing membrane through a granule press system; calculating a contact value based on the line speed of the roofing membrane, the contact value representing an amount of contact between the roofing membrane and the first roller; and adjusting the position of the second roller so that the amount of contact between the roofing membrane and the first roller corresponds to the calculated amount of contact. ### Claim 11 (depends on 10) The method of claim 10, further comprising: determining an angular frequency of the first roller; and calculating the contact value based additionally on the angular frequency of the first roller. ### Claim at position 12 -22. (canceled)